Shop 4 amplifier

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$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$329.99
JL Audio RD400/4 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
81
$329.99
JL Audio RD400/4 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
81
$749.99
OSD MX880 Gen2 4 -Zone, 8-Channel Power Amplifier
Crutchfield
180
$749.99
OSD MX880 Gen2 4 -Zone, 8-Channel Power Amplifier
Crutchfield
180
$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
$239.96
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$239.96
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$529.95
MTX MA400.4 4-Channel Marine Amplifier - 50 Watts RMS X 4 At 4 Ohms
Crutchfield
$529.95
MTX MA400.4 4-Channel Marine Amplifier - 50 Watts RMS X 4 At 4 Ohms
Crutchfield
$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
8
$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
8
$479.95
Ds18 4-Channel Marine IPX5 Amplifier, 150 X 4 Watts 4-Ohm | By West Marine
WestMarine
Free shipping
$479.95
Ds18 4-Channel Marine IPX5 Amplifier, 150 X 4 Watts 4-Ohm | By West Marine
WestMarine
Free shipping
$4,762.00
Powersoft Quattrocanali 4804 DSP 4,800-Watt 4-Channel Power Amplifier 4,800W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$4,762.00
Powersoft Quattrocanali 4804 DSP 4,800-Watt 4-Channel Power Amplifier 4,800W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$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+
$6,000.00
Mcintosh MI254 4-Channel Power Amplifier
Crutchfield
$6,000.00
Mcintosh MI254 4-Channel Power Amplifier
Crutchfield
$314.99
Rockford Fosgate M2-300X4 M2 Series 4-Channel Marine Amplifier - 50 Watts RMS X 4
Crutchfield
2
$314.99
Rockford Fosgate M2-300X4 M2 Series 4-Channel Marine Amplifier - 50 Watts RMS X 4
Crutchfield
2
$1,074.99
JL Audio HD Series HD600/4 4-Channel Amplifier - 150 Watts RMS X 4
Crutchfield
20
$1,074.99
JL Audio HD Series HD600/4 4-Channel Amplifier - 150 Watts RMS X 4
Crutchfield
20
$489.00
Morel MPS 4.400 4-Channel Car Amplifier - 70 Watts RMS X 4
Crutchfield
31
$489.00
Morel MPS 4.400 4-Channel Car Amplifier - 70 Watts RMS X 4
Crutchfield
31
$299.99
$329.99
Pyle 4 Multi-Zone Stereo Amplifier - 19" Rack Mount, Powerful 8000 Watts With Speaker Selector Volume Control & LED Audio Level Display, 4-Ch.
Amazon.com
291
Free shipping
$299.99
$329.99
Pyle 4 Multi-Zone Stereo Amplifier - 19" Rack Mount, Powerful 8000 Watts With Speaker Selector Volume Control & LED Audio Level Display, 4-Ch.
Amazon.com
291
$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
$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
$149.95
Rockville RPM45BT 1800W Powered 4 Channel Mixer/Amplifier W Bluetooth/EQ/Effects
Rockville Audio
256
Free shipping
$149.95
Rockville RPM45BT 1800W Powered 4 Channel Mixer/Amplifier W Bluetooth/EQ/Effects
Rockville Audio
256
$269.95
Alpine KTA-450 Power Pack Compact 4-Channel Car Amplifier - 50 Watts RMS X 4
Crutchfield
356
$269.95
Alpine KTA-450 Power Pack Compact 4-Channel Car Amplifier - 50 Watts RMS X 4
Crutchfield
356
$158.00
Sony XMS400D Compact 4-Channel Car Amplifier - 45 Watts RMS X 4
Crutchfield
113
$158.00
Sony XMS400D Compact 4-Channel Car Amplifier - 45 Watts RMS X 4
Crutchfield
113
$96.80
Bluetooth Marine Amplifier 60W X 4 Channel - Class D Full Range Powersport Amp - Switch Mount Remote, Easy Installation - Compact Bluetooth Amplifier
Amazon.com
17
Free shipping
$96.80
