Instruction manual HD 450BT
Page 2
...and malfunctions ▷ Always keep the product dry and do not cover the microphone openings of the active noise cancellation circuitry located on to extreme tem- In... generation, • fire development, • explosion, • smoke or gas development. 2 | HD 450BT in environments where Bluetooth® wireless transmission is from high volume levels. Important safety instructions Important safety ... the ear cups. ▷ Use only attachments/accessories/spare parts supplied or recommended by Sennheiser. ▷ Clean the product only with a soft, dry cloth. ▷ Use...
...and malfunctions ▷ Always keep the product dry and do not cover the microphone openings of the active noise cancellation circuitry located on to extreme tem- In... generation, • fire development, • explosion, • smoke or gas development. 2 | HD 450BT in environments where Bluetooth® wireless transmission is from high volume levels. Important safety instructions Important safety ... the ear cups. ▷ Use only attachments/accessories/spare parts supplied or recommended by Sennheiser. ▷ Clean the product only with a soft, dry cloth. ▷ Use...
Instruction manual HD 450BT
Page 7
... and charge the headphones until the LED lights up ) 3-way multi-function button for music and call functions Voice assistant button Ear pads Speech microphones (2 pcs.) for phone calls Overview of the LED display During operation LED 3x Meaning; button (volume down) Volume + button (volume up again (> 11). HD 450BT | 7 Product overview Volume -
... and charge the headphones until the LED lights up ) 3-way multi-function button for music and call functions Voice assistant button Ear pads Speech microphones (2 pcs.) for phone calls Overview of the LED display During operation LED 3x Meaning; button (volume down) Volume + button (volume up again (> 11). HD 450BT | 7 Product overview Volume -
Instruction manual HD 450BT
Page 20
If you want to ensure proper noise cancellation, do not cover the microphone openings of the active noise cancellation circuitry located on the outside of the ear cups. ticularly well suppressed. • Speech or high-frequency noise is ... hold the on/off button 1x. Switch the headphones on ". 2. You hear the voice prompt "Power on . as motor or fan noise, is deactivated. 20 | HD 450BT In this case, deactivate ANC. • If unusual (whistling or beeping) noise occurs, take the head- Make sure that the battery is always at its...
If you want to ensure proper noise cancellation, do not cover the microphone openings of the active noise cancellation circuitry located on the outside of the ear cups. ticularly well suppressed. • Speech or high-frequency noise is ... hold the on/off button 1x. Switch the headphones on ". 2. You hear the voice prompt "Power on . as motor or fan noise, is deactivated. 20 | HD 450BT In this case, deactivate ANC. • If unusual (whistling or beeping) noise occurs, take the head- Make sure that the battery is always at its...
Instruction manual HD 450BT
Page 31
...dB SPL) < 0.3 % (1 kHz, 100 dB SPL) Microphone principle MEMS Microphone frequency response 80 Hz to 2,480 MHz GFSK, π/4 DQPSK, 8DPSK 12.6 mW (max) HSP, HFP, AVRCP, A2DP aptX, aptX LL, AAC, SBC HD 450BT | 31 Charging time of rechargeable battery approx. 2 hours ...Transmission frequency Modulation Output power Profiles Codec Bluetooth 5.0 compatible, class 1, BLE 2,402 MHz to 6,000 Hz (-3 dB) Microphone pick-up pattern dual omni-directional microphones (speech audio) 2-mic beamforming array Power supply built-in rechargeable lithium-polymer battery: 3.7 V ⎓, 600 mAh USB...
...dB SPL) < 0.3 % (1 kHz, 100 dB SPL) Microphone principle MEMS Microphone frequency response 80 Hz to 2,480 MHz GFSK, π/4 DQPSK, 8DPSK 12.6 mW (max) HSP, HFP, AVRCP, A2DP aptX, aptX LL, AAC, SBC HD 450BT | 31 Charging time of rechargeable battery approx. 2 hours ...Transmission frequency Modulation Output power Profiles Codec Bluetooth 5.0 compatible, class 1, BLE 2,402 MHz to 6,000 Hz (-3 dB) Microphone pick-up pattern dual omni-directional microphones (speech audio) 2-mic beamforming array Power supply built-in rechargeable lithium-polymer battery: 3.7 V ⎓, 600 mAh USB...