Instruction manual
Table Of Contents
- Important safety instructions
- Package contents
- Product overview
- Getting started
- Using the headphones
- Information on the rechargeable battery and the charging process
- Charging the headphones' rechargeable battery
- Connecting the headphones to a Bluetooth device
- Information on the Bluetooth wireless connection
- Pairing the headphones with a Bluetooth device
- Disconnecting the headphones from a Bluetooth device
- Installing the Smart Control app
- Switching the headphones on
- Switching the headphones off
- Putting the headphones on and adjusting the headband
- Retrieving information on the battery charge status
- Adjusting the volume
- Information on active noise cancellation ANC
- Activating/deactivating the active noise cancellation ANC
- Listening to music using the headphones
- Controlling music playback
- Making phone calls using the headphones
- Using the voice assistant/voice dialing
- Using Amazon Alexa as voice assistant
- Adjusting sound effects/the equalizer
- Using the audio cable/activating flight mode
- Connecting the headphones using the audio cable
- Storing and transporting the headphones
- Care and maintenance
- FAQ/If a problem occurs ...
- Specifications
- Manufacturer Declarations
Using the headphones
HD 450SE | 25
Using the voice assistant/voice dialing
▷ Press the voice assistant button once.
The available voice assistant of your smartphone is activated
(depending on the system or app on your smartphone: Siri, Goo
-
gle Assistant, or others. If no voice assistant is available, voice
dialing may be activated).
▷ Ask the voice assistant your question or make a request.
To cancel the voice assistant/voice dialing:
▷ Press the voice assistant button 1x.
Using Amazon Alexa as voice assistant
To use Amazon Alexa as a voice assistant, you have to add the head-
phones to the Amazon Alexa app as a device once and then activate
Alexa via the settings of the
Sennheiser Smart Control app:
1. Make sure the headphones are connected to your smartphone via
Bluetooth (>
12).
2. Start the Sennheiser Smart Control app (> 15).
3. In the Smart Control app, open the settings for your headphones
and activate Amazon Alexa for the voice assistant button.
4. Start the Amazon Alexa app and select “Add Device”.
5. From the list of found devices, select “HD 450SE”.
You can now use Amazon Alexa by pressing the voice assistant
button on your headphones.
If you want to use Amazon Alexa as your voice assistant, you
have to configure the headphones once (>
25).
Right R
1x