MOMENTUM Wireless Around-ear headphones M3AEBTXL 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.
Important safety instructions Important safety instructions ▷ Read this instruction manual carefully and completely before using the product. ▷ Always include this instruction manual when passing the product on to third parties. ▷ Do not use the product if it is obviously defective or makes loud, unusual (whistling or beeping) noise. ▷ Only use the product in environments where Bluetooth wireless transmission is permitted.
Important safety instructions 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. Only use rechargeable batteries and chargers recommended by Sennheiser. Only charge the product / rechargeable batteries at ambient temperatures between 0 °C to 40 °C/32 °F to 104 °F.
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 the product is used for any application not named in the corresponding product documentation.
Package contents Package contents MOMENTUM Wireless M3AEBTXL around-ear headphones USB cable with USB-C connectors, length approx. 1.2 m USB adapter USB-C to USB-A connector Analog audio cable with 3.5 mm jack plug, length approx. 1.4 m Carry case Quick guide Safety guide Online you can find: • this detailed instruction manual and additional information (www.sennheiser.com/download) • the Sennheiser Smart Control app for configuring the headphones and for additional functions (www.sennheiser.
Product overview Product overview 1 D D L E 2 R 3 4 C 5 6 7 8 8 9 B D OFF ON A 0 Sheepskin headband LED Active noise cancellation (ANC) switch On/off, Transparent Hearing mode NFC antenna Volume + button (volume up) Multi-function button for music and call functions Volume - button (volume down) External microphones for active noise cancellation ANC 6 | MOMENTUM Wireless M3AEBTXL
Product overview Voice assistant button; pressing for 5 seconds activates the Bluetooth pairing mode Input for USB-C; for charging and music playback/data connection Input for analog audio cable; when a cable is connected, flight mode is activated/Bluetooth is deactivated Ear cups (steplessly adjustable) with internal microphones for active noise cancellation ANC Sheepskin ear pads Ear cup joint with on/off function for the headphones Microphones for phone calls Overview of the LED display LED Meaning; th
Product overview Notes on voice prompts The headphones output voice prompts for various functions (see examples below). Using the Smart Control app, you can change the language of the voice prompts, choose between voice prompts and beep sounds, or deactivate the status messages with a few exceptions (e.g. rechargeable battery is empty).
Getting started Getting started 1. Charging the rechargeable battery The headphones' rechargeable battery is not fully charged upon delivery. Before using the headphones for the first time, charge the rechargeable battery for a complete charging cycle without interruption (> 10). USB-C USB-C 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.
Using the headphones Using the headphones Information on the rechargeable battery and the charging process The headphones have a built-in rechargeable battery. A complete charging cycle takes approx. 3 hours. The headphones provide 1.5 hours of playback time with a charging time of approx. 10 minutes. Before using the headphones for the first time, charge the rechargeable battery for a complete charging cycle without interruption. When the headphones are being charged, the LED lights up (> 7).
Using the headphones 2. Connect the other USB-C connector to a corresponding socket of a USB power source (* to be ordered separately). Make sure that the USB power source is connected to the power supply system. The charging process of the headphones begins.
Using the headphones If you pair the headphones with the ninth Bluetooth device, the saved connection profile of the least used Bluetooth device will be overwritten. If you want to re-establish a connection with the overwritten Bluetooth device, you have to pair the headphones again.
Using the headphones Pairing the headphones with a Bluetooth device using NFC 1. Activate NFC on your Bluetooth device. 2. Switch the headphones on (> 16). 3. Place your Bluetooth device close (less than 3 cm) to the NFC antenna in the right ear cup of the headphones. You hear the voice prompt “Pairing” and the LED flashes blue and red. 4. Click “Yes” if a confirmation dialog for Bluetooth pairing appears on the screen of your Bluetooth device (this step may vary depending on your Bluetooth device).
