You can try Ebay but I have a pair of Sennheiser's and love them they cost me around 110.00 and are simply battery operated but not having to deal with a cord is priceless. The receiver simply plugs in your RCA connection from your TV or Stereo Receiver. They have bluetooth but not all devices have bluetooth connection. I hear you on the cost aspect but in reality the peace of mind and satisfaction you get from being able to walk around your home and listen to music without the need of a stupid cord is awesome. Also remember you get what you pay for check out Ebay.
Some used/refurbished jaybirds?
Sony Ericsson MW-600 Bluetooth Stereo Headphones
On eBay & Amazon. 40.00
Add in the USB connection for the game systems and the electronics to handle Xbox or PS3 - and the price goes up.
you can found a huge collection of wireless headphones here :
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