Sennheiser ACCENTUM Wireless headphone White (Retail price: $1500)

Technical Data

Wearing style – Headband stereo headphones
Ear coupling -  Around-the-ear, circum-aural
Connectivity -  Bluetooth 5.2 compliant, class 1, 10 mW (max)
Tansmission freq/modulation - 2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK / 8DPSK
Supported profiles - A2DP, AVRCP, HFP, HSP, GATT
Supported codecs - SBC, AAC, aptX™, aptX HD™, mSBC, CVSD
Speaker principle – Dynamic
Speaker type/size – 37mm diameter
Speaker frequency range - 10 Hz – 22 kHz
Speaker sensitivity - 106 dB SPL (1 kHz / 0 dB FS)
Speaker THD - <0.3% (1 kHz / 100 dB SPL)
Active Noise Cancellation - Hybrid ANC
Mic principle - MEMS
Mic frequency range - 50 Hz – 8 kHz
Mic pick-up pattern - 2 mics, beamforming for noise reduction
Battery lifespan - Up to 50 hrs music playtime via Bluetooth and with ANC (test condition: iPhone, medium volume level)
Charging time - Approx. 3 hrs for full charge; After 10 min charging up to 5 hrs music playtime
Battery type - Built-in Lithium-Ion rechargeable battery 800 mAh
Power supply - 5 V⎓, 700 mA max, USB charging via USB-C socket
Product dimension - 165mm x 195mm x 48mm (folded flat)
Product weight - Ca. 222g