OSD Nero WRSKII Wireless surround transmitter/receiver amplifier with sub out at Crutchfield
Amazon.com: Amphony 1700 Wireless Speaker Kit with one Wireless Amplifier, 2x40 Watts, 300ft range : Electronics
Rocketfish+RF-WHTIB+Receiver+Universal+Wireless+Black+Rear+Speaker+Kit for sale online | eBay
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
Samsung - 2.0.2ch Wireless Rear Speaker Kit with Dolby Atmos - Black | P.C. Richard & Son
Amazon.com: Rocketfish Wireless Home Theater Rear Speaker Kit - Surround Sound System - Model RF-WRSK18 : Electronics
Alto Pro STEALTHMK2 Dual-channel Wireless Speaker Kit mk2 – Easy Music Center
Rockler Wireless Single Speaker Kit with Playback/Volume Controls -Rockler
Wireless WiFi Ceiling Speaker Kit Bluetooth Loudspeaker Home Theater Audio Stereo Background Music Sound System App Control - AliExpress