Using the headphones Pairing the headphones with a Bluetooth device 1. Switch the headphones on (> 16) and place them close to the Bluetooth device (max. 20 cm). 2. Press and hold the voice assistant button for 5 seconds until you hear the voice prompt “Pairing”. The LED flashes blue and red. The headphones are in pairing mode. 3. Activate Bluetooth on your Bluetooth device. 4. Via the menu of your Bluetooth device, start the search for new Bluetooth devices.
Using the headphones Disconnecting the headphones from a Bluetooth device ▷ Via the menu of your Bluetooth device, disconnect the connection to the headphones. The headphones are disconnected from the Bluetooth device. You hear the voice prompt “Device (1) disconnected”. The headphones switch to standby mode. To delete the Bluetooth pairing list of the headphones, > 33.
Using the headphones Switching the headphones on 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, adjust the volume to a low level (> 20). ▷ Do not continuously expose yourself to high volume levels. WARNING Risk of getting caught when unfolding the ear cups! When the ear cups are unfolded, you may get caught in the joints and injure yourself.
Using the headphones Unfolding the ear cups without switching the headphones on ▷ Press the multi-function button while unfolding the ear cups and hold the button for at least 4 seconds. The headphones remain switched off. You hear the voice prompts “Power off”. The LED lights up red for 2 seconds. To switch the headphones on again: ▷ Fold both ear cups inward and unfold them again. The headphones switch on normally (> 16).
Using the headphones Switching the headphones off ▷ Fold the left ear cup and then the right ear cup inward over a slight resistance of the joint. You hear the voice prompt “Power off” and the LED display flashes red 3x. The headphones switch off. OFF “Power off“ 3x 1 2 When you remove the headphones and place them on your shoulders, the headphones switch to standby mode to save power. When you put the headphones on again, the standby mode is deactivated.
Using the headphones 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. ▷ Wear the headphones so that the headband runs over the top of your head. The markings R for the right side and L for the left side can be found in the ear cups.
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. Toggling between the audio sources may cause enormous volume jumps that can permanently damage your hearing. ▷ Before putting the headphones on and before toggling between audio sources, adjust the volume to a low level. ▷ Do not continuously expose yourself to high volume levels.
Using the headphones Notes on active noise cancellation • Continuous uniform noise, such as motor or fan noise, is particularly well suppressed. • Speech or high-frequency noise is significantly reduced, but can remain perceptible. • In very quiet environments, slight noise may occur. In this case, deactivate ANC. • If unusual (whistling or beeping) noise occurs, take the headphones off and put them on again. Make sure that the ear cups properly fit around your ears.
Using the headphones ANC mode Used ANC Reduction of low-frequency microphones in the noise and background noise ear cups “Max” * maximum reduction directed toward the ear and directed toward the outside in noisy environments such as aircraft/traffic “Anti Wind” slight reduction without disturbing wind or movement noise directed toward the ear outdoors and on the go directed toward the outside at home or in a hotel “Anti Pressure” comfortable reduction without feeling pressure in the ears Appli
Using the headphones function To be able to fully use Transparent Hearing, you require the Smart Control app (> 15). ▷ Select the desired Transparent Hearing function in the Smart Control app: Transparent Hearing Description “Keep music playing and mix with ambient sound” The audio playback (e.g. music) continues and is mixed with ambient sounds. “No music playback, only The audio playback (e.g. music) is muted and you hear only ambient ambient sound” sounds.
Using the headphones Multi-function button Press 2x Function Plays the next track in the playlist Playing the previous track ▷ Quickly press the multi-function 3x. Multi-function button Press 3x Function Plays the previous track in the playlist Fast-forwarding a track ▷ Quickly press the multi-function button 2x and keep it pressed until you have fast-forwarded to the desired position in the track.
