4 Channel Amp

Before you decide to buy a 4 channel amp, you need to understand what exactly you are getting and the type of configuration being installed in your vehicle.

A 4 Channel Amplifier is used in a scenario where  the 4 door speakers need to be powered by an amp. They are bridgeable for multiple set up options.

We have compiled a list of the best 4 channel amps  so as to make it easy for you to make a decision based on quality and nothing else.

Best 4 Channel Amp Buyer’s Guide

Amplifier Power Output 
Rockford Fosgate R400-4D
4 Channel Amp
75 watts RMS x 4 at 4 ohms
200 watts RMS x 2 bridged
Hifonics ZRX1016.4 Zeus
4 Channel Amp
4 ohms: 125 watts x 4 chan.

2 ohms: 250 watts x 4 chan.

Bridged, 4 ohms: 500 watts x 2 chan.
Rockford R300X4
4 Channel Amp
50 watts RMS x 4 at 4 ohms
150 watts RMS x 2 bridged
New Kenwood KAC-8406 900
4 Channel Amp
70 watts RMS x 4
200 watts RMS x 2 bridged
Alpine MRV-F300
4 Channel Amp
50 watts RMS x 4 at 4 ohms
150 watts RMS x 2 bridged
Sound Storm PSY1600.4
4 Channel Amp
4 ohms: 150 watts x 4 chan.
2 ohms: 400 watts x 4 chan.
Bridged, 4 ohms: 800 watts x 2 chan
SOUND STORM EV4.400
4 Channel Amp
4 ohms: 100 watts x 4 chan.
KICKER DX400.4 400W
4 Channel Amp
4 ohms: 50 watts x 4 chan.

2 ohms: 100 watts x 4 chan
Lanzar VIBE452N
4 Channel Amp
x 1250 Watts RMS @ 4 Ohms

4 x 1500 Watts Max @ 4 Ohms

2 x 3000 Watts Max @ 4 Ohms Bridged
4 x 2000 Watts @ 2 Ohms RMS
  1. Rockford Fosgate R400-4D 400 Watt Full-Range Class-D 4-Channel Amplifier

This amp is more compact than the previous models and features upgraded cast aluminum heat-sink and piano-black finish on the chassis. This 4 channel amp uses technology borrowed from Rockford’s high end amp like the 18dbs cross over.

Rockford Fosgate R400-4D 400 is CEA-2006 compliant which means their ratings are certified and can be trusted.

Features:

4-channel car amplifier

75 watts RMS x 4 at 4 ohms (100 watts RMS x 4 at 2 ohms)

200 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)

CEA-2006 Compliant

variable high- and low-pass filters (50-250 Hz, 12 dB/octave)

variable Punch EQ bass/treble boost (0-18 dB at 45 Hz and 12,000 Hz)

Class-D amplifier design

MOSFET power and output stages4 Channel Amp

frequency response: 20-20,000 Hz

preamp inputs and outputs

9-1/8″W x 2″H x 7-3/8″D

What you get in the box:

4-Channel amplifier

3mm Hex key

Installation & Operation Manual

Amplifier Verification Certificate

4 Self-tapping screws (length=1-5/8″)

 

Verdict

This 4 channel amp comes highly recommended especially to those  who are searching for a quality amplifier at a realistic entry level price point. It is value driven and performs much better than other amps in its class.

  1. Hifonics ZRX1016.4 Zeus Car Audio Amplifier, 4-Channel 1000-Watt

It features a throwback look to the original Hifonics amps that are the pioneers of the car audio craze. Just like all Hifonics amplifiers, the logo glows blue giving you that modern look that you would expect from a 4 channel amplifier.

It has both speaker level and RCA inputs for connecting to either factory or after-market audio systems.

With features like variable bass boost, variable low pass filter and subsonic filter, you are able to tune the amp to best suit your vehicle.

Features:

  • Zeus Series 4-Channel Class AB Car Amplifier
  • Max Power Rating:

4 ohms: 125 watts x 4 chan.

2 ohms: 250 watts x 4 chan.

Bridged, 4 ohms: 500 watts x 2 chan.

Max power output: 1000 watts 4 Channel Amp

  • Variable Bass Boost (0 to +12 dB bass boost at 45 Hz)
  • 4/3/2 channel operation
  • Speaker-level (high-level) inputs
  • Variable high-pass filter (60-1200 Hz, 24 dB/octave)
  • Variable low-pass filter (30-250 Hz, 24 dB/octave)
  • Frequency Response: 10-45,000 Hz
  • Old School Hifonics heatsink provides superior heat dissipation
  • Military grade PCB construction
  • Simpatico coil design
  • Hifonics surface mount design
  • DC, short circuit, thermal and overload protection
  • Dimensions: 10″Wx 15.7″L x 2.4″H

Verdict

If you are looking for efficiency and power, the Hifonics ZRX1016.4 Zeus is the perfect choice. This is a quality 4 channel amp that doesn’t break the bank.

