RECOIL
Recoil DI1200-4 Full-Range Class-D 4-Channel Car Audio Amplifier, 2,400 Watts, 2-4 Ohm Stable, MOSFET Power Supply, Bridgeable
Boss Audio
BOSS AUDIO R2504 Riot 1000-Watt Full Range, Class A/B 2-8 Ohm Stable 4 Channel Amplifier with Remote Subwoofer Level Control
Planet Audio
Planet Audio AC1200.4 Anarchy 1200 Watt, 4 Channel, 2/8 Ohm Stable Class A/B, Full Range, Bridgeable, MOSFET Car Amplifier
Boss Audio
BOSS Audio Systems MC900B 500 Watt, 4 Channel, All-Terrain, Weather Resistant Amplifier System with Bluetooth Multifunction Remote
Taramp's
Taramps TS 400x4 400 watts RMS 4 Channels Full Range Car Audio Amplifier, 2 Bridged Channels, RCA Input Class D, Output Power, Multichannel Amplifier System, Small - TS400X4
Timpano
Timpano 4 Channel Amplifier Car Audio 4 x 125 Watts 2 Ohm, TPT500.4 Small 4 Channel Amplifier 12 Volts Full Range Class D Mini Bridgeable Car Amplifier 4 Channel
KENWOOD
Kenwood KACM1814 Compact 4-Channel Amplifie
Pioneer
DJ Tech Pro Pioneer GM-A4704 4-Channel Bridgeable Amplifier,Black/red
BLAUPUNKT
Blaupunkt 1500W 4-Channel, Full-Range Amplifier