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
Amazon.com: Greenworks 24V Bluetooth Speaker Kit, AC/DC Wireless Worksite Speaker, 2Ah Battery and Charger Included : Patio, Lawn & Garden
SWA-8500S - Wireless Rear Speaker Kit | Samsung US
Amazon.com: Amphony Wireless Speaker Kit with two Wireless Amplifiers (New Model), Makes Surround Speakers Wireless, 2x80 Watts, 300ft range, Connect to any Audio Source, Better-than Bluetooth Digital Wireless : Electronics
New DIY Bluetooth Speaker Kit MP3 Music Pack Remote Control Wireless Speaker 3W Mini Power Amplifier | Wish