MOMENTUM 4 Wireless around-ear headphones Model: M4AEBT 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” Sonova Consumer Hearing GmbH Am Labor 1 30900 Wedemark Germany www.sennheiser-hearing.
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 Only use rechargeable batteries and chargers recommended by Sonova Consumer Hearing. Do not leave the product / rechargeable batteries unattended while charging. Only charge the product / rechargeable batteries at ambient temperatures between 10 °C and 40 °C/50 °F and 104 °F and do not charge them near easily flammable objects. Do not heat the product / rechargeable batteries above 60 °C/140 °F.
Important safety instructions Sonova Consumer Hearing GmbH does not accept liability for damage arising from misuse or improper use of this product and its attachments/accessories. Sonova Consumer Hearing GmbH is not liable for damages to USB devices that are not consistent with the USB specifications. Sonova Consumer Hearing GmbH is not liable for damages resulting from the loss of connection due to flat or overaged rechargeable batteries or exceeding the Bluetooth transmission range.
Package contents Package contents MOMENTUM 4 around-ear headphones Model: M4AEBT USB charging cable with USB-C and USB-A connector, length approx. 1.2 m Analog audio cable with 3.5 mm jack plug and 2.5 mm jack plug, length approx. 1.2 m In-flight adapter Carry case Quick guide Safety guide Online you can find: • this detailed instruction manual and additional information (www.sennheiser-hearing.
Product overview Product overview MOMENTUM 4 Model: M4AEBT 1 5 2 2 3 4 R 0 6 7 8 AR 0 9 6 Headband, steplessly adjustable Ear cups Multi-function button of the headphones: • On/off button • Voice assistant button • Pairing button: pressing for 5 seconds activates the Bluetooth pairing mode Ear pads Marking for the right ear (R) and for the left ear (L) (inside the ear cups) Speech microphones (4 pcs.) for phone calls Input for analog audio cable, 2.
Product overview LED display Microphones for active noise cancellation ANC: 2x directed outward, 2x directed inward (not visible) Touch pad (outside of the right ear cup) Overview of the smart control Switch-on of the headphones • Automatic switch-on: by lifting and putting on Auto • Manual switch-on: by pressing the multi-function button for 3 seconds Manual Hold 3s MOMENTUM 4 | 7
Product overview Gesture control via the touch pad • Tapping • Horizontal swipe • Vertical swipe • Stretch R • Pinch R You can also disable the touch pad function, see: > 34 The headphones are equipped with a sensor that automatically detects whether the headphones are worn or taken off from your ears (Smart Pause function). You can find more information here: > 33.
Product overview Overview of the LED display During operation LED Meaning/headphones... ... switch on 3x 3x white flashes 3x ... are connected to a device via Bluetooth white continuous sequence ... are in Bluetooth pairing mode red flashes 3x ...
Product overview If the LED display does not light up: • Clean the charging socket (> 38). • Charge the rechargeable battery until the LED display lights up again (at least 30 minutes) (> 14). If the rechargeable battery is completely discharged, it may take several minutes for the LED display to indicate the charging process.
Product overview Overview of sound signals and voice prompts The headphones output voice prompts and sound signals in case of various events. Via the Smart Control app, you can adjust settings for the voice prompts and sound signals (> 34). Voice prompt Meaning/headphones... Establishing a Bluetooth connection “Connected” ...are connected via Bluetooth. “No connection” ... have lost the Bluetooth connection to a paired device. “Pairing successful” ... have successfully completed Bluetooth pairing.
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 (> 14). USB-C USB-A 2. Connecting the headphones to a Bluetooth device ▷ Connect the headphones to your smartphone via Bluetooth (> 15). Hold 5s 3.
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 (> 21).
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. 2 hours. The charging time may vary depending on the power source used and the ambient temperature. 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 display lights up (>9).
Using the headphones 2. Connect the USB-A 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. The LED display indicates the charge status. LED Meaning 1 red Rechargeable battery is almost empty (less than 2% charged) 1 white Rechargeable battery is approx. 2-20% charged (>1 hour of playback time) 2 white Rechargeable battery is approx.
Using the headphones Information on the Bluetooth wireless connection The headphones are compliant with Bluetooth 5.2. If your audio source supports one of the following high-resolution audio encoding methods, music is automatically played in high audio quality: aptX™ Adaptive (aptX™, aptX™ Low Latency) or AAC. Otherwise the headphones will play your music in normal audio quality (SBC). Paired devices establish the Bluetooth wireless connection immediately after switch-on and are ready for use.
