LS50 Wireless II FAQ and Troubleshooting User Manual Using KEF Connect App Wi-Fi Streaming Setting Up Table of Contents
Table of Contents 1. Introduction ...............................................................................................................................5 2. General Information.................................................................................................................6 2.1 2.2 Reading and Storing the User Manual .............................................................................................................6 Signal Symbol/Word Definitions .........................
8. Voice Control Over Mobile Device .................................................................................. 36 8.1 8.2 Siri........................................................................................................................................................................................36 Google Assistant ........................................................................................................................................................36 9.
14.4.4 Renaming a Sound Profile ...........................................................................................................................66 14.4.5 Deleting a Sound Profile ..............................................................................................................................67 14.5 Profile ................................................................................................................................................................................
Thank you for choosing KEF wireless speaker system – LS50 Wireless II. Innovation is what sets KEF apart from its competitors. For over 50 years KEF has been at the forefront of loudspeaker research and development, designing class-leading speakers that have dealt with the challenges of reproducing the latest musical formats, and reproducing them to the highest possible quality. This legacy continues today with the LS50 Wireless II, our compact, yet powerful speaker system for the digital music era.
General Information 2.1 Reading and Storing the User Manual This user manual accompanies the LS50 Wireless II speaker system (hereafter referred to as the “speakers”), and contains important information on setup and handling. Table of Contents 2. Retain the user manual and safety information for further use. Make sure to include the user manual and safety information when passing the speakers on to third parties. 2.
In the Box and Unpacking NOTICE! Risk of damage! Using a sharp knife or other pointed object to open the packaging may damage the speakers. Table of Contents 3. Setting Up • Be very careful when opening the packaging. Follow the instructions on the packaging to lift up the speakers from the sides to avoid damaging the Uni-Q drivers (speaker cones). ×1 ×1 ×2 ×3 Wi-Fi Streaming ×1 set 2. Remove the red protective stickers and tabs on the speakers. 3.
Setting Up LS50 Wireless II 4.1 Selecting an Appropriate Router The speakers must be “onboarded” to your personal Wi-Fi network (see chapter “Onboarding”) for the best sound quality, comprehensive control and to enjoy music streaming, Table of Contents 4. Technical Requirements of your Router • A 5 GHz Wi-Fi network is recommended for stable streaming, especially for hi-resolution music.
Connecting to Power 1. Connect the power cables into the AC input connectors (A) on the back panels of the Primary and Secondary Speakers. Table of Contents 4.2 FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming After successful power connections, the Wi-Fi icon on the top panel of the Primary Speaker will blink white and amber. The speakers are now ready to be “onboarded” to your personal Wi-Fi network through the KEF Connect App (see chapter “Onboarding”). Setting Up 2.
4.3.1 Installing the KEF Connect App Install the KEF Connect App on your mobile device to get the speakers “onboarded” to your personal Wi-Fi network. 1. Search “KEF Connect” in the App Store or Google Play Store to download and install the KEF Connect App on your iOS* or Android** device. FAQ and Troubleshooting *Requires iOS 13 or above. **Requires Android 8 or above. ***The use of an Apple account is only available on iOS devices. Using KEF Connect App Wi-Fi Streaming 2.
Using iOS Devices 1. Make sure your mobile device is connected to the network you want to onboard your speaker to. 2. Launch and login to the KEF Connect App on your mobile device. 3. Select “LS50 Wireless II” under “Speakers nearby”. Table of Contents 4.3.2 The speakers with the warning sign ( ) are not set up yet. Select the speakers with this warning mark to get them “onboarded”. 4. Select your local Wi-Fi network. Press “Next” to begin the onboarding process.
1. Make sure your mobile device is connected to your local Wi-Fi network. 2. Launch and login to the KEF Connect App on your mobile device. 3. Allow the app to access your device’s location when requested. 4. Select “LS50 Wireless II” under “Speakers nearby”. The speakers with the warning sign ( The speakers with the check mark ( Table of Contents Using Android Devices with Google Play Service ) are not set up yet. ) are ready for use. 5. Tap “Open Google Home” to proceed.
• The Wi-Fi icon on the top panel of the Primary Speaker is solid white when the speakers are successfully connected. FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming • After successful connection, you may be prompted if there is a new firmware update available. Follow the instructions in the KEF Connect App to complete the update process. Setting Up 10. Go back to the KEF Connect App to start using the speakers. Table of Contents 9. When the process is completed, tap “Continue”.