3. Rockford R300X4 Prime 4-Channel Amplifier

This is another great 4 channel amp from Rockford. It is extremely adaptable and in addition to 4 channel mode, you can bridge both channels to create a high power   2 channel amp or run stereo speakers on the front and subwoofers on rear in three channel mode.

Features:

  • 4-channel car amplifier
  • 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms)
  • 150 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)
  • CEA-2006 Compliant
  • variable high- and low-pass filters (50-250 Hz, 12 dB/octave) on front and rear channels
  • selectable bass boost (0, 6, 12 dB at 45 Hz)
  • Class-AB amplifier design 4 Channel Amp
  • MOSFET power supply
  • frequency response: 20-20K Hz
  • preamp and speaker-level input
  • 13-1/4″W x 2″H x 7-3/8″D

What you get in the box:

  • 4-Channel amplifier
  • Two 6″ Speaker level input harnesses
  • 3mm Allen wrench
  • Four 3/4″ Self-tapping screws
  • 4 Flat washers
  • Installation & Operation manual (English/ French/ Spanish/ German/ Italian)
  • Amplifier verification certificate

 

4. New Kenwood KAC-8406 900 Watt 4-Channel Class AB Car Audio Power Amplifier Amp

This a class A/B 4 channel amplifier with a maximum out of 900 Watts. Its RMS output is 70 Watts at 4 channel amp @4 ohms.

Signal sense turn-ons makes the amplifier automatically turn on when the speaker level inputs senses receiver output.

It features a cast aluminum heat-sink and built in fan for utmost heat dissipation.

Features:

  • 4-channel car amplifier
  • 70 watts RMS x 4 at 4 ohms (100 watts x 4 at 2 ohms)
  • 200 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)
  • CEA-2006 Compliant
  • variable high- and low-pass filters (50-200 Hz, 12 dB per octave)
  • switchable bass boost (0, 18 dB at 40 Hz)
  • Class AB design and MOSFET power supply 4 Channel Amp
  • speaker-level inputs with signal sensing turn-on
  • preamp inputs
  • fuse rating: 25A x 2
  • 13-3/16″W x 2-1/4″H x 7-5/8″D

What you get in the box:

  • 4-Channel amplifier
  • Two 25 amp ATO fuses (installed)
  • 2 Terminal covers (installed)
  • 7″ Speaker-level input harness
  • 5mm Allen wrench
  • Four 5/8″ Self-tapping screws
  • Instruction manual (English/ French/ Spanish)
  • Warranty information

Verdict

Kenwood is known for the quality build of their amps. This 4 channel amp price range is a bargain given the power and quality you will be getting.

5. Alpine MRV-F300 4-Channel Car Amplifier, 50 Watts RMS x 4

It is a compact size(40% smaller that previous generations) amp from Alpine which fit perfectly even in tight spaces. Alpine boasts of being the highest selling amp manufacturer in The United States and this particular amp is a testimony to that fact.

Its compact size means there is minimal wastage of heat and power to the battery.

Features:

  • 4-channel car amplifier
  • 50 watts RMS x 4 at 4 ohms (75 watts RMS x 4 at 2 ohms)
  • 150 watts RMS x 2 bridged output at 4 ohms (4-ohm stable in bridged mode)
  • CEA-2006 Compliant
  • variable high- and low-pass filters (50-400 Hz, 12 dB/octave)
  • selectable bass boost (+12 dB at 50 Hz) on channels 3 & 4
  • MOSFET power supply
  • preamp and speaker-level inputs 4 Channel Amp
  • Remote Sensing automatic turn-on when using speaker-level inputs
  • gold-plated screw terminals
  • fuse rating: 40A x 1

What you get in the Box:

  • 4-Channel amplifier
  • 40 amp ATO fuse (installed)
  • 5″ Speaker-level input harness
  • 2 Snap on terminal covers
  • Four 3/4″ Self-tapping hex-head screws
  • Owner’s manual (English/ French/ Spanish)
  • Alpine Verification Certificate
  • Warranty information
  • On-line product registration information

Verdict

Easy to install, compact, high quality and affordable, this is everything you want in a 4 channel amp.

6. Sound Storm PSY1600.4 1600 Watt Full Range

Power and  efficiency are the two words that can be used to describe this amplifier. It also comes highly recommended as it easy to install and there are a couple of configurations to  chose from.

The fixed high pass cross over and variable bass boost gives you options  to customize your sound flexibility.

Features:

  • Psyclone Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:

4 ohms: 150 watts x 4 chan. 4 Channel Amp

  • MAX Power Rating:

2 ohms: 400 watts x 4 chan.

Bridged, 4 ohms: 800 watts x 2 chan.

