Pyle Auto 2-Channel Bridgeable Marine Amplifier - 200 Watt RMS 4 OHM Full Range Stereo with Wireless Bluetooth & Powerful Prime Speaker - High Crossover HD Music Audio Multi Channel System PLMRMB2CW :
PMH200KIT 200W PA System with 10" Speakers, 4 Channel Mixer Amplifier & Microphone - Pulse
Fosi Audio BL20A 200 Watts Bluetooth 5.0 Power Amplifier USB Flash Drive Player 2.1 CH Mini Hi-Fi Class D TPA3116 Integrated Amp with Remote Control for Home Passive Speakers : Amazon.co.uk: Electronics