Using Android Devices without Google Play Service 1. Make sure your mobile device is connected to your local Wi-Fi network. 2. Launch and login to the KEF Connect App on your mobile device. 3. Allow the app to access your device’s location when requested. 4. Tap “Choose a Wi-Fi network”. Table of Contents 4.3.4 5. Select your local Wi-Fi network and then tap “OK”. 7. If preferred, create a new name for the speakers and then tap “Next”. This name will be used for Wi-Fi and Bluetooth connections. 8.
Table of Contents FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming • After successful connection, you may be prompted if there is a new firmware update available. Follow the instructions in the KEF Connect App to complete the update process. Setting Up • The Wi-Fi icon on the top panel of the Primary Speaker is solid white when the speakers are successfully connected.
Speaker Placement and Connection • The speakers should be placed on a flat and level surface that is free from vibration. • The two speakers are distinguished between the Primary Speaker and the Secondary Speaker. By default, the Primary Speaker is the right channel* and should be placed on your right hand side as you face the speakers. For the best stereo experience, soundstage and stable connection, place the speakers within 8 meters apart. Table of Contents 4.
Connection and Control Interface 5.1 Front Panel Primary Speaker FAQ and Troubleshooting Using KEF Connect App IR receiver Wi-Fi Streaming Setting Up Secondary Speaker Table of Contents 5.
Back Panel Wi-Fi Streaming Setting Up Table of Contents 5.2 Plays audio input from a source (e.g. ARC/eARC port of television) through an HDMI cable. O Optical input jack Plays audio input from a source (e.g. Blu-ray player, cable box) through an optical cable. C Coaxial input jack Plays audio input from a source (e.g. audio player) through a coaxial cable. X Auxiliary input jack Plays audio input from a source (e.g. turntable with phono stage) through a 3.5 mm audio cable.
Connects a subwoofer to the speakers through an RCA cable. E Service port Connection port for service. N Network port Connects the speakers to a router with a LAN cable. A AC input connector Connects the speakers to the power source with the power cables. FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming S Subwoofer output jack Table of Contents T Primary/Secondary connection port Enables Bluetooth pairing. The speakers will be ready to pair with a new device.
• Rubber feet are found on the bottom panel of each speaker to prevent slipping on a hard surface. WARNING! FAQ and Troubleshooting Be aware of the potential hazards from tipping or knocking the speakers off the stands which may result in personal injury, or property damage. Using KEF Connect App Wi-Fi Streaming • Additionally, four threaded holes (M8 × 1.5) are also available for mounting on a stand (remove the rubber feet first before mounting).
Wi-Fi Streaming Setting Up Control buttons and mode indicators are found on the top panel of the Primary Speaker. Table of Contents Top Panel Mode indicator Wi-Fi Optical TV On/off Source Auxiliary Coaxial Mute Volume up Volume down Control button 21 Using KEF Connect App Bluetooth FAQ and Troubleshooting 5.
On/off button Mute button Volume up button Previous source button Table of Contents Remote Control Volume down button Play/pause button Previous button Setting Up Next source button • Insert two AAA batteries into the battery compartment before use. To do so, slide open the battery compartment cover on the back and insert the batteries into the compartment according to the polarity (+/–). Close the battery compartment cover when done.
KEF Connect App The KEF Connect App allows you to set up the speakers, apply sound settings, turn on/ off the speakers, switch sound sources, and access and play back your streaming music and music stored in media server. Table of Contents 5.
Wi-Fi Streaming 6.1 Wireless Streaming Protocols To stream audio to the speakers, your mobile device must be connected to the same Wi-Fi network as the speakers. The speakers can be turned on from standby mode through all wireless streaming protocols. 6.1.1 Table of Contents 6. AirPlay 2 Setting Up AirPlay 2 lets you share audio output from Apple devices to the speakers. 1. Start music or video playback on your iOS device.
Chromecast If your device is Chromecast-enabled, you can stream audio output from the device to the speakers. Table of Contents 6.1.2 1. Start music or video playback on your Chromecast-enabled device. 2. In the Google Home App, tap “KEF LS50 Wireless II” (or the name you have created for the speakers). Setting Up Cast my audio”. FAQ and Troubleshooting The availability for streaming depends on the app compatibility. Using KEF Connect App Wi-Fi Streaming 3.
ROON Ready (coming soon) Roon is a high quality music management system that pulls together music from a NAS drive, locally stored music (i.e. on your computer), compatible streaming services and Dropbox to create a searchable, surfable magazine about your music. The speakers are certified “Roon Ready”. For more information on Roon, visit roonlabs.com. Table of Contents 6.1.3 Note: KEF LS50 Wireless II will be Roon Ready soon. Using KEF Connect App 2.
