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$279.96
Kicker 48KMA600.4 KMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
11
$279.96
Kicker 48KMA600.4 KMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
11
$299.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$299.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$239.95
Alpine S2-A36F S-Series 4-Channel Car Amplifier - 60 Watts RMS X 4
Crutchfield
10
$239.95
Alpine S2-A36F S-Series 4-Channel Car Amplifier - 60 Watts RMS X 4
Crutchfield
10
$499.99
OSD HTX-4150 4-Channel Home Theater Amplifier
Crutchfield
8
$499.99
OSD HTX-4150 4-Channel Home Theater Amplifier
Crutchfield
8
$455.96
Kicker 48KXMA800.4 KXMA Series 4-Channel Marine Amplifier - 100 Watts RMS X 4
Crutchfield
6
$455.96
Kicker 48KXMA800.4 KXMA Series 4-Channel Marine Amplifier - 100 Watts RMS X 4
Crutchfield
6
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$158.00
Sony XMS400D Compact 4-Channel Car Amplifier - 45 Watts RMS X 4
Crutchfield
112
$158.00
Sony XMS400D Compact 4-Channel Car Amplifier - 45 Watts RMS X 4
Crutchfield
112
$375.96
Kicker 48KXMA500.4 KXMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$375.96
Kicker 48KXMA500.4 KXMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$329.99
Crux XAB-AT3 Compact 4-Channel Amplifier For Select 2018-Up Toyota And Lexus Vehicles - 45 Watts RMS X 4
Crutchfield
$329.99
Crux XAB-AT3 Compact 4-Channel Amplifier For Select 2018-Up Toyota And Lexus Vehicles - 45 Watts RMS X 4
Crutchfield
$439.95
Infinity Kappa Perfect 5004A Compact 4-Channel Powersports Amplifier - 75 Watts RMS X 4
Crutchfield
1
$439.95
Infinity Kappa Perfect 5004A Compact 4-Channel Powersports Amplifier - 75 Watts RMS X 4
Crutchfield
1
$269.95
Alpine KTA-450 Power Pack Compact 4-Channel Car Amplifier - 50 Watts RMS X 4
Crutchfield
335
$269.95
Alpine KTA-450 Power Pack Compact 4-Channel Car Amplifier - 50 Watts RMS X 4
Crutchfield
335
$699.00
Audiofrog A150.4D 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
1
$699.00
Audiofrog A150.4D 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
1
$529.99
JL Audio MX500/4 Compact Marine/Powersports 4-Channel Amplifier - 70 Watts RMS X 4
Crutchfield
25
$529.99
JL Audio MX500/4 Compact Marine/Powersports 4-Channel Amplifier - 70 Watts RMS X 4
Crutchfield
25
$499.99
Kicker 48PXA400.4 4-Channel Powersports/Marine Amplifier - 100 Watts RMS X 4
Crutchfield
2
$499.99
Kicker 48PXA400.4 4-Channel Powersports/Marine Amplifier - 100 Watts RMS X 4
Crutchfield
2
$1,199.99
Wet Sounds SYN-DX4 4-Channel Marine Amplifier - 125 Watts RMS X 4
Crutchfield
2
$1,199.99
Wet Sounds SYN-DX4 4-Channel Marine Amplifier - 125 Watts RMS X 4
Crutchfield
2
$349.95
Infinity Marine M3004A 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$349.95
Infinity Marine M3004A 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$229.00
