Sennheiser HDR 140-8

Weight: 280 g
Design: Full size
Description: Design: full-size, device type: wireless headphones, acoustic design type: closed, operating time: 23 h
Additional Information: Additional RF headphones for RS 140; Battery type: AAA; Data transmission channel: radio channel; Number of batteries: 2
Harmonic coefficient: 0.5 %
Working hours: 23 h
Sensitivity: 110 dB
Device type: Wireless headphones
Mount type: Headband
Max power: 4 mW
Maximum playback frequency: 21000 Hz
Minimum repeatable frequency: 18 Hz
Technology: Dynamic
Type of acoustic design: Closed
Wireless connection type: Radio channel