Sonance MS WIRELESS KIT Wireless Transmitter and Receiver Kit (Each) Black 93451 - Best Buy
Amazon.com: 1Mii 3-in-1 2.4GHz Wireless Audio Transmitter and Receiver for TV, 20ms Ultra Low Delay RCA Out/in, 320 ft Range Wireless Adapter for Subwoofer to TV/PC/CD Player, 2 Receivers for Two Speakers :
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. : Electronics