6 Ave has the Sennheiser RS110 Wireless Stereo Headphones for $39 with free shipping. Use coupon code afl5 to knock it down to $37.
Features included:
* Open-Air, sup aural wireless Stereo-RF headphone system
* Detailed warm sound reproduction with strong bass response
* Wireless freedom of sound (reception through walls and ceilings)
* For Hi-Fi and TV use
* Very lightweight headphones are extremely comfortable to wear
* Replaceable parts for long service life
* AAA Batteries included
* Sennheiser USA 2-year Warranty
* Supports the use of multiple headphones receiving the RF signal from one transmitter
* Delivery includes transmitter, power cable, Audio cable and headphones
* Connects to RCA jacks (red and White outputs), 1/8" and 1/4" headphone sockets (anything with a headphone jack including laptop and Desktop computers)
* Compatible with LCD and Plasma televisions
* Transmits wireless sound through walls & ceilings
Sennheiser RS110 Wireless Stereo Headphones(SNNRS110) and other affordable Headphones at 6ave.com.
Sennheiser RS110 Wireless Stereo Headphones $37 + FS 
