High-quality Sennheiser transducers for exceptional sound
Designed exclusively for use with the RS 175 RF Wireless Headphone system (sold separately). Frequency response : 17 - 22000 Hz. Maximum sound pressure level : 114 dB at 1kHz, 3 percentage THD
Two year warranty when purchased from an authorized Sennheiser dealer.
Connectivity technology: Radio Frequency wireless
The HDR175, Additional headphone for the RS175offers an impressive range of features in a compact,ergonomic package, so that you can enjoy music and television to the fullest. The main controls are located on the headphones, so nothing will distract you from an exciting audio experience, and the comfortable fit is ideal for extended periods of use.