Amazon.com: Fosi Audio V3 Stereo Amplifier Home Audio 300 Watts x2 Power TPA3255 Class D Mini Amp 2 Channel Audio Component for Passive Bookshelf Tower Speakers Desktop Home Theater with 32V Power
Monoprice SWA-400 400-watt Subwoofer Amplifier with DSP and Presets - Monoprice.com
Subwoofer Amplifiers | OSD Audio
Amazon.com: Fosi Audio M03 200 Watt TPA3255 Subwoofer Amplifier Mini Mono Channel Audio Power Amp for Home Theater Full-Frequency and SUB Bass Switchable with 32V/5A Power Supply : Electronics
Amazon.com: Moukey Home Audio Amplifier Stereo Receivers with Bluetooth 5.0, 220W 2 Channel Power Amplifier Stereo System, w/USB, SD, AUX, MIC in w/Echo, LED for Home Theater Speakers via RCA, Studio Use -
110v ~230v 1000w Home Amplifiers Audio Hifi Bass Audio Power Amplifier Home Theater Amplifier For Subwoofer Speakers - Home Theater Amplifiers - AliExpress
Bash 300S Digital Subwoofer Plate Amplifier 300W RMS