4 channel amplifier

ATG Transcend Series Amplified Speaker Upgrade 250W 6.5" Components 200W 6.5" Coaxials and 1000 Watt Transcend Class A/B 4-Channel Amplifier

Hertz HCP 4D 4 Channel Amplifier Hertz CK 165 6.5" Cento Series 2-Way Component Hertz CX 165 Cento 2-Way Coaxial Speakers

Alpine S2-A55V S-Series Class-D 5-Channel Amplifier, Hi-Res Certified, 40W x 4 + 200W x 1 @ 4 Ω, 60W x 4 + 300W x 1 @ 2 Ω

Hertz SP 4.900 D-Class 4 Channel Amplifier with 1 Pair of SV-200-NEO 8 in. (200mm) SPL 4-Ohm Midrange Speakers and 1 Pair of ST-25A-NEO 1" High Eff...

MTX TH400.4 - Thunder Series Amplifier, 4-Channel 400 Watts

Memphis Audio MM900.6V 6-Channel Marine Amplifier, 125x4 + 200x2 at 2 Ohm

Cerwin Vega Marine Bass Upgrade 4 Channel Amplifier with (2) 10" 4-Ohm White Subwoofers and Install Kit

AudioControl ACX-650.5 All Weather 50 watts RMS x 4 at 4 ohms + 350 watts RMS x 1 at 2 ohms 5 Channel Amplifier 4 Gauge OFC Pure Copper Wiring Kit

Hertz HTX 8 M-CL-TW.2 -8 in. Coax Tower Speaker - Total White includes Clamp ( Pair ) & Venezia Compact V4C - 4-Channel Compact Marine Amplifier B...

Memphis Audio PRX800.5V2 5 Channel 800 Watt Amplifier - 100 Watts RMS x 4 + 400 Watts x 1 at 2-Ohm

Hertz 2 Pairs HMX 6.5-TC 6 1/2" Black Sport Grill Coaxial Marine Speakers with Venezia V4C 4-Channel Compact Marine Amplifier

Hertz 2 Pairs HMX 6.5-TW 6 1/2" White Sport Grill Coaxial Marine Speakers with Venezia V4C 4-Channel Compact Marine Amplifier

Kicker Ultimate High Power Marine Amplifier Add-On – KXMA1200.2 2x600W 2-Channel Amp, 4 Gauge Wiring Kit & RCA Cables – DIY Pontoon & Wake Boat Upg...

Hertz SP-4.500 D-Class 4 Channel Amplifier with 1 Pair of SV-165-NEO 6.5" 4-Ohm SPL Midrange Speaker Drivers and 1 Pair of ST-35K-NEO 35mm High Eff...

ATG Marine Audio Bundle: Includes 4 channel amplifier and two pairs of 8" RGB LED White Speakers

ATG Marine Audio Bundle - Includes 4 channel amplifier and two pairs of 8" RGB LED Black Speakers

Alpine PWE-S8 Compact 8-Inch Powered Subwoofer System & KTA-450 4-Channel Power Pack Amplifier Bundle

Kicker 48PXA10005 Weatherproof Powersport Amplifier - 4x100-Watt 4-Channel Full-Range with 600-Watt Subwoofer Channel

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

Hertz SP-4.500 D-Class 4 Channel Amplifier with 2 pairs of SX-165-NEO SPL Show Series 6.5" Two-Way SPL Coaxial Speakers

Kicker Complete Marine Amplifier Upgrade Kit – KXMA900.5 5-Channel Amp (4x125W + 400W Sub), 4 Gauge Wiring & RCA Cables – DIY Pontoon & Wake Boat S...

Diamond Audio MICRO4V2 Series 4-Channel Full Range Class D Amplifier with MSTLINK T-Harness for '14-23 HD Factory Radios to Aftermarket Amplifiers

MTX TH800.4 - Thunder Series Amplifier, 4-Channel 800 Watts

Kicker High Power Marine Amplifier Add-On – KXMA400.2 2x200W 2-Channel Amp, 4 Gauge Wiring Kit & RCA Cables – DIY Pontoon & Wake Boat Upgrade for T...