Amazon.com: Pyle 8-Channel Wireless Bluetooth Power Amplifier - 4000W Rack Mount Multi Zone Sound Mixer Audio Home Stereo Receiver Box System w/ RCA, USB, AUX - For Speaker, PA, Theater, Studio/Stage -
Rockville HOME MATRIX 4 Zone 8 channel 600w Multi Room/Source Receiver/ Amplifier - Rockville Audio
XDA-QS5400RK MusicCast Multi-Room Streaming Amp - Yamaha USA
1200W Stereo Bluetooth Amplifier | 6x 200W Channel Multi Zone HiFi Matrix Mixer 5056199871445 | eBay
Rockville RPA40BT 1000w 4 Zone/Channel Home Stereo Bluetooth Amplifier Receiver - Rockville Audio
1 Input 4 Output Power Amplifier And Audio 4 Zone Audio Source Signal Distribution Board Single Audio Input 300w Per Channel - Home Theater Amplifiers - AliExpress
Monoprice Commercial Audio 4x120W 4-Channel/4-Zone Mixer Matrix 100/70V with Digital Media Player (No Logo) - Monoprice.com