Music Streaming Apps Native Protocols 6.1.4.1 Spotify Connect Table of Contents 6.1.4 Spotify is a digital music and podcast streaming service that gives you access to millions of songs and other content from artists all over the world. The speakers are ready for Spotify Connect. 2. Tap the device icon ( ) at the bottom of the playback screen. 3. Select “KEF LS50 Wireless II” (or the name you have created for the speakers) from the selection menu to start streaming. Setting Up 1.
QPlay QQ Music is one of China’s most popular online music streaming services. QPlay lets you stream music directly from the QQ Music App. The speakers are ready for the QPlay feature. Table of Contents 6.1.4.2 1. To stream music, launch the QQ Music App and enable QPlay in the settings. ) on the playback screen. FAQ and Troubleshooting Using KEF Connect App 4. Select “KEF LS50 Wireless II” (or the name you have created for the speakers) from the device list to start streaming. Wi-Fi Streaming 3.
TIDAL Connect TIDAL is a subscription-based music, podcast and video streaming service that combines lossless audio and high-definition music videos with exclusive content and special features on music. The speakers are ready for the TIDAL Connect feature for music streaming. Table of Contents 6.1.4.3 2. Select “KEF LS50 Wireless II” (or the name you have created for the speakers) from the list of nearby devices to pair with the Tidal Connect App to start streaming.
Amazon Music Amazon Music is a music streaming platform and online music store operated by Amazon. You can access your Amazon Music account through the KEF Connect App to stream music to the speakers. Deezer Deezer is an online music streaming service. It allows users to listen to music content from a wide range of record labels on various devices online or offline. You can access your Deezer account through the KEF Connect App to stream music to the speakers. 6.1.5.
TIDAL is a subscription-based music, podcast and video streaming service that combines lossless audio and high-definition music videos with exclusive content and special features on music. You can access your TIDAL account through the KEF Connect App to play hi-resolution audio. A valid Hi-Fi tier subscription is required. 6.1.5.6 Internet Radio The KEF Connect App offers access to thousands of Internet radio stations from all over the world, offering music, news and discussion. 6.1.5.
Wireless streaming protocol Spotify – Spotify Connect – TIDAL Connect TIDAL QQ Music – Apple Music – – Amazon Music – – Deezer – – Qobuz QPlay – – – Internet radio – – Audio podcast – – Youtube (audio) – – Bluetooth Wi-Fi Streaming App AirPlay 2 Chromecast ROON Music KEF Ready streaming Connect app native App protocol Setting Up Recommendations for the best wireless streaming options with regard to music/media apps on your mobile devices.
Multi-Room Streaming 7.1 AirPlay 2 Setting Up Apple Airplay 2 can extend the speakers to become part of a multi-room wireless music system which can be controlled with iOS devices. If you have more than one pair of AirPlay 2 speakers connected to the same network, select the pairs for playback of the same audio output at the same time. Table of Contents 7. You can control the volume of the speakers individually or together as a group. 7.
Table of Contents 4. Tap each device (including the sets of speakers) you want to add to the group. A check mark will appear next to each device you have selected. 5. Tap “Next” Wi-Fi Streaming Setting Up 6. Enter a name for your group. FAQ and Troubleshooting Using KEF Connect App 7. Tap “Save”.
ROON With Roon Ready certification, the speakers are compatible with Roon’s multi-room streaming functionality. Roon supports “Zone Grouping”, or synchronizing audio playback in several zones within your house. Note that “Zones” can only be grouped with other zones of the same type (e.g. RAAT, AirPlay etc.). Table of Contents 7.3 1. To group zones, select the zone you are controlling in desktop and tablet interface, by clicking the “Zone Picker” in the footer, next to volume. 2. Tap “Group Zones”.
Voice Control Over Mobile Device 8.1 Siri You can use Siri to control playback (e.g. skipping tracks, controlling the volume level) while your iOS mobile device is streaming music to the speakers. Table of Contents 8. 8.2 Setting Up Hey Siri. Play some music on the LS50 Wireless II. Google Assistant Wi-Fi Streaming You can use Google Assistant to control playback (e.g. skipping tracks, controlling the volume level) while your Android mobile device is streaming music to the speakers.
Playback with Bluetooth You can pair your Bluetooth devices (e.g. computers) with the speakers through Bluetooth connection. The speakers must always be first connected to your local network before Bluetooth connection. 9.1 Selecting Bluetooth Mode Table of Contents 9. Setting Up • In the KEF Connect App, tap the Bluetooth button ( ) to switch to Bluetooth mode. • Alternatively, press the source button on the top panel of the Primary Speaker; Bluetooth Pairing 1.
Table of Contents Alternatively, press the Bluetooth pairing icon located at the upper right corner of the remote control in the KEF Connect App to disconnect the paired device. When Bluetooth pairing is done, the Bluetooth icon will stay lit. The speakers remember your last paired Bluetooth device. Once Bluetooth mode is selected, the speakers will automatically connect with your last paired device if it is around. In the KEF Connect App, use the control elements below for playback controls.
