Sennheiser Momentum Wireless (M2 AEBT)

Closed around-ear Bluetooth headphones with NoiseGard hybrid active noise cancellation, a detachable 1.4 m cable and a two-mic beamforming array for calls.

Made by Sennheiser

in useI've had this since Sep 2016

Amazon no longer sells the listing I bought. The link goes to the Sennheiser Momentum 5 Wireless, which I haven't necessarily used.

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Specs

The maker's published specs. I haven't written about this yet.

Around-ear, closedBluetooth or 3.5 mm cable
NoiseGard hybrid ANC
16 Hz–22 kHz28 Ω passive260 g

All 10 published specsHide published specs

Closed-back dynamic, around-ear
Frequency response 16 Hz–22 kHz
Impedance 28 ohms passive, 480 ohms active
Sound pressure level 113 dB (passive, 1 kHz/1 Vrms)
THD below 0.5% (1 kHz, 100 dB SPL)
Dual omnidirectional microphones in a beamforming array
Detachable 1.4 m cable with an angled 3.5 mm plug
Weight 260 g
NoiseGard hybrid active noise cancellation
Model number 506250

From amazon.com, checked Oct 21, 2026.

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