Sennheiser RS 180 Digital Wireless Headphone System

The RS 180 makes movie and HDTV marathons an amazing experience thanks to the Automatic Level Control that compensates for variances in the volume of program material to enhance speech intelligibility...just set your comfortable volume level and let ALC do the rest. The RS 180 utilizes KLEER's lossless digital wireless audio transmission, offering a range of up to 320 feet of audiophile-grade sound and reception to four optional pairs of Sennheiser KLEER headphones. Never fuss with tuning again thanks to automatic, interference-free pairing between the headphone and transmitter. The entire package includes a headphone (HDR 180) and a multi-purpose transmitter (TX 180) which also functions as an 'easy-charge' cradle and docking station.

Sennheiser RS 170 Digital Wireless Headphone with Dynamic Bass and Surround Sound

Wireless headphones come in many shapes and sizes but few offer better home theater performance than the Sennheiser RS 170. This wireless headphone system is made up of a pair of wireless headphones (HDR 170) and a multi-purpose transmitter (TX 170) which also functions as an 'easy-charge' cradle and docking station. The RS 170 also features a Dynamic Bass Boost and Surround Sound simulation mode for edge-of-your-seat excitement with your favorite music and movies.