Instruction manual HD 450BT
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HD 450BT Around-ear headphones Model: SEBT4 Instruction manual Use the search function, the navigation (left) or the following links: Start "Product overview" "Getting started" "Using the headphones" "FAQ/If a problem occurs ..." "Specifications" Sennheiser electronic GmbH & Co. KG Am Labor 1 30900 Wedemark Germany www.sennheiser.com Version: 05/20 A02 HD 450BT | 1
HD 450BT Around-ear headphones Model: SEBT4 Instruction manual Use the search function, the navigation (left) or the following links: Start "Product overview" "Getting started" "Using the headphones" "FAQ/If a problem occurs ..." "Specifications" Sennheiser electronic GmbH & Co. KG Am Labor 1 30900 Wedemark Germany www.sennheiser.com Version: 05/20 A02 HD 450BT | 1
Instruction manual HD 450BT
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... development. 2 | HD 450BT peratures (hairdryer, heater, extended exposure to sunlight, etc.) to extreme tem- The normal operating temperature is permitted. Preventing damage to health and accidents ▷ Protect your special attention (e.g. In extreme cases, they may occur when headphones are used at least...hearing damage may even present a risk of the ear cups. ▷ Use only attachments/accessories/spare parts supplied or recommended by Sennheiser. ▷ Clean the product only with a soft, dry cloth. ▷ Use the product with cardiac pacemakers, implanted defibrillators ...
... development. 2 | HD 450BT peratures (hairdryer, heater, extended exposure to sunlight, etc.) to extreme tem- The normal operating temperature is permitted. Preventing damage to health and accidents ▷ Protect your special attention (e.g. In extreme cases, they may occur when headphones are used at least...hearing damage may even present a risk of the ear cups. ▷ Use only attachments/accessories/spare parts supplied or recommended by Sennheiser. ▷ Clean the product only with a soft, dry cloth. ▷ Use the product with cardiac pacemakers, implanted defibrillators ...
Instruction manual HD 450BT
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...audio communication such as an accessory for any application not named in the corresponding product documentation. Sennheiser is used for Bluetooth compliant devices. Sennheiser does not accept liability for damage arising from the loss of this product and its attachments/... range. Before putting into operation, please observe the respective country-specific regulations. 4 | HD 450BT Sennheiser is not liable for damages resulting from misuse or improper use /Liability These headphones have been designed as music playback and phone calls via Bluetooth wireless technology.
...audio communication such as an accessory for any application not named in the corresponding product documentation. Sennheiser is used for Bluetooth compliant devices. Sennheiser does not accept liability for damage arising from the loss of this product and its attachments/... range. Before putting into operation, please observe the respective country-specific regulations. 4 | HD 450BT Sennheiser is not liable for damages resulting from misuse or improper use /Liability These headphones have been designed as music playback and phone calls via Bluetooth wireless technology.
Instruction manual HD 450BT
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... of accessories can find: • this detailed instruction manual and additional information www.sennheiser.com/download • the Sennheiser Smart Control app for configuring the head- Contact your local Sennheiser partner: www.sennheiser.com > "Service & Support". Package contents Package contents HD 450BT around-ear headphones Model: SEBT4 USB cable with USB-C connector Analog audio cable with 3.5 mm...
... of accessories can find: • this detailed instruction manual and additional information www.sennheiser.com/download • the Sennheiser Smart Control app for configuring the head- Contact your local Sennheiser partner: www.sennheiser.com > "Service & Support". Package contents Package contents HD 450BT around-ear headphones Model: SEBT4 USB cable with USB-C connector Analog audio cable with 3.5 mm...
Instruction manual HD 450BT
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when a cable is connected, flight mode is activated/Bluetooth is deactivated USB-C socket for analog audio cable; Product overview Product overview HD 450BT 1 6 | HD 450BT 2 2 3 Right R Left L B A 0 9 8 7 C 4 65 Headband Ear cup joints Ear cups, steplessly adjustable On/off button for the headphones and the active noise cancellation ANC pressing for 4 seconds activates the Bluetooth pairing mode pressing 1x activates/deactivates ANC LED Input for charging
when a cable is connected, flight mode is activated/Bluetooth is deactivated USB-C socket for analog audio cable; Product overview Product overview HD 450BT 1 6 | HD 450BT 2 2 3 Right R Left L B A 0 9 8 7 C 4 65 Headband Ear cup joints Ear cups, steplessly adjustable On/off button for the headphones and the active noise cancellation ANC pressing for 4 seconds activates the Bluetooth pairing mode pressing 1x activates/deactivates ANC LED Input for charging
Instruction manual HD 450BT
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the headphones flashes blue 3x switch on flashes blue are switched on 3x flashes blue 3x are connected to a device via Bluetooth flashes red/ blue are in ... almost empty If the LED does not light up immediately during charging, clean the charging contacts and charge the headphones until the LED lights up again (> 11). HD 450BT | 7 button (volume down) Volume + button (volume up) 3-way multi-function button for music and call and the rechargeable battery of the LED display During...
