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| Sennheiser Momentum 4 80th Anniversary Edition Wireless Headphones Specifications | |||
| 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 – 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 | 42 mm diameter | ||
| Speaker Frequency Range | 6 Hz – 22 kHz | ||
| Speaker Sensitivity | 106 dB SPL (1 kHz / 0 dB FS) | ||
| Total Harmonic Distortion (THD) | <0.3% (1 kHz / 100 dB SPL) | ||
| Impedance | Active: 470 Ω / Passive: 60 Ω | ||
| Active Noise Cancellation | Hybrid Adaptive ANC | ||
| Microphone Principle | MEMS | ||
| Microphone Frequency Response | 50 Hz – 10 kHz | ||
| Microphone Pick-up Pattern | 2 mics per side, beamforming for noise reduction | ||
| Battery Time | Up to 60 hrs music playtime via Bluetooth with ANC (iPhone, mid volume test) | ||
| Charging Time | Approx. 2 hrs (full charge); 5 min charge = up to 4 hrs playtime (ambient temps >30°C may extend charging) | ||
| Battery Type | Built-in Lithium-Ion rechargeable, 700 mAh | ||
| Power Supply | 5 V⎓, 800 mA max, USB charging via USB-C socket | ||