User's Manual
Table Of Contents
- Important safety instructions
- Package contents
- Product overview
- Getting started
- Using the earphones
- Information on the rechargeable battery, the charging process and the first use
- Charging the rechargeable battery of the earbuds and the charging case
- Connecting the earphones to a Bluetooth device
- Information on the Bluetooth wireless connection
- Pairing the earphones with a Bluetooth device
- Switching the connection to paired Bluetooth devices/“Connections”
- Disconnecting the earphones from a Bluetooth device
- Installing the Smart Control app
- Selecting suitable ear adapters for optimum fit of the earbuds
- Inserting the earbuds into the ears
- Switching the earphones on
- Switching the earphones off
- Adjusting the volume
- Information on active noise cancellation ANC
- Activating/deactivating the active noise cancellation ANC
- Listening of ambient noise or conversations - activating/deactivating the Transparent Hearing function
- Adjusting the Transparent Hearing function
- Using the voice assistant/voice dialing
- Using the Smart Pause function
- Controlling music playback
- Making calls using the earphones
- Using the Auto Call function
- Using Sidetone
- Displaying the battery charge status
- Adjusting sound effects/the equalizer
- Setting the voice prompts/beep sounds
- Customizing the control functions
- Storing or transporting the earphones in the charging case
- Care and maintenance of the earbuds/charging case
- FAQ/If a problem occurs ...
- Specifications
- Manufacturer Declarations
![](/manual/sennheiser/508674/user-s-manual-english/images/img-34.png)
Specifications
MOMENTUM True Wireless 2 | 37
Specifications
MOMENTUM True Wireless 2
M3IETW2
Bluetooth
Wearing style True wireless stereo earphones
Ear coupling ear-canal
Frequency response 5 Hz to 21 kHz
Transducer principle dynamic, closed-back
Transducer size 7 mm
Sound pressure level (SPL) 107 dB (1 kHz/1 mW)
THD (1 kHz, 94 dB SPL) < 0.08 %
Active noise cancellation
ANC
1 microphone per earbud
Microphone principle MEMS
Microphone frequency
response
100 Hz to 10 kHz
Microphone pick-up pattern
(speech and ANC)
2-mic beamforming array
Power supply built-in Lithium rechargeable
batteries, 3.7 V
earbuds: 55-60 mAh
charging case: 600 mAh
USB charging via USB-C socket of the
charging case: 5 V
, 650 mA
Operating time 7 hrs with rechargeable battery of the
earbuds (test conditions: iPhone
within 1 m distance, Bluetooth AAC
codec, volume level 50 %,
Transparent Hearing off, ANC off, no
customized EQ);
28 hrs with rechargeable battery of
the charging case
Charging time of
rechargeable batteries
approx. 1.5 hrs
Temperature range 0 to +40 °C
–25 to +60 °C
Relative humidity 10 to 80%, non condensing
10 to 90%
Magnetic field strength earbuds: 1.34 mT
charging case: 87.70 mT
Ingress protection of the
earbuds
splash proof (IPX4)
Weight earbuds: approx. 6 g each
charging case: approx. 58 g
Version Bluetooth 5.1 compatible, class 1, BLE
Transmission frequency 2,402 MHz to 2,480 MHz