Bluetooth Marine Amplifier 60W X 4 Channel - Class D Full Range Powersport Amp - Switch Mount Remote, Easy Installation - Compact Bluetooth Amplifier
Amazon.com
17
$1,399.99
JL Audio MHD600/4 4-Channel Marine Amplifier - 150 Watts RMS X 4
Crutchfield
$1,399.99
JL Audio MHD600/4 4-Channel Marine Amplifier - 150 Watts RMS X 4
Crutchfield
$2,922.00
Powersoft Quattrocanali 1204 DSP 1,200-Watt 4-Channel Power Amplifier 1,200W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$2,922.00
Powersoft Quattrocanali 1204 DSP 1,200-Watt 4-Channel Power Amplifier 1,200W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$1,130.00
QSC SPA4-60 60W 4-Channel 70V Power Amplifier 4-Channel Power Amplifier, 60-Watts/Channel At 4/8 Ohms, With Bridgeable Outputs, 70V/100V Direct
Sweetwater
1
$1,130.00
QSC SPA4-60 60W 4-Channel 70V Power Amplifier 4-Channel Power Amplifier, 60-Watts/Channel At 4/8 Ohms, With Bridgeable Outputs, 70V/100V Direct
Sweetwater
1
$260.99
Sundown Audio HZ-100.4 Horizon Series 4-Channel Amplifier - 100 Watts RMS X 4
Crutchfield
$260.99
Sundown Audio HZ-100.4 Horizon Series 4-Channel Amplifier - 100 Watts RMS X 4
Crutchfield
$1,599.00
Rotel RMB-1504 4-Channel Power Amplifier
Crutchfield
2
$1,599.00
Rotel RMB-1504 4-Channel Power Amplifier
Crutchfield
2
$598.00
Sony XM-4ES Mobile ES(Tm) Series 4-Channel Car Amplifier - 100 Watts RMS X 4
Crutchfield
1
$598.00
Sony XM-4ES Mobile ES(Tm) Series 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
$239.00
Kubota RTV 4-Channel Amplifier With Bluetooth By Navatlas
EverythingKubotaRTV.com
$239.00
Kubota RTV 4-Channel Amplifier With Bluetooth By Navatlas
EverythingKubotaRTV.com
$352.49
Sundown Audio Saev4-150.4 600W 4-Channel Amplifier
mooncarstereo
$352.49
Sundown Audio Saev4-150.4 600W 4-Channel Amplifier
mooncarstereo
$359.99
Focal AP 4.380 4-Channel Car Amplifier - 70 Watts RMS X 4
Crutchfield
$359.99
Focal AP 4.380 4-Channel Car Amplifier - 70 Watts RMS X 4
Crutchfield
$339.95
MTX MUD100.4 Compact 4-Channel Powersports/Marine Amplifier - 50 Watts RMS X 4
Crutchfield
1
$339.95
MTX MUD100.4 Compact 4-Channel Powersports/Marine Amplifier - 50 Watts RMS X 4
Crutchfield
1
$3,043.99
Atlasied AZMP4 Atmosphere 600W Power Amplifier & 4-Zone Audio Processor 4-Zone 6X4 Channel Powered Audio Processor With 600W Amplifier Plus 2
Sweetwater
$3,043.99
Atlasied AZMP4 Atmosphere 600W Power Amplifier & 4-Zone Audio Processor 4-Zone 6X4 Channel Powered Audio Processor With 600W Amplifier Plus 2
Sweetwater
$439.99
Rockford Fosgate Power T400-4 4-Channel Car Amplifier 60 Watts X 4
Crutchfield
62
$439.99
Rockford Fosgate Power T400-4 4-Channel Car Amplifier 60 Watts X 4
Crutchfield
62
$1,295.00
QSC SPA4-100 4-Channel Power Amplifier 4-Channel Power Amplifier, 100-Watts/Channel At 4/8 Ohms, With Bridgeable Outputs, 70V/100V Direct Drive, And
Sweetwater
1
$1,295.00
QSC SPA4-100 4-Channel Power Amplifier 4-Channel Power Amplifier, 100-Watts/Channel At 4/8 Ohms, With Bridgeable Outputs, 70V/100V Direct Drive, And
Sweetwater
1
$8,610.00
Danley Sound Labs D5K4-DSP 1,000-Watt 4-Channel Power Amplifier 4-Channel Power Amplifier, 2,000W At 8 Ohms Bridged, With DSP
Sweetwater
$8,610.00
Danley Sound Labs D5K4-DSP 1,000-Watt 4-Channel Power Amplifier 4-Channel Power Amplifier, 2,000W At 8 Ohms Bridged, With DSP
Sweetwater
The Top 5 Best 4-Channel Amps in 2025 - Must Watch Before Buying!
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The Top 5 Best 4-Channel Amps in 2025 - Must Watch Before Buying!