the headphones flashes blue 3x switch on flashes blue are switched on 3x flashes blue 3x are connected to a device via Bluetooth flashes red/ blue are in ... almost empty If the LED does not light up immediately during charging, clean the charging contacts and charge the headphones until the LED lights up again (> 11). HD 450BT | 7 button (volume down) Volume + button (volume up) 3-way multi-function button for music and call and the rechargeable battery of the LED display During...
Instruction manual HD 450BT
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...rejected call ended Rechargeable battery has the stated charge level Rechargeable battery is reached 8 | HD 450BT Acoustic signal 2x low-pitched beep 2x low-pitched beep Meaning/headphones... Recharge the headphones. Notes on are switched off " "Device (1) (2) connected" "Lost connection" "... xx hours playtime" "Recharge headset" Meaning/headphones are switched on beeps/acoustic signals The headphones output beeps/acoustic signals for various functions (see examples below). Product overview Notes on voice prompts The headphones output voice prompts for the following functions....
...rejected call ended Rechargeable battery has the stated charge level Rechargeable battery is reached 8 | HD 450BT Acoustic signal 2x low-pitched beep 2x low-pitched beep Meaning/headphones... Recharge the headphones. Notes on are switched off " "Device (1) (2) connected" "Lost connection" "... xx hours playtime" "Recharge headset" Meaning/headphones are switched on beeps/acoustic signals The headphones output beeps/acoustic signals for various functions (see examples below). Product overview Notes on voice prompts The headphones output voice prompts for the following functions....
Instruction manual HD 450BT
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... charging cycle without interruption (> 11). Connecting the headphones to a Bluetooth device Connect the headphones to e.g. Getting started Getting started 1. USB-C USB-A 2. adjust the sound to your smartphone via Bluetooth (> 12). "Sennheiser Smart Control" 3. Before using the equalizer (> 15). Charging the rechargeable battery The headphones' rechargeable battery is not fully charged upon delivery. Hold 4s HD 450BT | 9
... charging cycle without interruption (> 11). Connecting the headphones to a Bluetooth device Connect the headphones to e.g. Getting started Getting started 1. USB-C USB-A 2. adjust the sound to your smartphone via Bluetooth (> 12). "Sennheiser Smart Control" 3. Before using the equalizer (> 15). Charging the rechargeable battery The headphones' rechargeable battery is not fully charged upon delivery. Hold 4s HD 450BT | 9
Instruction manual HD 450BT
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Getting started 4. Putting the headphones on and adjusting the headband For good sound quality and best possible wearing comfort, the headband can be adjusted to properly fit your head (> 17). 10 | HD 450BT
Getting started 4. Putting the headphones on and adjusting the headband For good sound quality and best possible wearing comfort, the headband can be adjusted to properly fit your head (> 17). 10 | HD 450BT
Instruction manual HD 450BT
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Sennheiser recommends using the headphones for the first time, charge the rechargeable battery for charging the headphones. The charging process of the headphones. 2. When the battery charge drops to a critical level, a voice prompt asks you can still listen to... displays the charge status: HD 450BT | 11 Before using the supplied USB cable and a compatible standard USB power supply for a complete charging cycle without interruption. Once the headphones are being charged, you to the USB socket of the headphones begins. Charging the headphones' rechargeable battery Right R...
Sennheiser recommends using the headphones for the first time, charge the rechargeable battery for charging the headphones. The charging process of the headphones. 2. When the battery charge drops to a critical level, a voice prompt asks you can still listen to... displays the charge status: HD 450BT | 11 Before using the supplied USB cable and a compatible standard USB power supply for a complete charging cycle without interruption. Once the headphones are being charged, you to the USB socket of the headphones begins. Charging the headphones' rechargeable battery Right R...
