4 channel amplifier

JVC KS-DR2004D 4-Channel 200 Watt Compact Digital Amplifier for Compact Car, Marine, UTV and Motorcycles

Memphis Audio MM500.4V 4-Channel Marine Amplifier, 125x4 at 2 Ohm

Hertz DP 4.300 AB-Class 4 Channel Amplifier with 2 Pr Hertz Dieci Series DSK 165.3 Component Speaker Kit

Powerbass XL-800.4 4 Channel PowerSport Amplifier

Infinity MARINEM3004A High Performance 4 Channel Marine Amplifiers

PowerBass ASA3-1200.2 1200 Watt 2-Channel Amplifier - 600W x 2 at 2-Ohm, 300W x 2 at 4-Ohm

Hertz 4-Channel Marine Amplifier Add-On – SP-4.500 Class D Amp with Wiring Kit & RCA – DIY Boat Audio Upgrade for Cabin Speakers & 2-Zone Audio Sys...

Memphis Audio MJP800.4 4-Channel 800 Watt Amplifier - 200 Watts RMS x 4 at 2-Ohm

Fusion MS-RA670 Apollo Marine Entertainment System With Fusion MS-AP61800 Apollo 6 Channel, MS-AP41200 4 Channel, and MS-AP12000 Mono Amplifiers

Diamond Audio MICRO4V2 - MICROV2 Series 4-Channel Full Range Class D Amplifier

Infinity Reference-3004A Reference Series 4-channel, 75w X 4 Amplifier

Cerwin Vega Marine Stroker 4 Channel Amplifier with (2) Pair RPM Stroker 6.5 Black/Stainless and Install Kit

Cerwin Vega Marine Stroker 4 Channel Amplifier with (2) Pair RPM Stroker 8" White/Stainless and Install Kit

Cerwin Vega Marine Stroker 4 Channel Amplifier with (2) Pair RPM Stroker 8" Black/Stainless and Install Kit

Kicker 48PXA10005 Weatherproof Powersport Amplifier - 4x100-Watt 4-Channel Full-Range with 600-Watt Subwoofer Channel w/ Bass Knob Bundle

Hertz Venezia V5 - 5-Channel Marine Amplifier 220W x 4 + 780W x 1 @ 2-Ohm

Hertz 2 Pairs HMX 8-TC 8" Black Sport Grill Coaxial Marine Speakers with Venezia V4C 4-Channel Compact Marine Amplifier

ATG 1000 Watt RMS Full Range Compact Marine 4 Channel Amplifier with (4) Pair 8" RGB Black Marine Speakers

Diamond Audio HXM1100.6D Hxm Series 6-Channel Full Range Class D Amplifier; 150W X 4 @ 2Ω / 300W X 2 @ 4Ω Rms

ATG Transcend Series Amplified Speaker Upgrade for GM 200W 6.5" Coaxials with 250W 6x9" Coaxials and 1000 Watt Transcend Class A/B 4-Channel Amplifier

Cerwin-Vega VCU82 - Vega 2-Channel Amplifier / 300Wx2@2-Ohm, 200Wx2@4-Ohm, 600Wx1@4-Ohm Rms W/Remote

Cerwin-Vega VCU85 - Vega 5-Channel Amplifier / 110Wx4+320Wx1@2-Ohm, 85Wx4+200Wx1@4-Ohm Rms, Vega Compact Universal

Cerwin Vega Marine Stroker 4 Channel Amplifier with (2) Pair RPM Stroker 6.5" White/Stainless and Install Kit

Fusion MS-RA800 Apollo Marine Entertainment System With Fusion MS-AP41200 Apollo 4 Channel Marine Amplifier