  • Pulse Width Modulated MOSFET power supply
  • Wired remote bass level control included
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (0 to +18 dB bass boost)
  • 4/3/2 or Mono channel operation
  • Speaker-level (high-level) inputs
  • 2-way protection circuitry (thermal, and speaker short protection)
  • Heavy duty silver anodized heat-sink
  • Switchable high-pass filter (Fixed 80 Hz, Full)
  • Variable low-pass filter (35-160 Hz, 24 dB/octave)
  • Dimensions: 9-11/16″Wx 11-7/16″L x 2-3/8″H

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7. SOUND STORM EV4.400 EVOLUTION 400-Watt

This amp will give you crystal clear sound and enough power for your subs. It subtle styling and sleek design gives excellent mobile audio quality compared to none. It has 400 watt max power and has received stellar reviews given its price tag.

Features:

  • Evolution Series 4-Channel Class AB Car Amplifier
  • RMS Power Rating:

4 ohms: 50 watts x 4 chan.

Max Power Rating:

4 ohms: 100 watts x 4 chan.

  • MOSFET power supply
  • LED power (green) indicator
  • Soft Start Turn-on
  • 4/3/2 channel operation 4 Channel Amp
  • Speaker-level (high-level) inputs
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Heavy duty aluminum alloy heatsink for extreme heat dissipation
  • Chrome-plated RCA level inputs
  • Nickel-plated screw terminals
  • Fixed high-pass filter: 200 Hz
  • Fixed low-pass filter: 120 Hz
  • Frequency response: 12-22,000 Hz
  • Dimensions: 9″Lx 6-7/8″W x 1-3/4″H

 

8. KICKER DX400.4 400W RMS 4-Channel DX Series Car Amplifier

Has a much smaller footprint, a modern simplistic design and new cutting edge features. The new design is more cosmetically appealing with magnetic panel covering control settings and glass cover composite panel for a clean and stealth look.

The KICKER DX400.4 400W  has to be the best 4 channel amp from the KICKER line. It features a high mass heat-sink for heat dissipation.

Features

  • KX Series 4-Channel Class D-IC Car Amplifier
  • RMS Power Rating:

4 ohms: 50 watts x 4 chan.

2 ohms: 100 watts x 4 chan.

Bridged, 4 ohms: 200 watts x 2 chan. 4 Channel Amp

  • Max power output: 800 watts x 1 chan.
  • High-efficiency regulated MOSFET power supply
  • LED power (green) and protect (red) indicators
  • Variable Bass Boost (Variable 0-18 dB @ 40 Hz)
  • Soft start turn-on
  • 4/3/2 and mono channel operation
  • Preamp RCA outputs to daisy chain multiple amps
  • Double-sided fiberglass circuit board
  • Built-in crossovers and adjustable KickEQ for dialing it in
  • DC offset or 12v remote auto turn-on modes
  • Angled custom-tooled power connectors
  • Stylish magnetic panels cover controls and glass-fiber composite end panels
  • Heavy duty high-mass aluminum alloy heat-sink
  • Input sensitivity:
  • Low level: 125mV-5V
  • High level: 250mV-10V
  • Variable low-pass filter (40-500 Hz, 24 dB/octave)
  • Variable high-pass filter (10-500 Hz with 10x multiplier, 24 dB/octave)
  • Frequency Response: 10-20,000 Hz
  • CEA-2006 compliant
  • Dimensions: 8-5/16″Wx 11-3/16″L x 2-1/8″H

Conclusion

The KICKER DX400.4 is a compact 4 channel amp with lots of power and sounds really good. If you have space concerns and on a budget, I would recommend this amplifier.

9. Lanzar VIBE452N Vibe 6000 Watt 4-Channel MOSFET Amplifier

Although bulky, this is another great 4 channel amp. It could be placed on trucks or big SUVS if you are worried about space.

The Lanzar amplifiers are engineered for uncompromised sound quality. You get 6000 watts max output for this 4 channel. That is blissful power and superior quality without spending a fortune.

Features:

  • Power Output

4 x 1250 Watts RMS @ 4 Ohms

4 x 1500 Watts Max @ 4 Ohms

2 x 3000 Watts Max @ 4 Ohms Bridged 4 Channel Amp

4 x 2000 Watts @ 2 Ohms RMS

  • Power Protection LED Indicators
  • Advanced Protection Circuitry
  • Soft Turn On/Off
  • Frequency Response:10Hz-40KHz
  • S/N Ratio:95dB
  • Fuse: 30A x 3

·  Dimensions: 10.25”W x 2.36”H x 20.47”L

 

Final Verdict

Decision making can be pretty hard if you have a lot of choices.  Whether you settle for a 4 channel amp or a 5 channel, what matters most is the output.

Quality output will require that you have the best audio equipment and the 4 channel is a great choice if you want to power you door speakers and the whole vehicle as a whole.