Impedance 24 Ω Dimensions 85 x 225 x 133 mm Connector Jack 3,5 mm/6,35 mm stereo Frequency response 22 - 19500 Hz THD, total harmonic distortion < 0.7 % Ear coupling Supraaural Transducer principle Open, Dynamic Weight Receiver: 230 g (inc. Batteries) Power consumption < 1,8 V Signal-to-noise ratio > 65 dBA Operating time 20 h Modulation FM stereo Power supply Receiver: 2 AAA cells-rechargeable SPL for peak deviation 106 dB. Sennheiser Part # HDR120
Wireless freedom and stereo sound with reception through walls and ceilings up to 328 feet. Simple, built-in recharging
Detailed, warm sound reproduction with strong bass response
Open-Aire design for hi-fidelity audio reproduction
Volume, on/off and tuning control located on the headphone
Very lightweight headphones are comfortable to wear for long periods of time
