- Model Name
- Sennheiser Momentum 4 Wireless Noise Cancelling Headphones
- Article Number (SKU)
- 509266 (Black), 509267 (White)
- Wearing Style
- Headband Stereo Headphones
- Ear Coupling
- Around-the-Ear, Circum-Aural
- Connectivity
- Bluetooth 5.2 compliant, class 1, 10 mW (max)
- Transmission Frequency
- 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8 DPSK
- Supported Profiles
- A2DP, AVRCP, HFP
- Codecs
- SBC, AAC, aptX™, aptX adaptive™
- Speaker Type
- Dynamic
- Transducer Principle
- 42mm Diameter
- Speaker Frequency Range
- 6 Hz to 22 kHz
- Speaker Sensitivity
- 106 dB SPL (1 kHz / 0 dB FS)
- Total Harmonic Distortion (THD)
- Speaker; <0,3% (1 kHz / 100 dBSPL)
- Impedance
- Speaker; Active 470 ohms / Passive 60 ohms
- Active Noise Cancellation
- Hybrid Adaptive ANC
- Microphone Principle
- MEMS
- Frequency Response (Microphone)
- 50 Hz to 10 kHz
- Microphone Pick-Up Pattern
- 2 Mics Per Side, Beamforming For Noise Reduction
- Battery Time
- Up to 60 hrs Music Playtime via Bluetooth and with ANC (test condition; iPhone, mid-volume level)
- Charging Time
- Approx. 2 hrs for full charge; 5 min charging for up to 4 hrs playtime | Remark; Ambient temperatures >30°C may lead to extended charging times
- Battery Type
- Built-in Lithium-Ion rechargeable batteries 700 mAh
- Power Supply
- 5 V⎓, 800 mA max, USB charging via USB-C socket