Behringer EPQ304 75-Watt 4-Channel Power Amplifier 4-Channel Power Amplifier, 75W Peak/Ch At 4 Ohms, With Built-In Limiters, Accelerated Transient
Sweetwater
$229.00
Behringer EPQ304 75-Watt 4-Channel Power Amplifier 4-Channel Power Amplifier, 75W Peak/Ch At 4 Ohms, With Built-In Limiters, Accelerated Transient
Sweetwater
$379.99
JL Audio MX280/4 Compact Marine/Powersports 4-Channel Amplifier - 50 Watts RMS X 4
Crutchfield
50
$379.99
JL Audio MX280/4 Compact Marine/Powersports 4-Channel Amplifier - 50 Watts RMS X 4
Crutchfield
50
$399.99
Soundextreme AMP30041 4-Channel All-Weather Amplifier - 75 Watts RMS X 4
Crutchfield
$399.99
Soundextreme AMP30041 4-Channel All-Weather Amplifier - 75 Watts RMS X 4
Crutchfield
$289.00
Audiocontrol ACX-300.4 4-Channel Powersports/Marine Amplifier - 50 Watts RMS X 4
Crutchfield
2
$289.00
Audiocontrol ACX-300.4 4-Channel Powersports/Marine Amplifier - 50 Watts RMS X 4
Crutchfield
2
$499.99
Wet Sounds STX Micro 4 Compact Marine/Powersports 4-Channel Amplifier - 80 Watts RMS X 4
Crutchfield
4
$499.99
Wet Sounds STX Micro 4 Compact Marine/Powersports 4-Channel Amplifier - 80 Watts RMS X 4
Crutchfield
4
$1,049.00
$1,211.99
Atlasied CLA404 400-Watt 4-Channel Power Amplifier 400W 4-Channel Power Amplifier With Power Share And 25V/70.7V/100V Compatibility
Sweetwater
13% off
$1,049.00
$1,211.99
Atlasied CLA404 400-Watt 4-Channel Power Amplifier 400W 4-Channel Power Amplifier With Power Share And 25V/70.7V/100V Compatibility
Sweetwater
$2,202.95
$2,532.25
Crown Audio Dci 4X300 Drivecore Install Analog Series 4-Channel 4X300w Power Amplifier
Amazon.com
Free shipping
13% off
$2,202.95
$2,532.25
Crown Audio Dci 4X300 Drivecore Install Analog Series 4-Channel 4X300w Power Amplifier
Amazon.com
Free shipping
$469.00
Behringer NX4-6000 Ultra-Lightweight 6000 Watt 4 Channel Class-D Power Amplifier With Smartsense Loudspeaker Impedance Compensation
Amazon.com
81
Free shipping
$469.00
Behringer NX4-6000 Ultra-Lightweight 6000 Watt 4 Channel Class-D Power Amplifier With Smartsense Loudspeaker Impedance Compensation
Amazon.com
81
$119.95
Orion Cobalt Series CBA2500.4 High Efficiency 4-Channel Class A/B Amplifier For Car Audio Stereo - 2500W High Output, 2/4 Ohm Stable, Adjustable Low/
Amazon.com
192
Free shipping
$119.95
Orion Cobalt Series CBA2500.4 High Efficiency 4-Channel Class A/B Amplifier For Car Audio Stereo - 2500W High Output, 2/4 Ohm Stable, Adjustable Low/
Amazon.com
192
$2,810.00
Crown Audio DCI 4/300 Drivecore Install Analog Series 4-Channel Amplifier 300 - [Site Discount] DCI4300
B&H Photo-Video-Pro A
1
$2,810.00
Crown Audio DCI 4/300 Drivecore Install Analog Series 4-Channel Amplifier 300 - [Site Discount] DCI4300
B&H Photo-Video-Pro A
1
$139.95
$172.99
Hifonics Zxx-1000.4 1000 Watt 4 Channel Class A/B Bridgeable Car Amp Amplifier
Walmart
2
Free shipping
19% off
$139.95
$172.99
Hifonics Zxx-1000.4 1000 Watt 4 Channel Class A/B Bridgeable Car Amp Amplifier
