YMOO 3 in 1 2.4Ghz Wireless Audio Transmitter and Receiver,2 Receivers for Two Speakers,20ms Ultra Low Latency,192kHz/24bit HiFi,320ft Range RCA Jack Wireless Adapter for Active Subwoofer/Speaker - Newegg.com
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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 :