Buy 1Mii Wireless Transmitter Receiver Audio for Music, 2.4GHz Long Range Audio Transmitter and Receiver Low Delay from TV/ to Powered Speaker/ Stereo/ Subwoofer/ CD/Vinyl Record/ RCA Out/in 320ft-RT5066 Online in France.
Amazon.com: BIC America WTR-Sys Wireless Transmitter/Receiver Kit for Hookup of Wireless Subwoofers and Wireless Powered Speakers, 8.30in. x 8.30in. x 2.20in. : Everything Else
How to make your Subwoofer Wireless - YouTube
Best Buy: Rocketfish™ Wireless Subwoofer Transmitter/Receiver Kit Black RF-WSW312