The speakers are compatible with HDMI eARC (enhanced Audio Return Channel) output from your TV for integrated control through a single HDMI cable. The speakers must always be first connected to your local network before HDMI connection. The speakers are also backward compatible with ARC and HDMI CEC. HDMI CEC allows the use of the television remote control to adjust the volume of the speakers.
Selecting TV Mode • In the KEF Connect App, tap the TV Mode button (TV) to switch to TV Mode. Table of Contents 10.2 • The TV icon is lit when HDMI connection is established. You can assign TV mode as a second wake-up source to turn on the speakers automatically when there is audio input through the HDMI connection. See chapter “Power Saver – Second Wake-Up Source”. 10.3 Playback Controls All playback controls (except adjusting volume) must be done on the connected device.
Playback with Optical Input You can connect your devices with optical output (e.g. TV and game consoles) to the speakers through an optical cable. The speakers must always be first connected to your local network before optical connection. 11.1 Optical Cable Connection Table of Contents 11. Wi-Fi Streaming Setting Up Connect the optical output jack of your device and the optical input jack (O) on the back panel of the Primary Speaker via an optical cable.
• Alternatively, press the source button on the top panel of the Primary Speaker; • Or, press the source button on the remote control. • The OPT icon is lit when Optical mode is selected. You can assign Optical mode as a second wake-up source to turn on the speakers automatically when there is audio input through the optical connection. See chapter “Power Saver – Second Wake-Up Source”. 11.
Playback with Coaxial Input You can connect your devices with coaxial output (e.g. DVD/CD player) to the speakers through a coaxial cable. The speakers must always be first connected to your local network before coaxial connection. 12.1 Coaxial Cable Connection Table of Contents 12. FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming Setting Up Connect the coaxial output jack of your device and the coaxial input jack (C) on the back panel of the Primary Speaker via a coaxial cable.
Selecting Coaxial Mode • In the KEF Connect App, tap the Coaxial button (CX) to switch to Coaxial mode. Table of Contents 12.2 • The CX icon is lit when Coaxial mode is selected. You can assign Coaxial mode as a second wake-up source to turn on the speakers automatically when there is audio input through the coaxial connection. See chapter “Power Saver – Second Wake-Up Source. 12.3 Playback Controls All playback controls (except adjusting volume) must be done on the connected device.
Playback with Auxiliary Input You can connect your devices with 3.5 mm audio output (e.g. turntables, computers, portable music players) to the speakers through an audio cable. The speakers must always be first connected to your local network before auxiliary connection. 13.1 Auxiliary Cable Connection Table of Contents 13.
• Alternatively, press the source button on the top panel of the Primary Speaker; • Or, press the source button on the remote control. • The AUX icon is lit when Auxiliary mode is selected. You can assign Auxiliary mode as a second wake-up source to turn on the speakers automatically when there is audio input through the auxiliary connection. See chapter “Power Saver – Second Wake-Up Source”. 13.
Using KEF Connect App The KEF Connect App allows you to set up the speakers, apply EQ settings, turn on/ off the speakers, switch sound sources and access and play back your music streaming services. Home 14.1.1 Overview Setting Up 14.1 Table of Contents 14.
Editing the Home Screen (coming soon) You may edit the Home screen to show or hide tiles (e.g. Music in the Cloud) or buttons that are of frequent or less frequent use. 1. Tap the edit icon ( ) at the top right of the app. Setting Up 2. Tap the “+” or “–” symbols to show or hide a tile. Table of Contents 14.1.2 3. Tap the edit icon ( ) at the top right of a tile.
Music Content FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming Setting Up The KEF Connect App allows you to access and play back music from your music streaming services as well as Internet radio stations and podcasts. Table of Contents 14.
Playing Music from Music Streaming Services Table of Contents 14.3.1 14.3.1.1 Amazon Music 2. Login to your Amazon Music account. FAQ and Troubleshooting Using KEF Connect App 3. Browse and play music to start streaming. Wi-Fi Streaming Setting Up 1. To stream music, tap “Amazon Music” under “Music in the Cloud” in the KEF Connect App.
1. To stream music, tap “Deezer” under “Music in the Cloud” in the KEF Connect App. Table of Contents 14.3.1.2 Deezer FAQ and Troubleshooting Using KEF Connect App 3. Browse and play music to start streaming. Wi-Fi Streaming Setting Up 2. Login to your Deezer account.