Using the headphones Pairing the headphones with a Bluetooth device If you switch on the headphones for the first time (the pairing list is empty), they automatically switch to pairing mode. 1. Switch the headphones off and place them close to the Bluetooth device (max. 20 cm). 2. Press the multi-function button for 5 seconds. The headphones are switched on and you hear a sound signal. The LEDs light up white 3x. The headphones switch to pairing mode.
Using the headphones Switching the connection to paired Bluetooth devices/“Connections” To selectively switch the audio connection to paired Bluetooth devices using the “Connections” function, you require the Smart Control app (> 19). ▷ In the Smart Control app, tap “Connections”. The list of Bluetooth devices paired with the headphones appears. ▷ From the list, select the paired device to which you want to connect the headphones.
Using the headphones Installing the Smart Control app 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 Apple App Store or Google Play and install it on your smartphone. Alternatively, you can use your smartphone to scan the following QR code or to call up the following Internet site: www.sennheiser-hearing.
Using the headphones Manual switch-on ▷ Press the multi-function button for 3 seconds. One LED flashes white 3x. You hear a sound signal. If Bluetooth is activated on the headphones and a paired device is available, the LED lights up white and you hear the voice prompt “Connected”. If Bluetooth is deactivated on the headphones (> 35), you only year a sound signal. The active noise cancellation may be activated (> 26).
Using the headphones Putting the headphones on and adjusting the headband For good sound quality, the best possible noise cancellation and the 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 for the right side (R) and for the left side (L) can be found on the inside of the ear cups.
Using the headphones Retrieving information on the battery charge status When the headphones are connected to your Bluetooth device, the battery charge status can be displayed on the screen of your smartphone (depending on the device and operating system used). The Smart Control app also displays the battery charge status.
Using the headphones Depending on the length of the swipe motion, you adjust the volume in smaller increments (short swipe motion) or larger increments (long swipe motion). When switching the headphones off, very high volume levels are automatically reset to a moderate level to protect your hearing when you switch the headphones on again. R R You can also adjust the volume using the connected Bluetooth device.
Using the headphones Information on active noise cancellation ANC Due to its closed design, the headphones offer effective passive isolation from ambient noise. In addition, the headphones have an active noise cancellation (ANC) function, which allows you to reduce ambient noise to a minimum. Even when ANC is activated, your headphones' sound quality is always at its best.
Using the headphones The Transparency Mode optimally complements the active noise cancellation ANC. Via the adjustable intensity of the Transparency Mode and the active noise cancellation ANC, you can determine how much ambient noise reaches your ears or whether you want to listen exclusively to your music (ANC at full intensity). If you use the Transparency Mode at full intensity, disturbing sounds, e.g.
Using the headphones Increasing/decreasing the active noise cancellation ANC and the Transparency Mode To increase the active noise cancellation ANC and decrease the Transparency Mode: ▷ On the touch pad, move your thumb and index finger towards each other. You hear a sound signal. The intensity of the ANC is increased and ambient awareness is decreased.
Using the headphones Reduction of low-frequency noise and background noise ANC setting deactivated No automatic reduction “Wind Noise Reduction” Off Wind noise reduction off Auto* Automatically adjusted reduction to minimize disturbing wind or movement noise Max Maximum wind noise reduction *default setting MOMENTUM 4 | 27
Using the headphones Listening to music using the headphones You can listen to music when the headphones and your audio source are connected via Bluetooth (> 15), the audio cable (> 36) or via USB (> 37). Controlling music playback The following music functions are only available when the headphones and the device are connected via Bluetooth or USB. Some smartphones or music players may not support all functions. R ▷ Tap the touch pad.
Using the headphones Playing the next/previous track ▷ Swipe horizontally on the touch pad.
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.
Using the headphones Muting the microphone To mute the headphones' microphone during a call: ▷ Press the multi-function button 1x. You hear the voice prompt “Mute on”. The microphone is muted. To activate the microphone again: ▷ Press the multi-function button 1x. You hear the voice prompt “Mute off”. The microphone is reactivated. R 1x R 1x Using the Sidetone function When using the headphones for phone calls, you may find it more comfortable if your own voice is audible in the headphones.