Using the headphones Multi-function button Press 1x Press 1x Hold for 1 sec Press 2x Function Accepts a call Ends a call Voice prompt “Call ended” Rejects a call Voice prompt “Call rejected” Redials the last number Voice prompt “Redial” (only when music playback is NOT active) Press 1x Accepts an incoming call and ends the active call Press 2x Puts the active call on hold and accepts an incoming call Press 2x Toggles between active call and call on hold Muting the microphone To mute the headphone
Using the headphones Putting an active call on hold If you remove the headphones during a call, the call is automatically put on hold and the microphone is muted. You hear the voice prompt “Mute on” every 30 seconds. To continue the call and reactivate the microphone, simply put the headphones on again. You hear the voice prompt “Mute off”. Using the voice assistant/voice dialing ▷ Press the voice assistant button once.
Using the headphones 1 2 3 Headphone settings Amazon Alexa 4 5 Add Device Momentum 3 Using the Smart Pause function The headphones are equipped with a carrying sensor that automatically detects whether the headphones are worn or removed from your ears. You can use the following functions: • ANC is deactivated when you remove the headphones and activated when you put them on again. • Music playback pauses when you remove the headphones and continues when you put them on again.
Using the headphones Setting the voice prompts/beep sounds To be able to set the voice prompts and beep sounds, you require the Smart Control app (> 15). ▷ You can change the language of the voice prompts, choose between voice prompts and beep sounds, or deactivate the status messages with a few exceptions (e.g. rechargeable battery is empty). Using TILE to locate the headphones The TILE function allows you to locate the headphones at any time.
Using the headphones OFF Flight mode 3.5 mm 2.5 mm Click Connecting the headphones using the USB cable When you connect the headphones to a Mac/PC/mobile device using the supplied USB cable, you can play audio content from your Mac/PC/mobile device directly through the headphones. The headphones are automatically charged when you connect them to a Mac/PC/mobile device using the USB cable.
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.
Care and maintenance Care and maintenance CAUTION Liquids can damage the electronics of the product! Liquids entering the housing of the product can cause a short-circuit and damage the electronics. ▷ Keep all liquids far away from the product. ▷ Do not use any solvents or cleansing agents.
Care and maintenance ▷ Place the ear pad on the ear cup and align it with the notches in the retaining ring. ▷ Using your thumbs, press the retaining ring firmly onto the ear cup so that the retaining ring audibly snaps into place all-around. Click Information on the built-in rechargeable battery Sennheiser ensures and guarantees that the rechargeable battery performs at its optimum upon purchase of the product.
FAQ/If a problem occurs ... FAQ/If a problem occurs ... Current list of frequently asked questions (FAQ) Visit the MOMENTUM Wireless product page at www.sennheiser.com/download There you will find a current list of frequently asked questions (FAQ) and suggested solutions. Your question has not been answered or the problem persists? If a problem occurs that is not listed in the FAQ section or if the problem cannot be solved with the proposed solutions, please contact your Sennheiser partner for assistance.
FAQ/If a problem occurs ... 3. Switch the headphones off and on again. The headphones are restarted. 1 OFF 2 3 OFF ON Hold 25s ON Click Click Resetting the headphones to the factory default settings/Reset The Smart Control app allows you to reset the headphones to the factory default settings (e.g. EQ settings, ANC mode). If the TILE function is activated (> 28), the TILE settings are not reset. To reset the TILE settings, deactivate the headphones in the TILE app.
Specifications Specifications MOMENTUM Wireless M3AEBTXL Ear coupling circum-aural Transducer principle dynamic, closed-back Transducer 42 mm Frequency response 6 Hz to 22 kHz Sound pressure level (SPL) 99 dB SPL/-10 dB FS (via Bluetooth) according to EN 50332-2 118 dB SPL/1 V/1 kHz (via cable) Impedance active mode: 470 Ω passive mode: 100 Ω THD (1 kHz, 100 dB SPL) < 0.
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.
Manufacturer Declarations The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries. Amazon, Alexa and all related logos are trademarks of Amazon.com, Inc. or its affiliates. TILE and the TILE design are trademarks of Tile, Inc. Other product and company names mentioned in the user documentation may be the trademarks or registered trademarks of their respective holders.