1. To stream music, tap “Qobuz” under “Music in the Cloud” in the KEF Connect App. Table of Contents 14.3.1.3 Qobuz FAQ and Troubleshooting Using KEF Connect App 3. Browse and play music to start streaming. Wi-Fi Streaming Setting Up 2. Login to your Qobuz account.
Through the KEF Connect App, you can be prompted to the Spotify App on your device to stream music to the speakers. See chapter “Spotify Connect”. Table of Contents 14.3.1.4 Spotify 1. To stream music, tap “TIDAL” under “Music in the Cloud” in the KEF Connect App. Setting Up 14.3.1.5 TIDAL FAQ and Troubleshooting 3. Browse and play music to start streaming. Using KEF Connect App Wi-Fi Streaming 2. Login to your TIDAL account.
1. To access Internet radio, tap “Radio stations” under “Live Stream” in the KEF Connect App. 14.3.1.7 Podcast 1. To access podcast contents, tap “Podcasts” under “Live Stream” in the KEF Connect App. Wi-Fi Streaming Setting Up 2. Browse and play a radio station to start streaming. Table of Contents 14.3.1.6 Internet Radio FAQ and Troubleshooting Using KEF Connect App 2. Browse and play a podcast to start streaming.
Playback Controls The below features are available to control playback or behaviour. Please note that these features may not be available to all music sources and there may be slight differences in the control interface. 14.3.2.1 Playback Screen Hide playback screen Table of Contents 14.3.2 Setting Up Queue Previous/next Repeat Play/pause Shuffle Volume control 14.3.2.
) to select or deselect an item Alternatively, tap the option icon (…) next to an item (e.g. track, album, playlist), or press and hold on an item and then select “Add to Favorites” or “Remove from Favourites”. • Accessing your favourites FAQ and Troubleshooting Using KEF Connect App To show the favourites in your current music source, tap “Favourites” in the main menu. Setting Up In the playback screen, tap the favourite icon ( (music, podcast, radio station) as favourites.
Adding a track to the queue means the track will be played after the current playing track. The queue is not permanent and cannot be saved. • Adding a Track to the Queue 2. Select “Add to Queue”. Depending on your selections, you can also add all tracks from an artist, all tracks from an album, or all tracks from a playlist to the queue. • Showing the Current Queue ) at the top right.
) at the top right. ) to remove it FAQ and Troubleshooting Using KEF Connect App 3. Select the track in the queue and then tap the trash bin icon ( from the queue. You may also select multiple tracks for removal. Wi-Fi Streaming 2. To remove a track from the queue, tap the edit icon ( Setting Up 1. To edit the playback sequence, press and hold the three bars ( ) on the right hand side of a track and then drag the track up or down the queue.
A playlist is a list of tracks that can be played back in the preferred sequential order. Playlists can be saved for future listening. • Accessing the Playlists In the current music source, tap “Playlists” in the main menu. Table of Contents 14.3.2.5 Playlists 1. In the current music source, tap “Playlists” in the main menu. 2. Tap “Create new playlist”. Setting Up • Creating a Playlist Wi-Fi Streaming 3. Create a name for the playlist and then tap “Create”. • Adding Tracks to a Playlist 2.
1. In the playback screen of the track to be removed, tap the option icon (…). Table of Contents • Editing a Playlist Setting Up 2. Tap “Remove from playlist”. • Deleting a Playlist Wi-Fi Streaming 1. In the playlist, tap the option icon ( ) at the top right corner. FAQ and Troubleshooting Using KEF Connect App 2. Tap “Delete playlist”.
Equalisations For the best audio performance, apply sound settings according to your listening area. 14.4.1 Normal Mode (coming soon) 1. In the KEF Connect App, tap the EQ settings icon ( screen. ) at the bottom of the Home Table of Contents 14.4 Setting Up 2. Tap “Add new profile” Wi-Fi Streaming 3. Select “Normal mode”. FAQ and Troubleshooting 5. Configure the settings according to your listening area. Using KEF Connect App 4. Create a name for your new profile and then tap “Save”.
• Distance from the front edge of the table (on a desk only) (> 50 cm to 0 cm) Table of Contents • Installation location: On a stand or on a desk Damped: Large furniture, thick carpet and heavy curtains FAQ and Troubleshooting Moderate: Medium furniture, thinner carpet or rug, some curtains and features on walls Using KEF Connect App • How is your room? (Damped / Moderate / Lively) Wi-Fi Streaming Setting Up • Distance to the wall (< 10 cm to > 50 cm) 62
Table of Contents Lively: Hard floor, less furniture, large windows and no curtains • How large is the room? (< 20 m2 / 20–40 m2 / > 40 m2) If a subwoofer is plugged in, set up the subwoofer volume and speaker/subwoofer balance. Setting Up • Subwoofer is plugged in (On/Off). 6. Tap “Save” when the settings are done. Expert Mode ) at the bottom of the Home Using KEF Connect App 2. Tap “Add new profile”. (coming soon) Wi-Fi Streaming 1. In the KEF Connect App, tap the EQ settings icon ( screen.
