Kicker 46CXA400.1T CX Series mono subwoofer amplifier — 400 watts RMS x 1 at 1 ohm at Crutchfield
110v/220v Hifi Mono 150w Heavy Subwoofer Digital Active Power Amplifier Board Pure Bass Professional Home Audio Stereo System - Speakers - AliExpress
Mini 300W Mono Channel Digital Amplifier for Subwoofer / Full-Frequency Speaker | eBay
110/220v Hifi Mono 350w Heavy Subwoofer Digital Active Power Amplifier Board Pure Bass Professional Home Audio System - Home Theater Amplifiers - AliExpress
AudioControl LC-1.1500 Mono subwoofer amplifier *1,500 watts RMS x 1 at 2 ohms - Breakers Stereo and Performance
JVC CW-DR124 drvn Series 12" 1800W Peak Power Car Audio Subwoofer Bundle Combo with 600 Watts Max Power Compact Marine Waterproof Digital Mono Subwoofer Amplifier and 8 Gauge Amplifier Wiring Kit -
Amazon.com: BESTISAN Powered Subwoofer, 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else
Amazon.com: Rockville RV8.1A 400w 8" Loaded Car Subwoofer Enclosure+Mono Amplifier+Amp Kit, black : Electronics
Mackie SR18S 18-inch 1600-watt Professional Powered Subwoofer | Sweetwater
AudioControl LC-1.1500 High-Power Mono Subwoofer Amplifier with Accubass | World Wide Stereo
110v/220v Hifi Mono 150w Heavy Subwoofer Digital Active Power Amplifier Board Pure Bass Professional Home Audio Stereo System - Speakers - AliExpress
HIFI Mono 200W Heavy Subwoofer Digital Active Power Amplifier Board Pure Bass Professional Home Audio EU Plug - Walmart.com
ESX POWER4 Mono Verstärker Class D Aktiv-Modul 4 Ohm für Subwoofer Gehäuse 460 Watt RMS