Sennheiser RS 175-U

Weight: 310 g
Equipment: - HDR 175 headphones;<br/> - transmitter TR 175;<br/> - digital optical cable;<br/> - analog audio cable;<br/> - power supply with 4 EU, UK, US and AU plugs;<br/> - 2 x NiMH AAA batteries;<br/> - brief instructions.
Design: Full size
Description: Design: full-size, device type: wireless headphones, design features: neodymium magnets, acoustic design type: closed, functions: volume control, operating time: 18 hours
Additional Information: Battery type: AAA; Transmitter frequency range: 2.4 - 2.48 GHz; Range: 100 m; Data transmission channel: radio channel; Number of batteries: 2; Digital optical input: yes
Harmonic coefficient: 0.5 %
Functions: Volume control
Working hours: 18 h
Impedance: 32 ohm
Sensitivity: 106 dB
Design features: Neodymium magnets
Charging time: 8.5 h
Device type: Wireless headphones
Mount type: Headband
Maximum playback frequency: 22000 Hz
Minimum repeatable frequency: 17 Hz
Technology: Dynamic
Membrane diameter: 40 mm
Type of acoustic design: Closed
Wireless connection type: Radio channel
Number of drivers: 1