Taramps TS 400x4 2 Ohms Black Multichannel Stereo Amplifier 400 Watts Rms, 4 Channels, Full Range, Car Audio Digital 2 Bridged Channel, Crossover High/Low Pass, with RCA and Automatic High Level Input

BOSS Audio Systems R1004 Riot Series 4 Channel Amplifier Car Audio - Class A/B, 400 High Output, 2-8 Ohm Stable, High/Low Level Inputs, Full Range

SounDigital Amplifier (400W 4 Channels)

Taramps BASS 3k 1 Ohm 1 Channel Mosfet Amplifier 3000 Watts RMS, Monoblock, Subsonic Filter, Low Pass Crossover, Bass Boost, RCA, Class D, Car Audio System, Great for Subwoofers, Max Power

Mono Digital Amplifier Mono 100W Digital Mono Subwoofer TPA3116 with NE5532 OPAMP

BOSS Audio Systems R1100MK Monoblock Car Amplifier and 8 Gauge Wiring Kit - 1100 High Output, High Low Level Inputs, Low Pass Crossover

GM Genuine Parts 25994310 Radio Speaker Amplifier

CT Sounds CT-1000.1D Compact Class D Car Audio Monoblock Amplifier, 1000 Watts RMS

Lanzar 1 Channel Car Audio Amplifier, 3000 Watt, Monoblock, 2 Ohm, MOSFET, Nickel Plated RCA Input, Bass Boost Circuit, Electronic Crossover Network, Power Protection LEDs - HTG157

Pyle 2 Channel Car Stereo Amplifier- 1400W Dual Channel Bridgeable High Power MOSFET Audio Sound Auto Small Speaker Amp w/ Crossover, Bass Boost Control, Gold Plated RCA Input Output, Black - PLA2200