ATH-WS990BT User Manual Wireless Headphones
Introduction Thank you for purchasing this Audio-Technica product. Before using the product, please read through the Quick Start Guide and Caution Guide, as well as this user manual when necessary, to ensure that you will use the product correctly. Safety precautions Although this product was designed to be used safely, failing to use it correctly may result in an accident. To ensure safety, observe all warnings and cautions while using the product.
Safety precautions Cautions for rechargeable battery The product is equipped with a rechargeable battery (lithium polymer battery). • If battery fluid gets into eyes, do not rub them. Rinse thoroughly with clean water such as tap water and consult a doctor immediately.
Notes on use • Be sure to read the connected device’s user manual before use. • Audio-Technica will not be liable in any way for any loss of data in the unlikely event that such losses should occur while using the product. • On public transportation or in other public places, keep the volume low so as not to disturb other people. • Minimize the volume on your device before connecting the product. • When using the product in a dry environment, you may feel a tingling sensation in your ears.
For a more comfortable Bluetooth® communication experience The effective communication range of this product varies depending on obstructions and radio wave conditions. For a more enjoyable experience, please use the product as close as possible to the Bluetooth device. To minimize noise and sound disruptions, avoid placing your body or other obstacles between the product’s antenna (L side) and the Bluetooth device.
Part names and functions Headband L/R (left/right) indicator Arm Slider Joint Earpad Housing A built-in microphone (for talking) is integrated into the L (left) housing. And, built-in microphones (for hearthrough mode) are integrated into both the L (left) and R (right) housings. Power switch Multi-indicator lamp Touch sensor indicator lamp Turns the power on and off. Displays the operating status and battery level of the product.
Charging the battery • Fully charge the battery when using it for the first time. • When the rechargeable battery is running low, the product will sound 2 sets of 2 beeps through the headphones, and the multi-indicator lamp will flash in red. When these beeps sound, charge the battery. • It takes about 5 hours to charge the battery fully (this time may vary depending on usage conditions).
Connecting via Bluetooth wireless technology About pairing To connect the product to a Bluetooth device, the product needs to pair (register) with the device. Once they are paired, you do not need to pair them again. However, you need to pair again in the following cases: • If the product is deleted from the Bluetooth device’s connection history • If the product is sent out for repair • If 9 or more devices are paired (This product can save the pairing information of up to 8 devices.
Using the product The product can use Bluetooth wireless technology to connect to your device and play music, receive phone calls, etc. Use the product for whichever of these purposes suits your needs. Note that Audio-Technica cannot guarantee the operation of displays, such as the battery level display, or applications via Bluetooth devices.
Using the product Listening to audio • To connect for the first time, pair the product and your device via Bluetooth wireless technology. Once they are paired, turn on the Bluetooth device’s Bluetooth connection, and then turn on the product. • Use your Bluetooth device to start playback, referring to the device’s user manual as necessary. Jog switch Press Press and hold Plays or pauses music and videos.
Using the product Using the hear-through mode The product's hear-through mode is a mode that allows you to hear the sounds around you through the built-in microphone while you are wearing the product. • Depending on the volume of the music or audio that you are playing, it may be difficult to hear the sounds around you. If this happens, lower the volume of your music or audio.
Using the product Wired connection (playthrough function) The product is equipped with a playthrough function so you can use it as portable headphones to play music even if the battery runs out. Connect the connector plug of the included cable to the product's connector jack, and then connect the input plug to your portable player so you can use it.
Cleaning Get into the habit of regularly cleaning the product to ensure that it lasts for a long time. Do not use alcohol, paint thinners or other solvents for cleaning purposes. • To clean the product, wipe it with a dry cloth. • Wipe away perspiration or any other dirt from the cable with a dry cloth immediately after use. Failure to clean the cable may cause it to deteriorate and harden over time, resulting in malfunctions. • Wipe the plug with a dry cloth if it is dirty.
Troubleshooting Problem Solution Power is not supplied • Charge the product. Unable to pair • Confirm that the Bluetooth device communicates using Ver. 2.1+EDR or higher. • Place the product and the Bluetooth device within 1 m (3.3') of each other. • Set the profiles for the Bluetooth device. For procedures on how to set profiles, refer to the Bluetooth device’s user manual. • Remove the pairing information for the product and the Bluetooth device, and then pair the product with the device again.
Troubleshooting SBC priority connections (for when sound is delayed significantly) When the connection codec is AAC, significant sound delays can be alleviated by changing the connection codec to SBC, which comes standard with Bluetooth devices. *1 Connecting to an SBC priority connection When the pairing with a Bluetooth device has been completed 1. Turn on the product. 2. While music and videos are paused, slide the jog switch to the minus (-) side (for about 5 seconds).
Multi-indicator lamp display The indicator lamp of the product indicates the product's status as explained below. Status Pairing Multi-indicator lamp display pattern Flashing in intervals of 0.5 seconds Searching for device (when using an SBC priority connection) Flashing 2 times in intervals of 0.
Specifications Headphones Type Closed-back dynamic Driver 53 mm Sensitivity 101 dB/mW 107 dB/mW (when using noise-cancelling)*1 101 dB/mW (when not using noise-cancelling)*1 Frequency response 5 to 40,000 Hz Impedance 30 ohms 150 ohms (when using noise-cancelling)*1 30 ohms (when not using noise-cancelling)*1 Microphone Type Electret condenser Polar pattern Omnidirectional Sensitivity -44 dB (1 V/Pa, at 1 kHz) Frequency response 50 to 4,000 Hz Communication specifications Communication sys
Specifications Other Power supply DC 3.7 V lithium polymer battery Charging time Approx. 5 hours*2 Operating time Continuous transmission time (music playback): Max. approx. 25 hours (when using Bluetooth and noise-cancelling)*2 Max. approx. 30 hours (when using only Bluetooth)*2 Max. approx. 35 hours (when using only noise-cancelling)*2 Continuous standby time: Max. approx. 1,000 hours*2 Weight Approx. 300 g (10.
Audio-Technica Corporation 2-46-1 Nishi-naruse, Machida, Tokyo 194-8666, Japan www.audio-technica.co.jp ©2018 Audio-Technica Corporation 138901010-02-01 ver.1 2018.02.
