Amazon.com: Acoustic Audio WS1005 Passive Subwoofer Amp 200 Watt Amplifier for Home Theater : Electronics
OSD Audio SMP200 200W Mono-Channel Class D Subwoofer Amplifier
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
Aiyima Audio A3001 Tpa3255 200w Subwoofer Amplifier Hifi Mono Power Class D Digital Amp For Passive Speaker Home Theater Diy - Home Theater Amplifiers - AliExpress
M04 Mono Amplifier Subwoofer Amp 100W With Bass Power Amplifier – Fosi Audio
DC12-24V 2.1 Channel TPA3116 Subwoofer Bluetooth Amp HiFi TPA3116D2 2.1 Amplifier Board 50W x 2 + 100W Passive Subwoofer Amplifier (No Power Supply) | Walmart Canada
Amazon.com: Fosi Audio M01-BT Bluetooth 5.0 300 Watt Subwoofer Amplifier Home Theater Full-Frequency Mini Stereo Audio Hi-Fi Mono Power Amp with Bass Gain Control for Passive Subwoofer Speaker Bass Shaker : Electronics
Mono Subwoofer Amplifier Home Theater | Subwoofer Mono Power Amplifier - Audio A1001 - Aliexpress
M04 Mono Amplifier Subwoofer Amp 100W With Bass Power Amplifier – Fosi Audio
Nobsound G2 PRO HiFi Subwoofer /Full-Frequency Mono Digital Power Amplifier 300W 127214907380 | eBay