Instruction manual HD 450BT
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... which they are using. Information on , the headphones automatically try to connect to pair the headphones again. 12 | HD 450BT If your music in high audio quality: aptX, aptX LL or AAC. On switch-on the Bluetooth wireless connection The headphones are ready for the first time, they automatically switch to re-establish a connection with...
... which they are using. Information on , the headphones automatically try to connect to pair the headphones again. 12 | HD 450BT If your music in high audio quality: aptX, aptX LL or AAC. On switch-on the Bluetooth wireless connection The headphones are ready for the first time, they automatically switch to re-establish a connection with...
Instruction manual HD 450BT
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Using the headphones Paired and connected Bluetooth device Paired Bluetooth device (currently not connected) HD 450BT | 13
Using the headphones Paired and connected Bluetooth device Paired Bluetooth device (currently not connected) HD 450BT | 13
Instruction manual HD 450BT
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...place them close to the Bluetooth device (max. 20 cm). 2. The headphones are displayed. 5. Activate Bluetooth on the headphones for 4 seconds. Via the menu of found Bluetooth devices, select "HD 450BT". If pairing was successful, you switch on your Bluetooth device are in ...the proximity of your Bluetooth device. 4. If necessary, repeat the steps described above. Switch the headphones off 5 HD 450BT Keyword: 0000 Right R Hold 4s 4 "Pairing" Menu Add Device "Device (1) connected" If no connection is established within 5 minutes...
...place them close to the Bluetooth device (max. 20 cm). 2. The headphones are displayed. 5. Activate Bluetooth on the headphones for 4 seconds. Via the menu of found Bluetooth devices, select "HD 450BT". If pairing was successful, you switch on your Bluetooth device are in ...the proximity of your Bluetooth device. 4. If necessary, repeat the steps described above. Switch the headphones off 5 HD 450BT Keyword: 0000 Right R Hold 4s 4 "Pairing" Menu Add Device "Device (1) connected" If no connection is established within 5 minutes...
Instruction manual HD 450BT
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... of the headphones, > 29. HD 450BT | 15 Alternatively, you need to the headphones. The Smart Control app recognizes the headphones and activates all the settings and functions of the headphones, you can use of all available settings and functions. The headphones switch to the headphones via Bluetooth ... QR code or to call up the following Internet site: www.sennheiser.com/smartcontrol "Sennheiser Smart Control" ▷ Connect your smartphone to standby mode. Using the headphones Disconnecting the headphones from a Bluetooth device ▷ Via the menu of your Bluetooth...
... of the headphones, > 29. HD 450BT | 15 Alternatively, you need to the headphones. The Smart Control app recognizes the headphones and activates all the settings and functions of the headphones, you can use of all available settings and functions. The headphones switch to the headphones via Bluetooth ... QR code or to call up the following Internet site: www.sennheiser.com/smartcontrol "Sennheiser Smart Control" ▷ Connect your smartphone to standby mode. Using the headphones Disconnecting the headphones from a Bluetooth device ▷ Via the menu of your Bluetooth...
Instruction manual HD 450BT
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...both ear cups. If Bluetooth is activated and the headphones cannot find a paired Bluetooth device within a few minutes, you hear the voice prompts "Power on WARNING Danger of hearing damage due to standby mode. 16 | HD 450BT The joints click into place. 2. The LED flashes... red/blue. Using the headphones Switching the headphones on " and "Device (1) connected". If Bluetooth is activated on the headphones, you hear the voice prompt "Lost connection".
...both ear cups. If Bluetooth is activated and the headphones cannot find a paired Bluetooth device within a few minutes, you hear the voice prompts "Power on WARNING Danger of hearing damage due to standby mode. 16 | HD 450BT The joints click into place. 2. The LED flashes... red/blue. Using the headphones Switching the headphones on " and "Device (1) connected". If Bluetooth is activated on the headphones, you hear the voice prompt "Lost connection".
Instruction manual HD 450BT
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... around your ears. For optimal sound quality, the ear pads must completely surround your ears, - Left L Right R HD 450BT | 17 The markings R for the right side and L for 2 seconds. 2. The headphones switch off. 1 2 "Power off 1. Press and hold the on/off " and the LED flashes red 3x. .... ▷ Move the ear cups up or down the headband slider until: - your head. Using the headphones Switching the headphones off " Hold 2s Putting the headphones on and adjusting the headband For good sound quality and best possible wearing comfort, the headband can be adjusted ...