Walmart
2
$749.00
Fusion Apollo MS-AP41200 4CH. Amplifier, 1200 W | By West Marine
WestMarine
1
Free shipping
$749.00
Fusion Apollo MS-AP41200 4CH. Amplifier, 1200 W | By West Marine
WestMarine
1
$139.95
Rockville RPM45 1800W Powered 4 Channel Mixer/Amplifier W USB/EQ/Effects/Phantom
Rockville Audio
1K+
Free shipping
$139.95
Rockville RPM45 1800W Powered 4 Channel Mixer/Amplifier W USB/EQ/Effects/Phantom
Rockville Audio
1K+
$109.95
$204.99
Harmony Audio 800-Watt 4-Channel Alloy Amplifier For Full Range Speaker And Subwoofer
HifiSoundConnection Bing Store
Free shipping
46% off
$109.95
$204.99
Harmony Audio 800-Watt 4-Channel Alloy Amplifier For Full Range Speaker And Subwoofer
HifiSoundConnection Bing Store
Free shipping
$149.95
Rockville RPM45BT 1800W Powered 4 Channel Mixer/Amplifier W Bluetooth/EQ/Effects
Rockville Audio
1K+
Free shipping
$149.95
Rockville RPM45BT 1800W Powered 4 Channel Mixer/Amplifier W Bluetooth/EQ/Effects
Rockville Audio
1K+
$1,295.00
QSC SPA4-100 4-Channel Power Amplifier (100W)
B&H Photo-Video-Pro A
1
$1,295.00
QSC SPA4-100 4-Channel Power Amplifier (100W)
B&H Photo-Video-Pro A
1
$164.95
Rockville RPM48S 2000W Powered 4 Channel Mixer/Stereo Amplifier W Bluetooth/EQ
Rockville Audio
58
Free shipping
$164.95
Rockville RPM48S 2000W Powered 4 Channel Mixer/Stereo Amplifier W Bluetooth/EQ
Rockville Audio
58
$169.95
Kicker 46CXA3604 4-Channel Class A/B Amplifier For Car Audio Speaker
HifiSoundConnection Bing Store
Free shipping
$169.95
Kicker 46CXA3604 4-Channel Class A/B Amplifier For Car Audio Speaker
HifiSoundConnection Bing Store
Free shipping
$38.99
$50.69
4 Channel High Power Amplifier - Slim Stereo 4 Channel Car Audio Stereo Amplifier Amp 4Ohm
Suthisa.uk
Free shipping
23% off
$38.99
$50.69
4 Channel High Power Amplifier - Slim Stereo 4 Channel Car Audio Stereo Amplifier Amp 4Ohm
Suthisa.uk
Free shipping
Car Amplifier Installation Guide: How to Install a 4-Channel Amplifier
Car Amplifier Installation Guide: How to Install a 4-Channel Amplifier
14.1K viewsFeb 24, 2023
sonicelectronix.com
4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [Douk Audio M4]
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4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home …
1 viewsApr 16, 2020
amazon
Admark new amp, AD442, the biggest 4ch ever. One amplifier for 8 double 21inch subwoof.
Admark new amp, AD442, the biggest 4ch ever. One amplifier fo…
12.4K viewsMar 13, 2023
YouTubeAdmark Audio
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Car Amplifier Installation
90.6K viewsNov 3, 2019
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Amplifier repair - How do car amps work?? Part 1
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How To Install a 4 Channel Amp EASY
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Should You Bi-Amp Your AV Receiver?
