Kicker 47KEY500.1 Compact mono subwoofer amplifier with automatic tuning DSP — 500 watts RMS at 1 ohm at Crutchfield
American Bass TITAN 1244 12" 800 Watt RMS Car Subwoofer+Mono Amplifier+Amp Kit - Walmart.com
Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX - Newegg.com
TNP212DV Dual 12" Subwoofer Enclosure And Amplifier Party Package | MTX - Serious About Sound®
Soundstage Bass Party Pack System with Dual 12" Subwoofer, Vented Enclosure and Mono Amplifier - Soundstage - HiFi, Car Audio, Home Audio, Canada
350W Subwoofer Amplifier Board Mono High Power DIY 10-12Inch Speaker AC24-28V | eBay
OSD Audio SMP1000 Mono 1000W Class D Subwoofer Amplifier w/DSP App Control, LED Screen (SMP1000DSP) - Yahoo Shopping
Combo: 2x HIPPOXL124 Mega Subwoofers with P8 Mono Mega Amplifier
Amazon.com: TPA3116D2 100W Mono Amplifier Board Subwoofer Amplifier Board Module with NE5532 OPAMP, Mono High Power Subwoofer Audio Stereo AMP Digital Power : Electronics
SMP500 1000W Mono Subwoofer Amplifier | OSD Audio
Kicker 46CXA8001 CX Series Mono Subwoofer Amplifier | BrandsMart USA