Using the headphones Using the voice assistant/voice dialing The voice assistant is only available when the headphones and the mobile device are connected via Bluetooth or USB. Some smartphones or music players may not support all functions. ▷ Press the multi-function button 1x. The available voice assistant of your mobile device is activated (depending on the system used or app installed on your mobile device: Siri, Google Assistant or others.
Using the headphones Using the Smart Pause function The headphones are equipped with a sensor that automatically detects whether the headphones are worn or taken off from your ears. You can use the following functions: • Music playback pauses when you take off the headphones and continues when you put them on again. • A phone call is accepted when you put on the headphones. • A phone call is muted when you take off the headphones during the call and resumed when you put the headphones back on.
Using the headphones Adjusting sound effects/the equalizer To be able to use the sound effects/the equalizer, you require the Smart Control app (> 19). ▷ In the Smart Control app, select the desired sound effects via the equalizer. You can use predefined presets, define sound modes (e.g. bass boost) or define your own settings. The sound effects are stored in the headphones. These sound settings are active even without using the Smart Control app, i.e. when you are using a different Bluetooth device.
Using the headphones ▷ Press the multi-function button 5x. You hear the voice prompt “Connected”. The Bluetooth wireless connection is activated. If you connect the audio cable, the Bluetooth wireless connection is also deactivated (> 35). If you only want to use the headphones for active noise cancellation ANC during a flight, you can deactivate the touch pad function to avoid unintentional entries (> 34).
Using the headphones Connecting the headphones using the audio cable ▷ Connect the 2.5 mm jack plug of the audio cable to the headphones' audio socket. Flight mode is activated and the Bluetooth wireless connection is deactivated. ▷ Connect the 3.5 mm jack plug to the audio output of your smartphone. To disconnect the audio cable: ▷ Carefully disconnect the jack plug from the headphones. OFF R ON 2.5 mm 3.5 mm Using the in-flight adapter ▷ Connect the 3.
Using the headphones 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.
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. ▷ Clean the parts of the product only with a soft, dry cloth. To clean the charging socket: ▷ Blow vigorously over the charging socket.
Care and maintenance Information on the built-in rechargeable battery Sonova Consumer Hearing GmbH ensures and guarantees that the rechargeable batteries perform at their optimum upon purchase of the product. If, upon purchase or within the warranty period, you suspect that a rechargeable battery is obviously defective or if a charging error/battery error is displayed (> 9), stop using the product, disconnect it from the power supply system and contact your Sonova Consumer Hearing partner.
FAQ/If a problem occurs ... FAQ/If a problem occurs ... If a problem has occurred, proceed in the following order until the problem is solved and you can use the headphones again: 1. Press the multi-function button for 15 seconds (reset). (> 41). 2. Connect the headphones to the Smart Control app to install the latest firmware (> 39). 3. Reset the headphones to the factory default settings (> 41). 4. Check the list of frequently asked questions to see if there is a solution to the problem (> 40). 5.
FAQ/If a problem occurs ... Resetting the headphones If the function of the headphones is disturbed, perform a reset. Individual settings such as the pairing settings are not deleted. ▷ Press the multi-function button for 20 seconds. You hear a short confirmation sound. R 20s Deleting the Bluetooth pairing list of the headphones You can delete the Bluetooth pairing list using the Smart Control app. Follow the instructions in the app.
Specifications Specifications Model: M4AEBT Wearing style Bluetooth® around-ear, closed-back Ear coupling circum-aural Transducer principle dynamic Transducer 42 mm Frequency response 6 Hz to 22,000 Hz (-10 dB) Sound pressure level (SPL) 106 dB (1 kHz/0 dBFS) THD (1 kHz, 100 dB SPL) < 0.
Manufacturer Declarations Manufacturer Declarations Warranty Sonova Consumer Hearing GmbH gives a warranty of 24 months on this product. For the current warranty conditions, please visit our website at www.sennheiser-hearing.com/warranty or contact your Sonova Consumer Hearing partner.
Manufacturer Declarations If batteries/rechargeable batteries can be removed without damaging them, you are obliged to dispose of them separately (for the safe removal of batteries/rechargeable batteries, see the instruction manual of the product). Handle lithium-containing batteries/ rechargeable batteries with special care, as they pose particular risks, such as the risk of fire and/or the risk of ingestion in the case of coin batteries.