Furthermore, the conveniently located manual input level and balance controls make setting the listening levels to your individual preference a snap, so youll be able to fine-tune the details of each track in stunning acoustic clarity. Just connect the multi-purpose transmitter to your home sound system (via optical or analog inputs) and lose yourself in the music.

Sennheisers RS 185: The right wireless choice for serious listeners.

Audiophile style open back, circumaural headphone system with excellent digital wireless audio transmission delivering range up to 328feet/100meter (line of sight) .Connectivity Technology: Wireless
High performance Sennheiser transducers deliver precise, detailed and dynamic sound

Multipurpose transmitter supports both Digital and Analog Inputs in addition Automatic and Manual Level Control - also functions as 'easy charge' cradle and docking station for the headphones

Multi receiver transmission transmitter supports up to two pairs of headphones simultaneously (optional HDR 185, sold separately)

2 year warranty when purchased from an authorized Sennheiser dealer. Signal to noise ratio: [Analog input] ALC typ. 85 dBA at 1 Vrms, MLC ≥ 90 dBA, [Digital input] > 90 dBA

Frequency response is 17 - 22,000 Hertz. Carrier frequencies: 2.4 2.48 GigaHertz