4 channel amplifier

Hifonics BG-1600.4 Brutus Gamma 4 Channel 1600W Car Audio Subwoofer Amplifier

Rockustics OS-440 Indoor/Outdoor 4-Channel Amplifier with WiFi & Bluetooth

Memphis Audio 2 Pair of MXA60L MXA 6.5" Marine Grade Coaxial Speakers w/RGB LED with a MM500.4V 4-Channel Marine Amplifier

Diamond Audio MSHD14 '14-23 HD Plug-N-Play Digital Media Receiver with Micro82U 2 Ch Full Range Class D Amplifier and 1 Pair of MSPRO65 4-Channel F...

Kicker 47KEY2004 4-Channel DSP Smart Amplifier, 4x50W w/ 51PTRTP10 10" 400w Powered Down Firing Loaded Subwoofer Enclosure Bundle

Kicker 47KEY2004 4-Channel DSP Smart Amplifier, 4x50W w/ 51HS12 Hideaway Compact Powered Subwoofer, 12-Inch Bundle

Alpine iLX-W670 Receiver with Apple CarPlay and Android Auto Includes KTA-450 4-Channel Power Pack Amplifier

Alpine UTE-83BT Advanced Bluetooth® Multimedia Receiver & KTA-30FW 4-Channel Weather Resistant Tough Power Pack Amplifier

PowerBass PBX-600.6 - 6-Channel Compact Amplifier, Class-D, 100 watts x 6 at 4-Ohms, 150 watts x 6 at 2-Ohms

Kicker Motorcycle 5.25 Inch Speakers (2 pair) with Kicker 300 watt 4 channel Power sports amplifier

ATG Transcend 2750W 5-Channel Amplifier + 12" Loaded Bass Enclosure + 4x6" & 5.25" Coaxial Car Speakers

Kicker Marine Audio Bundle – (8) 6.5" 4-Ohm Coaxial Speakers (4 Pair) with 48KXMA800.8 800W 8-Channel Amplifier – OEM Replacement Boat System

Kicker 47KEY2004 4-Channel DSP Smart Amplifier, 4x50W w/ 51HS8 Hideaway Compact Powered Subwoofer Enclosure with 8-Inch Subwoofer HS8 Bundle

Kicker 47KEY2004 4-Channel DSP Smart Amplifier, 4x50W w/ 51HS10 Hideaway Compact Powered Subwoofer, 10-Inch Bundle

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 w/ S2-S65C, S2-S65 & S2-W1...

Kenwood X803-5 X Series Class D 5-Channel Amplifier

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 w/ S2-S69 & S2-S65 Coaxial

Kenwood XR901-5 Reference Fit 5 Channel Power Amplifier w/ 75Wx4 output and 600W x 1 at 2 ohms and 1800W maximum power, Bass Knob Included

Kicker LX500.4 & LX3000.1, Amp Bundle 4-Channels Full Range Amp & Mono Subwoofer Amp. (51LX5004, 51LX30001)

Alpine Status HDA-V90 Hi-Res 5-Channel Amplifier & RS-W10D4 10-inch R-Series Shallow Subwoofer with Dual 4-Ohm Bundle

Kicker LX500.4 & LX850.1, Amp Bundle 4-Channels Full Range Amp & Mono Subwoofer Amp. (51LX5004, 51LX8501)

Kicker LX1200.5, 46KISLOAD4 Smart Radio Interface, 4-Channels Full Range 125 Watt & 700 Watt Subwoofer Channel (51LX12005)

Alpine UTE-83BT Single Din Mech-Less Receiver w/ R2-A60F R-Series 4 Channel Amplifer

Wet Sounds HTX-2: Class D 600 watt 2-channel amplifier