... around your ears. For optimal sound quality, the ear pads must completely surround your ears, - Left L Right R HD 450BT | 17 The markings R for the right side and L for 2 seconds. 2. The headphones switch off. 1 2 "Power off 1. Press and hold the on/off " and the LED flashes red 3x. .... ▷ Move the ear cups up or down the headband slider until: - your head. Using the headphones Switching the headphones off " Hold 2s Putting the headphones on and adjusting the headband For good sound quality and best possible wearing comfort, the headband can be adjusted ...
Instruction manual HD 450BT
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...Recharge headset" "More than xx hours playtime" 1x 18 | HD 450BT ON "Recharge headset" "More than xx hours playtime" Meaning The rechargeable battery is displayed in hours. Using the headphones Retrieving information on the battery charge status When the headphones are connected to your Bluetooth device, the battery charge status ...can retrieve information on the battery charge status on the headphones by pressing the center of your smartphone (depending on the screen of the volume button 1x. You can be displayed ...
...Recharge headset" "More than xx hours playtime" 1x 18 | HD 450BT ON "Recharge headset" "More than xx hours playtime" Meaning The rechargeable battery is displayed in hours. Using the headphones Retrieving information on the battery charge status When the headphones are connected to your Bluetooth device, the battery charge status ...can retrieve information on the battery charge status on the headphones by pressing the center of your smartphone (depending on the screen of the volume button 1x. You can be displayed ...
Instruction manual HD 450BT
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...the volume using the connected Bluetooth device. HD 450BT | 19 gling between the audio sources may cause enormous volume jumps that can lead to high volume levels. You can adjust the volume for music and phone calls. Using the headphones Adjusting the volume WARNING Danger of the ...Do not continuously expose yourself to permanent hearing defects. Listening at high volume levels can permanently damage your hearing. ▷ Before putting the headphones on a call: Press the rear part or the front part of hearing damage due to increase or reduce the volume for music, voice...
...the volume using the connected Bluetooth device. HD 450BT | 19 gling between the audio sources may cause enormous volume jumps that can lead to high volume levels. You can adjust the volume for music and phone calls. Using the headphones Adjusting the volume WARNING Danger of the ...Do not continuously expose yourself to permanent hearing defects. Listening at high volume levels can permanently damage your hearing. ▷ Before putting the headphones on a call: Press the rear part or the front part of hearing damage due to increase or reduce the volume for music, voice...
Instruction manual HD 450BT
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... • In very quiet environments, slight noise may occur. as motor or fan noise, is always at its closed design, the headphones offer effective passive isolation from any Bluetooth device - ticularly well suppressed. • Speech or high-frequency noise is sufficiently charged). Make...provided that the ear cups properly fit around your headphones' sound quality is par- The LED flashes purple 3x. ANC is activated. Using the headphones Information on active noise cancellation ANC Due to its best. ANC is deactivated. 20 | HD 450BT If you want to create a quiet space ...
... • In very quiet environments, slight noise may occur. as motor or fan noise, is always at its closed design, the headphones offer effective passive isolation from any Bluetooth device - ticularly well suppressed. • Speech or high-frequency noise is sufficiently charged). Make...provided that the ear cups properly fit around your headphones' sound quality is par- The LED flashes purple 3x. ANC is activated. Using the headphones Information on active noise cancellation ANC Due to its best. ANC is deactivated. 20 | HD 450BT If you want to create a quiet space ...
Instruction manual HD 450BT
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Some smartphones or music players may not support all functions. Using the headphones 1 2 "Power on" Hold 1x 2s Listening to music using the headphones You can listen to music when the headphones and your audio source are connected via Bluetooth (> 12) or the audio cable (> 25). Right R ... 3-way multi-function button backwards. 3-way multi-function button Slide backwards Function Plays the next track in the playlist HD 450BT | 21 Controlling music playback The following music playback functions are only available when the headphones and the device are connected via Bluetooth.
Some smartphones or music players may not support all functions. Using the headphones 1 2 "Power on" Hold 1x 2s Listening to music using the headphones You can listen to music when the headphones and your audio source are connected via Bluetooth (> 12) or the audio cable (> 25). Right R ... 3-way multi-function button backwards. 3-way multi-function button Slide backwards Function Plays the next track in the playlist HD 450BT | 21 Controlling music playback The following music playback functions are only available when the headphones and the device are connected via Bluetooth.