The settings include: • Desk Mode (On/Off, -10.0 dB to 0.0 dB) • Wall Mode (On/Off, -10.0 dB to 0.0 dB) • Treble Trim (-4.0 dB to 4.0 dB) Using KEF Connect App Wi-Fi Streaming Setting Up Table of Contents 5. The Expert Mode lets you configure the EQ preferences in greater precision.
How is your room? (Expert Mode: Treble Trim): This adjusts the frequencies above 500 Hz. A damped room (lots of curtains, soft furnishings) can make sound seem muted, while a lively room (high ceiling, flat surfaces, glass) can make it sound harsh. Move towards damped to reduce the muting effect, or move towards lively to tame harshness. How large is your room (Expert Mode: Bass Extension): This setting adjusts the bass extension of the speakers. The larger the room selected, the lower the roll-off point.
Selecting a Sound Profile (coming soon) 1. In the KEF Connect App, tap the EQ settings icon ( screen. ) at the bottom of the Home Setting Up 2. Tap “Default” and then select a sound profile to apply to the speakers. The profiles with a star icon are created in Expert mode. Table of Contents 14.4.3 14.4.4 Renaming a Sound Profile 2. Tap “Rename profile”. FAQ and Troubleshooting 3. Create a new name for your profile and then tap “Save”. Using KEF Connect App Wi-Fi Streaming 1.
Deleting a Sound Profile 1. In the selected EQ profile, tap the option icon ( ) at the top right. Table of Contents 14.4.5 FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming Setting Up 2. Tap “Delete profile”.
Profile This menu allows you to edit your personal details (account name and profile picture) of your registered user account. 1. In the KEF Connect App, tap the Setting icon ( screen. ) at the bottom of the Home Setting Up 2. Tap “View profile”. Table of Contents 14.5 Using KEF Connect App Wi-Fi Streaming ) at the top right and start editing. FAQ and Troubleshooting 3.
Choosing Your Speaker 14.6.1 My Speaker and Speakers Nearby This menu allows the KEF Connect App to switch to another pair of speakers for control and streaming. All speakers must first be set up through the same KEF Connect App before they are available for selection. 1. In the KEF Connect App, tap the Setting icon ( screen. Table of Contents 14.6 ) at the bottom of the Home Setting Up 2. Tap the name of the connected speakers.
Speaker Info This menu allows you to find out more information about the connected speakers, rename the speakers and disconnect the speakers from the KEF Connect App. 1. In the KEF Connect App, tap the Setting icon ( screen. ) at the bottom of the Home Setting Up 2. Tap the name of the connected speakers. Table of Contents 14.6.2 ) next to the name of the speakers. FAQ and Troubleshooting Using KEF Connect App 4. Check the MAC address, IP address and firmware version of the speakers.
) at the bottom of the Home 2. Tap “Speaker preferences”. 14.7.1 Power Saver – Standby Mode This setting determines how long (ECO (20), 30 or 60 mins) the speakers will remain idle before automatically entering Standby Mode. If “never” is selected, the speakers must be manually turned off. 14.7.2 Power Saver – Second Wake-Up Source This setting enables a second source to automatically turn on the speakers when there is audio input from the selected source.
This setting enables the buttons on the top panel of the Primary Speaker to be disabled (child lock). The LED indicators will still be on. The control of the speakers can still be performed in the KEF Connect App and on the remote control. 14.7.5 Table of Contents Do Not Disturb – Top Panel Lock Speaker System Options – Cable Mode You can connect the Primary Speaker and Secondary Speaker with the provided inter-speaker cable through the “To L/R” connection ports on the back panels of the speakers.
This menu allows you to configure volume settings. To access this menu: 1. In the KEF Connect App, tap the Setting icon ( screen. ) at the bottom of the Home 2. Tap “Volume”. 14.8.1 Table of Contents Volume Volume Display Setting This setting allows you to configure how the volume control should be displayed. Setting Up 14.8 Tap the speaker icon on the left to mute or restore audio output from the speakers. • –/+: The volume control will be displayed as “–” and “+” buttons for adjustment.
This setting is only available on iOS devices. The hardware volume buttons refer to the physical volume buttons on your device. Disable this setting when you are experiencing conflicts with other music streaming apps over Wi-Fi connection. This setting allows you to configure the number of volume steps for each single press of the physical volume buttons of your device. 14.8.4 Maximum Volume This setting allows you to configure the maximum level when adjusting the volume.
