TruAudio 2-Channel class D amp with IR learning, sub-out, stereo, bridged-mono or multiple amps. 4-8ohm, 100-150W. - Creative Audio
EveryMarket
Tda7293 Amplifier For Subwoofer 100w Subwoofer Power Amplifier 110v~220v Subwoofer Amplifier Board Low Pass Filter Subwoofer - Home Theater Amplifiers - AliExpress
Subwoofer Digital Bluetooth Amplifier Board Dual Microphone Karaoke Amplifier Reverb 220V for 8-12 Inch Speaker US Plug _ - AliExpr… | Subwoofer, Amplifier, Karaoke
Amazon.com: Taidacent Car Subwoofer Power Amplifier Board 220V 12V 24V Universal Audio Speaker Amplifier Built-in Bluetooth Car Amplifier : Musical Instruments
220V 500W Passive Subwoofer Power Amplifier Special Hifi Power Amp Home 5.1/2.1 | eBay
30W Bluetooth Audio Amplifier Board D10 Subwoofer Dual Microphone AMP Module 12V 24V 220V Medie Player for 8-12 Inch Speaker _ - AliExpress Mobile