4 channel amplifier

VEVOR 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 420W @ 4 Ohm / 4 x 600W @ 2 Ohm, Black

Pyle PLMRA400 4-Ch. Elite Series Waterproof Marine Amplifier—400 Watt 4-Channel Amp System with Dual MOSFET Power Supply

Pyle 4-Ch. Waterproof Rated Marine Amplifier (PLMTR4A) - 1200 Watt, Weather-Resistant, Rugged Construction

VEVOR 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 120W @ 4 Ohm / 4 x 200W @ 2 Ohm, Black

VEVOR 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class A/B Full Range Amp Max Power 4 x 200W @ 4 Ohm / 4 x 400W @ 2 Ohm, Gray

VEVOR 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 272W @ 4 Ohm / 4 x 400W @ 2 Ohm, Gray

VEVOR 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class D Full Range Amp Max Power 4 x 110W @ 4 Ohm / 4 x 160W @ 2 Ohm, Gray

VEVOR 4 Channel Car Audio Amplifier 2 Ohm Stable Bridgeable Class A/B Full Range Amp Max Power 4 x 250W @ 4 Ohm / 4 x 500W @ 2 Ohm, Black

4-Channel Bluetooth Home Audio Amplifier for Streaming with FM Radio, MP3/USB/SD Playback + AUX Input

Infinity PRIMUS90041A 4 Channel, 90W x 4 Amplifier

Autotek 1200 Watt 4 Channel Car Audio Amplifier with Bass Knob, High Output Class D Mono Bridged 4 Ohm Stable Input, Street Machine, SM-1200.4D, Black

4-Channel Marine Amplifier for Boats with High Power, Compact Design, 12V Compatible

4-Channel Headphone Amplifier for Group Listening with Independent Volume Controls, 4 Outputs, Easy Connection

MTX Audio JH7005 Jackhammer Series 90W x 4 & 450W x 1 @ 2-Ohm Full Range Class D 5-Channel Amplifier

Jensen JAFOUR 4 Channel MOSFET Amplifier 125 Watts

Alpine R2-A60F R-Series 4-Channel Amplifier & Alpine RUX-H01 Remote Bass Knob Bundle

4 Channel Car Stereo Amplifier for Enhanced Sound Quality with Adjustable Gain, Compatible with All Vehicles

Alpine Status HDA-F60 Hi-Res 4-Channel Amplifier & Alpine RUX-H01 Remote Bass Knob Bundle

Alpine Status HDA-F60 Hi-Res 4-Channel Amplifier, 100W x 4 at 4-Ohm, 150W x 4 at 2-Ohm

Memphis Audio 76PRX500.4V2 Special Edition 4 Channel 500 Watt Amplifier - 125 Watts RMS x 4 at 2-Ohm

Waterproof 4-Channel Marine Amplifier for Boating with Volume Control, RCA & High/Low Level Inputs, 1200W Max

4-Channel Bridgeable Car Amplifier 4000 Watt with Adjustable Gain, Compact Design, Great for Sound Enhancement

Cerwin-Vega SRPM700.4DW - RPM Series "Stroker-Powered" 4-Channel Amplifier / 100Wx4@4.0 Rms / 700W Max Rms

Kicker KMA600.4 Marine 4-Channel Amplifier Kit with 4 Gauge Wiring & RCA Cables – DIY Boat Audio Upgrade Add-On for Pontoon & Wake Boats, Power Cab...