Features
Closed, headphones with excellent digital wireless audio transmission
Exceptional digital audio clarity and transmission range of up to 328ft/100m (line of sight)
Enables switching between dynamic bass and virtual surround sound
listening modes for situational sound customization
Supports analogue and digital audio inputs and allows toggling between the inputs
Intelligently designed controls for maximum ease of use
Multi-purpose transmitter – also functions as ‘easy-charge’ cradle and docking station
Multi-receiver transmission – transmitter supports up to two pairs of headphones simultaneously
Ergonomic design for enhanced wearing comfort
2-year warranty
Technical Data
Headphones
Frequency response 17 - 22,000 Hz
Max. sound pressure level 114 dB at 1kHz, 3% THD
THD, total harmonic distortion <0.5 % at 1 kHz, 100 dB SPL
Transducer principle dynamic, closed
Weight 310 g (incl. batteries)
Operating time up to 18 hrs
Transmitter
Audio input 1 x 3.5 mm stereo, 1 x optical digital
Power consumption = 0.3 W (standby)
System
Range Up to 100 m
Signal-to-noise ratio Analog input: typ. 85 dBA at 1 Vrms
Digital input: > 90 dBA
Modulation 8-FSK Digital
Carrier frequencies 2.4 – 2.48 GHz
What's in the box?
HDR 175 headphones
TR 175 transmitter
Optical cable
Audio cable
Power supply
2 AAA NiMH rechargeable batteries
Quick guide & Instruction manual CD