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CX 350BT
In-Ear Wireless
Model: SEBT1
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: 01/21 A02
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Summary of Contents for Sennheiser SEBT1
- Page 1 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: 01/21 A02...
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Page 2: Important Safety Instructions
Preventing damage to health and accidents ▷ Protect your hearing from high volume levels. Permanent hearing damage may occur when headphones are used at high volume levels for long periods of time. Sennheiser headphones sound exceptionally good at low and medium volume levels. ▷... - Page 3 Sennheiser does not accept liability for damage arising from misuse or improper use of this product and its attachments/accessories. Sennheiser is not liable for damages to USB devices that are not con- sistent with the USB specifications. Sennheiser is not liable for...
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Page 4: Package Contents
Online you can find: • this detailed instruction manual and additional information (www.sennheiser.com/download) • the Sennheiser Smart Control app for getting to know the head- phones (www.sennheiser.com/smartcontrol) You can find a list of accessories on the CX 350BT product page at www.sennheiser.com. Contact your local Sennheiser partner: www.sennheiser.com >... -
Page 5: Product Overview
Product overview Product overview CX 350BT Model: SEBT1 Right Left PAIRING MUSIC TELEPHONE Earphones Voice assistant button Volume button (volume up) Multi-function button Volume button (volume down) USB-C socket for charging the rechargeable battery Cover for USB-C socket Microphone CX 350BT | 5... -
Page 6: Notes On Voice Prompts
Product overview Overview of the LED indications of the headphones Meaning; the headphones lights up red are being charged lights up blue are fully charged flashes blue are switched on flashes red-blue are in Bluetooth pairing mode approx. 1 min flashes blue Bluetooth pairing successful flashes red... - Page 7 Product overview Voice prompt Meaning/headphones “Mute on” Microphone is muted, active call is put on hold “Mute off” Microphone is reactivated “Recharge headset” Rechargeable battery is empty. Recharge the headphones. “Volume min” volume set to minimum “Volume max” volume set to maximum CX 350BT | 7...
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Page 8: Getting Started
USB-C USB-A 2. Installing the Smart Control app on your smartphone The Sennheiser Smart Control app allows you to use all functions and settings of the headphones and to e.g. adjust the sound to your liking using the equalizer (>... -
Page 9: Using The Headphones
When the battery charge 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 compa- tible standard USB power supply for charging the headphones. Charging the headphones' rechargeable... -
Page 10: Information On The Bluetooth Wireless Connection
Using the headphones Connecting the headphones to a Bluetooth device To be able to use the Bluetooth wireless connection, you must regis- ter both devices (headphones and e.g. smartphone) via the device settings of your smartphone. This process is called pairing. If operation differs from the steps mentioned, also refer to the inst- ruction manual of the Bluetooth device you are using. - Page 11 Using the headphones Pairing the headphones with a Bluetooth device 1. Switch the headphones on (> 13) and place them close to the Bluetooth device (max. 20 cm). 2. Press and hold the multi-function button for 5 seconds until you hear the voice prompt “Pairing”.
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Page 12: Installing The Smart Control App
“Sennheiser Smart Control” To make full use of all the settings and functions of the headphones, you need to have the free Sennheiser Smart Control app installed on your smartphone. Download the app from the App Store or Google Play and install it on your smartphone. -
Page 13: Switching The Headphones On
Using the headphones Inserting the earphones into the ears ▷ Put the cable around your neck. ▷ Assign the right earphone to your right ear and the left earphone to your left ear. ▷ Press the earphones lightly into the ear canal. If the earphones fit too loose in the ear canal and fall out easily: ▷... -
Page 14: Switching The Headphones Off
Using the headphones If Bluetooth is activated and the headphones cannot find a paired Bluetooth device within a few minutes, you hear the voice prompt “Lost connection”. The LED flashes red. The headphones switch to standby mode. Switching the headphones off Hold “Power off“... -
Page 15: Adjusting The Volume
Using the headphones Adjusting the volume WARNING Danger of hearing damage due to high volume levels! Listening at high volume levels can lead to permanent hearing defects. ▷ Before putting the headphones on and before toggling between audio sources, adjust the volume to a low level. -
Page 16: Controlling Music Playback
Using the headphones Controlling music playback The music playback functions are only available when the headpho- nes and the device are connected via Bluetooth. Some smartphones or music players may not support all functions. Playing/pausing music ▷ Press the multi-function button 1x. Multi-function button Function Press 1x... - Page 17 Using the headphones Accepting/rejecting/ending a call If your headphones are connected to a smartphone and you receive a call, you hear a ring tone in the headphones. If you are playing music when you receive a call, the music pauses until you end the call.
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Page 18: Adjusting Sound Effects/The Equalizer
Using the headphones Automatically accepting a call You can automatically accept an incoming call when the headphones are switched on and connected. To be able to activate this function, you require the Smart Control (> 12). Adjusting sound effects/the equalizer To be able to use the sound effects/equalizer, you require the Smart Control app (>... -
Page 19: Care And Maintenance
Clean the product only with a soft, dry cloth. Replacing the ear adapters For reasons of hygiene, you should replace your ear adapters from time to time. Spare ear adapters are available from your Sennheiser partner. 1. Pull the ear adapter away from the in-ear sound tunnel. -
Page 20: Installing Firmware Updates
Care and maintenance Installing firmware updates Firmware updates can be downloaded free of charge from the Inter- net using the Sennheiser Smart Control app. ▷ Connect the headphones to your smartphone and start the Smart Control app (> 12). The app provides information on available firmware updates and guides you through the installation process. - Page 21 If a problem occurs that is not listed in the FAQ section or if the pro- blem 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 only possible in the Bluetooth transmission range of your smartphone.
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Page 22: Specifications
Specifications Specifications CX 350BT Model: SEBT1 Wearing style Bluetooth® neckband cable Ear coupling ear-canal Frequency response 20 Hz to 20,000 Hz Transducer principle dynamic Transducer size 9.7 mm Sound pressure level (SPL) 107±3 dB (1 kHz/0 dBFS) measured according to IEC711 THD (1 kHz, 100 dB) <... -
Page 23: Manufacturer Declarations
Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on this product. For the current warranty conditions, please visit our website at www.sennheiser.com or contact your Sennheiser partner. In compliance with the following requirements •... - Page 24 Manufacturer Declarations Other product and company names mentioned in the user documen- tation may be the trademarks or registered trademarks of their res- pective holders. 24 | CX 350BT...
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