14.9.1 Automatic Firmware Update after Onboarding After you have successfully set up the speakers with the KEF Connect App, you may be required to update the firmware if a new version is available. Follow the instructions in the KEF Connect App to complete the update process. 14.9.2 Automatic Firmware Check Table of Contents Firmware Upgrade Setting Up 14.9 The speakers check the server every 4 hours if a new firmware update is available.
Manual Firmware Update This menu allows you to manually check for firmware updates. To access this menu: 1. In the KEF Connect App, tap the Setting icon ( screen. ) at the bottom of the Home Table of Contents 14.9.3 FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming 3. If an update is available, tap “Update now” to proceed with the firmware update. Setting Up 2. Tap “Speaker update”.
This menu allows you to customise the streaming audio quality, theme and send analytics. To access this menu: 1. In the KEF Connect App, tap the Setting icon ( screen. ) at the bottom of the Home Table of Contents 14.10 Application 14.10.1 Streaming Settings – Audio Quality This setting allows you to select the audio quality for music streaming. Setting Up 2. Tap “Application”. • High (CD quality): Select this setting when the speakers are in a crowded network and experiencing quality drop-outs.
FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming Setting Up This setting allows the KEF Connect app to anonymously send improvement analytics to KEF. We recommend this setting is enabled to help KEF to improve product performance Table of Contents 14.10.
This menu allows you to report issues, give suggestions and make general enquiries. To access this menu: 1. In the KEF Connect App, tap the Setting icon ( screen. ) at the bottom of the Home Table of Contents 14.11 Support FAQ and Troubleshooting Using KEF Connect App 4. When reporting an issue, your email program will automatically attach the speaker logs that helps KEF investigate the issue. Please add a description of the problem in the email message as well. Wi-Fi Streaming 3.
Cleaning and Maintenance WARNING! Risk of electric shock! Improper cleaning of the speakers may result in injury. • Always unplug the power cables from the power sockets/outlets before cleaning the speakers. Table of Contents 15. Risk of short circuit! Water and other liquids that have penetrated the housing may cause a short circuit. • Make sure that no water or other liquids penetrate the housing of the speakers. Setting Up NOTICE! • Never immerse the speakers in water or other liquids.
Disposal 16.1 Disposing of the Packaging Sort the packaging before you dispose of it. Dispose of paperboard, cardboard and wrappings in accordance with your local guidelines. 16.2 Table of Contents 16. Disposing of the Speakers LS50 Wireless II is an electronic product and may not be able to be disposed of as household waste. Please dispose of your speaker in accordance with the regulations in force in your city or county.
FAQ and Troubleshooting 17.1 Set-up 1. How do I set up LS50 Wireless II? • First of all, a home Wi-Fi network is required. This is to ensure you can enjoy the full range of features and keep the system up to date. Table of Contents 17. • IEEE 802.11a/b/g/n/ac, IPv4, IPv6, Dual-band 2.4 GHz / 5 GHz • For better streaming stability, especially on hi-resolution music files, a 5 GHz Wi-Fi network with a router transmission speed of at least 1300 Mbps is recommended.
• By default, the Primary Speaker is the right channel and the Secondary speaker is the left channel. After connecting the speakers to your home Wi-Fi network, you can inverse the L/R channels in the KEF Connect App. 7. Do I need to pair the two speakers? • No, the two speakers are already paired at the factory. If you do not hear any sound from the Secondary Speaker, see chapter “Troubleshooting”. Table of Contents 6.
1. Which is the best wireless streaming option for different apps? • Recommendations for the best wireless streaming options with regard to music/ media apps on your mobile devices.
• In the KEF Connect App: 1) In Settings, go to “Volume”, change “Volume Display” to “-/+” 2) Select the relevant source input. Table of Contents 4. How should I set the speakers if I prefer to adjust the volume on an external equipment (preamplifier, streamers/multi-room systems) rather than through the KEF Connect App? FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming Setting Up 3) Change the volume to 71. The source selection is now set to “Unity gain”.
Troubleshooting 1. What should I do to set up LS50 Wireless II to another network? • A factory reset is necessary. This will clear the previous network settings and all EQ and system preferences. For this purpose, press and hold the Reset button (R) on the back panel until the LED light above the button blinks. 2. What should I do if I cannot find my LS50 Wireless II in the network during set-up? Table of Contents 17.3 • Wait for about 30–40 seconds for the speakers to be visible on the speaker list.
• If the speakers are connected wirelessly, try to move them closer to each other. • If the problem persists, connect the speakers with the inter-speaker cable and turn on Cable Mode in the KEF Connect App. 8. The audio is out of sync with the picture when using LS50 Wireless II with a TV. Table of Contents 7. There is dropout from the Secondary Speaker. • If available, try the video delay/lip sync function of your TV. • Make sure the source is switched to TV for the speakers.
