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4-Channel Amps

Hear the music the way it was meant to be heard by adding or upgrading your 4 Channel amp. Our product experts and professional installers have the experience to get you the sound you deserve.

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4-Channel Amps
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Alpine KTP-445U 4-Channel Power Pack Amplifier
Alpine KTP-445U 4-Channel Power Pack Amplifier
Alpine
KTP445U
(0 Reviews)
  • 45 Watts x 4 @ 4Ω/2Ω
  • 90 Watts x 2 @ 4Ω Bridged
  • For aftermarket and factory installed systems
  • Compact size
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$289.99
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Alpine
KTP445U
(0 Reviews)
Alpine KTP-445U 4-Channel Power Pack Amplifier Add higher output and more dynamic response with this...
Alpine S2-A36F S-Series Hi-Res 4-Channel Amplifier
Hi Res Audio
Alpine S2-A36F S-Series Hi-Res 4-Channel Amplifier
Alpine
S2A36F
(0 Reviews)
item
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$249.99$229.96
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Alpine
S2A36F
(0 Reviews)
Alpine S2-A36F S-Series Hi Res 4-Channel Amplifier Product Overview Entry-level sound just got elevated with...
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 400 Watts
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 400 Watts
JL AUDIO
XDM4004
(0 Reviews)
  • 100W x 4 @ 2 ohms / 75W x 4 @ 4 ohms - 14.4V
  • Designed for Car or Boat Installations
  • Built with Marine-Grade Materials
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$649.99$584.96
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JL AUDIO
XDM4004
(0 Reviews)
JL Audio XDM400/4 4-Channel Car/Marine Amplifier - 400 Watts The ultra-compact XDM400/4 packs a serious...
JL Audio JD400/4 Top Angle
JL Audio JD400/4 400 Watt 4-Channel Full-Range Class D Amplifier
JL AUDIO
JD4004
(0 Reviews)
  • At 4 Ohms: 75 Watts RMS x 4 @ 14.4 V
  • At 2 Ohms: 100 Watts RMS x 4 @ 14.4 V
  • Bridged At 4 Ohms: 200 Watts RMS x 2 @ 14.4 V
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$279.99
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JL AUDIO
JD4004
(0 Reviews)
JL Audio JD400/4 400 Watt 4-Channel Full-Range Class D Amplifier Utilizing our exclusive NexD™ high-speed...
Alpine HDA-F60 Status Hi-Res 4-Channel Amplifier
Alpine HDA-F60 Status Hi-Res 4-Channel Amplifier
Alpine
HDAF60
(0 Reviews)
  • 100 Watts x 4 @ 4Ω
  • 150 Watts x 4 @ 2Ω
  • Hi-Res Audio Playback (192kHz/24Bit)
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$850.00$799.99
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Alpine
HDAF60
(0 Reviews)
Alpine HDA-F60 Status Hi-Res 4-Channel Amplifier With the highest quality music streaming available on the...
MTX Mobile THUNDER75.4 400W RMS 4-Channel Thunder Series Amplifier
MTX Mobile THUNDER75.4 400W RMS 4-Channel Thunder Series Amplifier
MTX
THUND754
(0 Reviews)
  • 75w x 4 @ 4Ω, 100w x 4 @ 2Ω
  • Compact design with small footprint
  • Variable HPF and LPF with 12db/oct x-overs
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$219.99
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MTX
THUND754
(0 Reviews)
MTX THUNDER75-4 400-Watt RMS 4-Channel Class A/B Amplifier MTX THUNDER..A name synonymous with car audio...
Sony XM-S400D 4-Channel Class D Amplifier
Sony XM-S400D 4-Channel Class D Amplifier
Sony
XMS400D
(0 Reviews)
  • 45 Watt x 4 Class D Amplifier
  • High/Low Level Input
  • Small Footprint Design
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$149.99
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Sony
XMS400D
(0 Reviews)
Sony XM-S400D 4-Channel Class D Amplifier Power up your in-car sound with the XM-S400D stereo...