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Pioneer 2000 Watt 5 Channel Amplifier Unboxing | GM-D9705
30.8K viewsAug 26, 2021
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Add amplifiers like a PRO! AudioControl LC2i-PRO overview
390.2K viewsOct 23, 2020
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How to TUNE Car Amplifier & Set Gains
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A simple 5 channel Alpine amplifier install in a Hyundai
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YouTubeDo It Yourself Bri
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Shop 4CH Amplifier

Sponsored
About our ads
$279.96
Kicker 48KMA600.4 KMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
11
$279.96
Kicker 48KMA600.4 KMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
11
$299.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$299.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$239.95
Alpine S2-A36F S-Series 4-Channel Car Amplifier - 60 Watts RMS X 4
Crutchfield
10
$239.95
Alpine S2-A36F S-Series 4-Channel Car Amplifier - 60 Watts RMS X 4
Crutchfield
10
$499.99
OSD HTX-4150 4-Channel Home Theater Amplifier
Crutchfield
8
$499.99
OSD HTX-4150 4-Channel Home Theater Amplifier
Crutchfield
8
$455.96
Kicker 48KXMA800.4 KXMA Series 4-Channel Marine Amplifier - 100 Watts RMS X 4
Crutchfield
6
$455.96
Kicker 48KXMA800.4 KXMA Series 4-Channel Marine Amplifier - 100 Watts RMS X 4
Crutchfield
6
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$679.99
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$459.99
ART SLA-4 4-Channel Power Amplifier 4-Channel Power Amplifier, 100W RMS/Ch At 8 Ohms, With Flexible I/O, Smartfan Silent Cooling, Wide Frequency
Sweetwater
6
$158.00
Sony XMS400D Compact 4-Channel Car Amplifier - 45 Watts RMS X 4
Crutchfield
112
$158.00
Sony XMS400D Compact 4-Channel Car Amplifier - 45 Watts RMS X 4
Crutchfield
112
$375.96
Kicker 48KXMA500.4 KXMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$375.96
Kicker 48KXMA500.4 KXMA Series 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$329.99
Crux XAB-AT3 Compact 4-Channel Amplifier For Select 2018-Up Toyota And Lexus Vehicles - 45 Watts RMS X 4
Crutchfield
$329.99
Crux XAB-AT3 Compact 4-Channel Amplifier For Select 2018-Up Toyota And Lexus Vehicles - 45 Watts RMS X 4
Crutchfield
$439.95
Infinity Kappa Perfect 5004A Compact 4-Channel Powersports Amplifier - 75 Watts RMS X 4
Crutchfield
1
$439.95
Infinity Kappa Perfect 5004A Compact 4-Channel Powersports Amplifier - 75 Watts RMS X 4
Crutchfield
1
$269.95
Alpine KTA-450 Power Pack Compact 4-Channel Car Amplifier - 50 Watts RMS X 4
Crutchfield
335
$269.95
Alpine KTA-450 Power Pack Compact 4-Channel Car Amplifier - 50 Watts RMS X 4
Crutchfield
335
$699.00
Audiofrog A150.4D 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
1
$699.00
Audiofrog A150.4D 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
1
$529.99
JL Audio MX500/4 Compact Marine/Powersports 4-Channel Amplifier - 70 Watts RMS X 4
Crutchfield
25
$529.99
JL Audio MX500/4 Compact Marine/Powersports 4-Channel Amplifier - 70 Watts RMS X 4
Crutchfield
25
$499.99
Kicker 48PXA400.4 4-Channel Powersports/Marine Amplifier - 100 Watts RMS X 4
Crutchfield
2
$499.99
Kicker 48PXA400.4 4-Channel Powersports/Marine Amplifier - 100 Watts RMS X 4
Crutchfield
2
$1,199.99
Wet Sounds SYN-DX4 4-Channel Marine Amplifier - 125 Watts RMS X 4
Crutchfield
2
$1,199.99
Wet Sounds SYN-DX4 4-Channel Marine Amplifier - 125 Watts RMS X 4
Crutchfield
2
$349.95
Infinity Marine M3004A 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$349.95
Infinity Marine M3004A 4-Channel Marine Amplifier - 75 Watts RMS X 4
Crutchfield
1
$229.00
Behringer EPQ304 75-Watt 4-Channel Power Amplifier 4-Channel Power Amplifier, 75W Peak/Ch At 4 Ohms, With Built-In Limiters, Accelerated Transient
Sweetwater
$229.00
Behringer EPQ304 75-Watt 4-Channel Power Amplifier 4-Channel Power Amplifier, 75W Peak/Ch At 4 Ohms, With Built-In Limiters, Accelerated Transient
Sweetwater