• We are constantly updating and expanding our database for radio stations and podcasts. Please use the Support function in the KEF Connect App and send us the RSS link of the website. After verification, we will add it to our database. 12. I cannot adjust the speaker volume. • Check if you have set a maximum level for volume adjustment. Table of Contents 11. I cannot find a radio station or podcast in the KEF Connect App.
LED Indicators The connection and operation status can be checked through the colours and patterns of the LED indicators on the top panel of the Primary Speaker. LED indicator Status Table of Contents 17.4 The speakers are trying to connect to a Wi-Fi network. The speakers are connected to a Wi-Fi network. Setting Up Wi-Fi icon is blinking white and amber. The speakers are unable to connect to a Wi-Fi network. Wi-Fi icon is blinking amber slowly.
Firmware update is in progress. Do not unplug the power cables until the firmware Source button and Volume Down button update is completed. are blinking alternately. Firmware update failed. Do not press the Reset button (R) on the Primary Speaker. 1. Pull the power cables from both speakers. Source button and Volume Down button are blinking slowly. Setting Up Source button, Mute button and Volume Down button are blinking. Cable Mode is enabled but the connection between the speakers is not established.
There is a system error. 1. Pull the power cables from both speakers. TV icon, OPT icon and Mute button are blinking. 2. Wait approximately 30 minutes. Table of Contents Status 3. Plug the power cables back to both speakers to resume normal operation. If the problem persists, please contact your KEF dealer. FAQ and Troubleshooting Using KEF Connect App Wi-Fi Streaming Note: System error may occur with improper power connections. Do not use a socket/outlet extender with the speakers.
18.1 Specifications Model LS50 Wireless II Drive units Uni-Q Driver Array: LF: 130 mm (5.25 in.) aluminium cone HF: 25 mm (1 in.) vented aluminium dome with Metamaterial Absorption Technology# Frequency range (-6 dB) measured at 85 dB/1 m 40 Hz – 47 kHz (Depends on EQ settings) Frequency response (±3 dB) 45 Hz – 28 kHz measured at 85 dB/1 m (Depends on EQ settings) Amplifier output power (per speaker) Table of Contents Appendix Setting Up 18.
Weight (per set) 20.1 kg (44.31 lbs) Power input 100–240 VAC 50/60 Hz Power consumption 200 W (operating power) < 2.0 W (standby power) Primary Speaker Secondary Speaker Inputs HDMI eARC TOSLINK Optical Digital Coaxial Analog 3.5 mm Auxiliary USB Type A (service) RJ45 Ethernet (network) RJ45 Ethernet (interspeaker) USB Type A (service) RJ45 Ethernet (interspeaker) Output RCA Subwoofer output RCA Subwoofer output Wi-Fi network standard IEEE 802.
Deezer is a registered trademark of Access Industries. Google Play store and Chromecast are registered trademarks of Google LLC. Table of Contents Apple and AirPlay are registered trademarks of Apple Inc., registered in the U.S. and other countries. Qobuz is a registered trademark of Xandrie SA. ROON is a registered trademark of Roon Labs LLC or Roon Labs’s licensors. Spotify is a registered trademark of Spotify AB.
Explanation of symbols 18.2.1 Warning Symbols The lightning flash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the presence of uninsulated “dangerous voltage” within the products enclosure that may be of a sufficient magnitude to constitute a risk of electrical shock to persons. Table of Contents 18.2 Regional Symbols Europe and North America This marking indicates that this product should not be disposed with other household wastes throughout the EU.
The China Compulsory Certificate mark indicates that the product meets the safety requirements of the Chinese national standards (Guobiao). The product is only suitable for use in areas under 2,000 m above sea level (China). RoHS (China): This product contains certain hazardous substances and can be used safely during its environmental friendly use period (10 years). The product should enter into the recycling system after its environmental friendly use period.
NEC Factory Code: 0x01 Functions Function codes 1 Power on/off toggle 0x40 2 Mute/un-mute toggle 0x20 3 Play/Pause 0x18 4 Forward 0x52 5 Next source 0x58 6 Volume up 0x60 7 Volume down 0xA0 8 Backward 0xD2 9 Power ON 0x38 10 Power OFF 0x3A 11 Mute 0x48 12 Un-mute 0x4A 13 Source: Wi-Fi 0x30 14 Source: Bluetooth 0x2A 15 Bluetooth pairing 0x98 16 Source: AUX 0x02 17 Source: Optical 0x0A 18 Preset volume (30 %) 0x78 19 Source: HDMI 0x88 / 0x8A 20 So
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