JL Audio HD600/4 4-Channel Full-Range Class D Amplifier
JL Audio HD600/4 4-Channel Full-Range Class D Amplifier
JL AUDIO
HD6004
(0 Reviews)
  • 2" Tall Chassis
  • 4 Channels at 150 Watts RMS
  • Variable High and Low-Pass Filter
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$1,099.99
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JL AUDIO
HD6004
(0 Reviews)
JL Audio HD600/4 4-Channel Full-Range Class D Amplifier Overview 4-Channel Class D Full-Range Amplifier, 150...
Alpine X-A70F 4/3/2 Channel Power Density Amplifier
Alpine X-A70F 4/3/2 Channel Power Density Amplifier
Alpine
XA70F
(0 Reviews)
  • Class-D Performance
  • Rotatable Illuminated Alpine Badge
  • Top-Side Control Panel
  • Remote Bass (RUX-KNOB.2) Compatible
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$799.99
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Alpine
XA70F
(0 Reviews)
Alpine X-A70F 4/3/2 Channel Power Density Amplifier Revolutionizing How Your Music FeelsHear and feel the...
Kenwood eXcelon X302-4 600W Class-D 4-Channel Car Audio Amplifier w/ Bass Boost
Kenwood eXcelon X302-4 600W Class-D 4-Channel Car Audio Amplifier w/ Bass Boost
Kenwood
X3024
(0 Reviews)
  • 4-channel Class D car amplifier
    • 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms)
    • 150 watts RMS x 2 bridged at 4 ohms (4-ohm stable when bridged)
  • variable high- and low-pass filters (50-200 Hz, 12 dB/octave)
  • variable bass boost on B channels (0-18 dB at 40 Hz)
  • preamp and speaker-level inputs
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$199.99
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Kenwood
X3024
(0 Reviews)
Kenwood eXcelon X302-4 4-Channel Amplifier 4-channel Class D car amplifier 50 watts RMS x 4...
Alpine S-A32F S Series 4 Channel Car Audio Amplifier, 80 Watts RMS x 4, 2 Ohms
Alpine S-A32F S Series 4 Channel Car Audio Amplifier, 80 Watts RMS x 4, 2 Ohms
Alpine
SA32F
(0 Reviews)
  • Alpine’s Class D Amplifier Circuit
  • CTA-2006-B Power Rating: 55W RMS x 4 (4ohm, 14.4V ≤ 1% THD+N); 80W RMS x 4 (2ohm, 14.4V≤ 1% THD+N)
  • Bridged: 160W RMS x 2 (4ohm, 14.4V ≤ 1% THD+N)
  • S/N ratio: >83dB (ref: 1W into 4 ohm), >98dB (ref: rated power into 4 ohm)
  • THD+N ≤ 0.03% (ref 1W info 4 ohm)
  • Frequency Response: 10Hz-30kHz (+/-3 dB)
  • Damping Factor: > 100
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$219.99$129.96
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Alpine
SA32F
(0 Reviews)
Alpine S-A32F S-Series 4-Channel Amplifier S-Series amplifiers are your sound system’s workhorse. With unmatched reliability...
Alpine KTA-450 Power Pack Amplifier Compact Car Amp, Fits Behind iLX-W650 Stereo
Alpine KTA-450 Power Pack Amplifier Compact Car Amp, Fits Behind iLX-W650 Stereo
Alpine
KTA450
(0 Reviews)
  • Compact size, measuring just 7” W x 3.5” H x 1.25” D
  • Class D amplifier circuit
  • Dynamic Peak Power (DPP) technology doubles the power during dynamic musical passages
  • The KTA-450 used with the iLX-W650 is a 2019 CES Innovation Awards Winner
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$219.99
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Alpine
KTA450
(0 Reviews)
Alpine KTA-450 4-Channel Power Pack Amplifier with PowerStack Capability The next generation of Power Pack...