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YouTubeThe Best Picks
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4 CH CAR Amplifier Complete Wiring & Sound Settings
730.2K viewsNov 14, 2021
YouTubeAuxtics Technologies
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How To Set Up An Amplifier [Bridge vs Parallel vs Stereo]
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YouTubeAudio University
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How to install a car amplifier with a factory stereo | Crutchfield
457.8K viewsAug 13, 2024
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Kicker KEY200.4 - Compact Smart 4-Channel Amplifier
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YouTubeBeyond Soup by Jaed Arzadon
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Review Best Multi-Zone Powered Audio Mixer Amplifiers with 4 Zon…
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Amplifier Tuning Settings How To - Gain, Crossovers, Bass Boost
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2 ways to set your car amp gain | Crutchfield
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Car Audio Amplifier Basics! The path to better sound EXPLAINED!
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Can This TINY 4ch Car Audio Amp Really Do 800 watts?
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Shop 4 amplifier

Sponsored
About our ads
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$249.99
JL Audio JD400/4 JD Series 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
7
$329.99
JL Audio RD400/4 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
81
$329.99
JL Audio RD400/4 4-Channel Car Amplifier - 75 Watts RMS X 4
Crutchfield
81
$749.99
OSD MX880 Gen2 4 -Zone, 8-Channel Power Amplifier
Crutchfield
180
$749.99
OSD MX880 Gen2 4 -Zone, 8-Channel Power Amplifier
Crutchfield
180
$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
$239.96
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$239.96
Kicker KMA360.4 KMA Series 4-Channel Marine Amplifier - 65 Watts RMS X 4
Crutchfield
17
$529.95
MTX MA400.4 4-Channel Marine Amplifier - 50 Watts RMS X 4 At 4 Ohms
Crutchfield
$529.95
MTX MA400.4 4-Channel Marine Amplifier - 50 Watts RMS X 4 At 4 Ohms
Crutchfield
$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
8
$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
8
$479.95
Ds18 4-Channel Marine IPX5 Amplifier, 150 X 4 Watts 4-Ohm | By West Marine
WestMarine
Free shipping
$479.95
Ds18 4-Channel Marine IPX5 Amplifier, 150 X 4 Watts 4-Ohm | By West Marine
WestMarine
Free shipping
$4,762.00
Powersoft Quattrocanali 4804 DSP 4,800-Watt 4-Channel Power Amplifier 4,800W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$4,762.00
Powersoft Quattrocanali 4804 DSP 4,800-Watt 4-Channel Power Amplifier 4,800W, 4-Channel Power Amplifier With Switched-Mode Output Stage, Smart Rail
Sweetwater
$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+
$6,000.00
Mcintosh MI254 4-Channel Power Amplifier
Crutchfield
$6,000.00
Mcintosh MI254 4-Channel Power Amplifier
Crutchfield
$314.99
Rockford Fosgate M2-300X4 M2 Series 4-Channel Marine Amplifier - 50 Watts RMS X 4
Crutchfield
2
$314.99
Rockford Fosgate M2-300X4 M2 Series 4-Channel Marine Amplifier - 50 Watts RMS X 4
Crutchfield
2
$1,074.99
JL Audio HD Series HD600/4 4-Channel Amplifier - 150 Watts RMS X 4
Crutchfield
20
$1,074.99
JL Audio HD Series HD600/4 4-Channel Amplifier - 150 Watts RMS X 4
Crutchfield
20
$489.00
Morel MPS 4.400 4-Channel Car Amplifier - 70 Watts RMS X 4
Crutchfield
31
$489.00
Morel MPS 4.400 4-Channel Car Amplifier - 70 Watts RMS X 4
Crutchfield
31
$299.99
$329.99
Pyle 4 Multi-Zone Stereo Amplifier - 19" Rack Mount, Powerful 8000 Watts With Speaker Selector Volume Control & LED Audio Level Display, 4-Ch.
Amazon.com
291
Free shipping
$299.99
$329.99
Pyle 4 Multi-Zone Stereo Amplifier - 19" Rack Mount, Powerful 8000 Watts With Speaker Selector Volume Control & LED Audio Level Display, 4-Ch.
Amazon.com
291
$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
$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
$149.95
Rockville RPM45BT 1800W Powered 4 Channel Mixer/Amplifier W Bluetooth/EQ/Effects
Rockville Audio
256
Free shipping
$149.95
Rockville RPM45BT 1800W Powered 4 Channel Mixer/Amplifier W Bluetooth/EQ/Effects
Rockville Audio
256