Sennheiser HD 450BT Instruction manual HD 450BT
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- Sennheiser HD 450BT | Instruction manual HD 450BT - Page 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 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 2
dust-free environment. Safety instructions for the lithium polymer rechargeable battery WARNING If abused or misused, the rechargeable batteries may leak. In extreme cases, they may even present a risk of: • heat generation, • fire development, • explosion, • smoke or gas development. 2 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 3
safety instructions Only use rechargeable batteries and chargers recommended by Sennheiser. Only paired devices. This data is required for the operation of the product and is not transferred to Sennheiser or companies commissioned by Sennheiser and is not processed. Using the "Sennheiser HD 450BT | 3 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 4
Important safety instructions Intended use/Liability These headphones have been designed as an accessory for Bluetooth compliant devices. They are intended for wireless audio communication such as music playback and phone calls via Bluetooth wireless technology. It is considered improper use when - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 5
HD 450BT around-ear headphones Model: SEBT4 USB cable with USB-C connector Analog audio cable with 3.5 mm jack plug and 2.5 mm jack plug, length approx. 1.5 m Carry case Quick guide Safety guide Online you can find: • this detailed instruction manual and additional information www.sennheiser - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 6
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 analog audio cable; when a cable is connected, flight mode is activated/Bluetooth is - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 7
calls LED flashes blue flashes red Meaning Incoming call Incoming call and the rechargeable battery of the headphones is 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 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 8
battery is empty. Recharge the headphones. Notes on beeps/acoustic signals The headphones output beeps/acoustic signals for the following functions. Acoustic signal 2x low-pitched beep 2x low-pitched beep Meaning/headphones... minimum volume is reached maximum volume is reached 8 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 9
allows you to use all functions and settings of the headphones and to e.g. adjust the sound to your liking using the equalizer (> 15). "Sennheiser Smart Control" 3. Connecting the headphones to a Bluetooth device Connect the headphones to your smartphone via Bluetooth (> 12). Hold 4s HD 450BT | 9 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 10
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 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 11
drops to a critical level, a voice prompt asks you to recharge the headphones ("Recharge headset"). Sennheiser recommends using the supplied USB cable and a compatible standard USB power supply for charging the headphones. While the headphones are being charged, you can still listen to music or make - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 12
to the instruction manual of the Bluetooth device you are using. When you switch on the headphones for the first time, they automatically switch to pairing mode. Information on the Bluetooth wireless connection The headphones are compatible with Bluetooth 5.0. If your audio source supports one of - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 13
Using the headphones Paired and connected Bluetooth device Paired Bluetooth device (currently not connected) HD 450BT | 13 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 14
2 OFF 20 cm 3 ON Menu Bluetooth on Bluetooth 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, pairing mode is terminated and the headphones switch to standby mode. If necessary, repeat the steps - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 15
.sennheiser.com/smartcontrol "Sennheiser Smart Control" ▷ Connect your smartphone to the headphones via Bluetooth (> 12). ▷ Start the Smart Control app. ▷ Follow the instructions in the app. The Smart Control app recognizes the headphones and activates all available settings and functions. HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 16
, connect the audio cable to the headphones. 1 2 ON "Power on" Hold 4s "Device (1) connected" Make sure that Bluetooth is already activated on your Bluetooth device when switching on the headphones. If Bluetooth is activated and the headphones cannot find a paired Bluetooth device within - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 17
and best possible wearing comfort, the headband can be adjusted to properly fit your head. ▷ Wear the headphones so that the headband runs over the top of your head. The markings R for the right side and sound quality, the ear pads must completely surround your ears. Left L Right R HD 450BT | 17 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 18
also displays the battery charge status. You can retrieve information on the battery charge status on the headphones by pressing the center of the volume button 1x. Voice prompt "Recharge headset" "More than displayed in hours. ON "Recharge headset" "More than xx hours playtime" 1x 18 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 19
cause enormous volume jumps that can permanently damage your hearing. ▷ Before putting the headphones on and before tog- gling between audio sources, adjust the volume to a low level. ▷ Do not continuously expose . You can also adjust the volume using the connected Bluetooth device. HD 450BT | 19 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 20
activate or deactivate ANC when the headphones and your audio source are connected via Bluetooth, or the audio cable (provided that the battery is and to ensure proper noise cancellation, do not cover the microphone openings of the active noise cancellation circuitry located on the 20 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 21
audio cable (> 25). 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 Slide backwards Function Plays the next track in the playlist HD 450BT | 21 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 22
Using the headphones Playing the previous track ▷ Slide the 3-way multi-function button forwards. 3-way multi-function button Slide forwards Function Plays the previous track in the playlist 22 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 23
or communication apps may not support all functions. Making a call ▷ Dial the desired number on your smartphone. If your smartphone does not automatically transfer the call to the headphones, select "HD 450BT" as the output device on your smartphone (see the instruction manual of your smartphone if - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 24
flight mode is activated and the Bluetooth wireless connection is deactivated. Use the audio cable when: • wireless transmission is not allowed, e.g. during aircraft take-off and landing, • the headphone's rechargeable battery is empty, • your audio source does not offer a Bluetooth connection. The - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 25
plug of the audio cable to the left until you feel a resistance. 2. Pull the 2.5 mm jack plug straight out of the headphones' audio socket. 3. Pull the 3.5 mm jack plug of the audio cable straight out of the audio output of your smartphone. OFF Right R 2.5 mm 3.5 mm Audio cable HD 450BT | 25 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 26
Using the headphones Storing and transporting the headphones Store the headphones in the carry case to prevent damage to the headphones when you are not using or transporting them. ▷ Fold up the headphones and place them in the carry case as shown in the illustration. 1 2 3 26 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 27
supply system and immediately return the product to any Sennheiser service partner. Outside the warranty period, you can have the rechargeable battery replaced for a fee by your Sennheiser service partner. Contact your local Sennheiser partner: www.sennheiser.com> "Service & Support". HD 450BT | 27 - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 28
always install the latest firmware version to ensure the best performance of your product. ▷ Connect the headphones to your smartphone and start the Smart Control app (> 15). ▷ The app provides information on available firmware updates and guides you through the installation process. 28 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 29
section or if the problem cannot be solved with the proposed solutions, please contact your Sennheiser partner for assistance. To find a Sennheiser partner in your country, search at www.sennheiser.com > "Service & Support". Leaving the Bluetooth transmission range Wireless calling and streaming are - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 30
. The jack plug is now locked in place and the audio cable is correctly connected to the headphones. 3. Insert the 3.5 mm jack plug of the audio cable into the audio output of your smartphone. The Bluetooth wireless connection is deactivated. OFF Right R 2.5 mm 3.5 mm Audio cable 30 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 31
(headphones) approx. 238 g Magnetic field strength 1.9 mT Bluetooth Version Transmission frequency Modulation Output power Profiles Codec Bluetooth 5.0 compatible, class 1, BLE 2,402 MHz to 2,480 MHz GFSK, π/4 DQPSK, 8DPSK 12.6 mW (max) HSP, HFP, AVRCP, A2DP aptX, aptX LL, AAC, SBC HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 32
Inc. and any use of such marks by Sennheiser electronic GmbH & Co. KG is under license. Qualcomm aptX is a product of Qualcomm Technologies International, Ltd. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. 32 | HD 450BT - Sennheiser HD 450BT | Instruction manual HD 450BT - Page 33
countries, used with permission. Other product and company names mentioned in the user documentation may be the trademarks or registered trademarks of their respective holders. HD 450BT | 33
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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