AudioControl ACX-650.5 All Weather 5-Channel Amplifier, for Boat/UTV/Motorcycle
AudioControl ACX-650.5 All Weather 5-Channel Amplifier, for Boat/UTV/Motorcycle
AudioControl
ACX6505
(0 Reviews)
  • 4 x 50 Watts @ 4 Ohms, 1 x 200 Watts @ 4 Ohms
  • 4 x 75 Watts @ 2 Ohms, 1 x 350 Watts @ 2 Ohms
  • IPX6 Rated
Available in Store
$559.99
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AudioControl
ACX6505
(0 Reviews)
Audio Control ACX-650.5 All Weather 5-Channel Amplifier AudioControl’s ACX-650.5 all-weather amplifier delivers honest power levels...
Kicker 46CXA360.4T (46CXA3604) CX Series 4-Channel Car Amplifier, 180 Watts RMS
Kicker 46CXA360.4T (46CXA3604) CX Series 4-Channel Car Amplifier, 180 Watts RMS
Kicker
46CXA3604
(0 Reviews)
  • Class A/B full-range channels
  • Three-second turn-on/off delay to eliminate unwanted interference
  • Variable 12dB crossovers provides control to dial in perfect sound
  • Small footprint for easier installation
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$249.99$206.96
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Kicker
46CXA3604
(0 Reviews)
Kicker 46CXA3604 Car Audio 4 Channel Amp 720W Peak Speaker Amplifier Using Class A/B power,...
Diamond Audio MICRO84U 4-Channel Full Range Class D Powersports Amplifier, 600 W
Diamond Audio MICRO84U 4-Channel Full Range Class D Powersports Amplifier, 600 W
Diamond Audio Technology
MICRO84U
(0 Reviews)
  • 165 Watts x 4 @ 2 Ohms | 90 Watts x 4 @ 4 Ohms
  • 330 Watts x 2 @ 4 Ohms Bridged RMS Power
  • All-Weather Application
Available in Store
$649.99
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Diamond Audio Technology
MICRO84U
(0 Reviews)
Diamond Audio MICRO84U 4-Channel Class D Amplifier Developed and engineered from the ground up, these...
Alpine R-A60F R-Series 4 Channel Car Amplifier, Class D Power Density Amp, 600W
Alpine R-A60F R-Series 4 Channel Car Amplifier, Class D Power Density Amp, 600W
Alpine
RA60F
(0 Reviews)
  • Alpine’s Class D Amplifier Circuit with Dual Post-Filter Feedback Loops
  • CTA-2006-B Power Rating: 100W RMS x 4 (4ohm, 14.4V ≤ 1% THD+N); 150W RMS x 4 (2ohm, 14.4V≤ 1% THD+N)
  • Bridged: 300W x 2 (4ohm, 14.4V, ≤1% THD+N)
  • S/N ratio: >85dB (ref: 1W into 4 ohm), 106dB (at rated power)
  • THD+N ≤0.03% (ref: 1W into 4 ohm)
Available in Store
$499.99$224.96
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Alpine
RA60F
(0 Reviews)
Alpine R-A60F R-Series Four Channel Amplifier Alpine’s Class D Amplifier Circuit with Dual Post-Filter Feedback...
MB Quart RA1-280.4 Reference 4-Channel 280 Watt Max Car Audio Speaker Amplifier
MB Quart RA1-280.4 Reference 4-Channel 280 Watt Max Car Audio Speaker Amplifier
MB Quart
RA12804
(0 Reviews)
  • DC Sensing
  • Top Mounted System Controls
  • Variable Electronic Crossover
Out of Stock
$239.99
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MB Quart
RA12804
(0 Reviews)
MB Quart RA1-280.4 Reference 280 Watt 4-Channel Amplifier MB Quart Reference series four channel car...

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