Best 4 Channel Car Amplifiers 2022

To achieve the optimum audio experience in your automobile, you’ll need to combine a few critical components that rely on one another for accurate music reproduction. A separate amplifier is one of these components, and it will aid your speakers in producing the greatest sound possible. A four-channel amp will provide you the most flexibility, power, and possibility for seat-shaking bass.

The ability to bridge channels is a major benefit of a four-channel amplifier. You can attach up to eight speakers to each channel by connecting two speakers to each channel. Two channels bridged together, on the other hand, will provide additional power for sub-woofers.

It can be difficult to choose the appropriate amp to help you realize your fantasies of window-shattering bass. You might want to stick with your conventional car stereo after hearing terms like “high-pass crossover” and “ohms.” Ignore the jargon and technical jargon; we’ve got you covered. We’ve compiled a list of the top four-channel amplifiers on the market to assist you in making the best choice for your needs.

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

Alpine MRV-F300 4-Channel Car Amplifier, 50 Watts RMS x 4
  • 75W RMS X 4 (2Ω , 14. 4V, ≤ 1% THD+N)
  • 50W RMS X 4 (4Ω , 14. 4V, ≤ 1% THD+N)
  • Same Power In A 40% Smaller Chassis

The Alpine MRV four-channel amplifier takes the top spot on our list because to its small size, gorgeous brushed metallic finish, and Alpine’s legendary sound quality. It is not only a dependable and well-known brand, but it also comes at a reasonable price. At 2 ohms, this amp provides four 75-watt RMS channels and four 50-watt RMS channels. This device packs a lot of punch into a compact, light container.

The 4 channel car amp produces significantly less noise than you’d expect from a class D amplifier, and the audio quality is far superior to comparable amps in the same price range. Class D amplifiers combine compactness with power efficiency, which is a challenging feat to achieve. However, they are gradually improving, and the Alpine is now one step ahead of the competition. This is the Best 4 Channel Car Amplifier in 2022.

Kenwood KAC-M3004 Compact 4 Channel Digital Amplifier

The Kenwood KAC is a class D amplifier, which means it’s both cheap and small. It features a four-channel RMS range of 75 watts at 2 ohms and 50 watts at 4 ohms. It has a total power rating of 300 watts, which is more than enough for most people. However, you won’t get the same volume as with higher-powered amps. Because this is a class D amplifier, turning it up too loudly will result in a high signal-to-noise ratio.

When compared to a class A/B amplifier, this means you’ll get more signal noise. However, this is a cost-effective choice that will provide significantly better sound than a normal stereo, albeit without the clarity or decibel-meter-topping volume that a higher-powered amp may provide. This is the Best 4 Channel Car Amplifiers in 2022.

Rockford Fosgate PBR300X4 Punch 300 Watt 4 Channel Boosted Rail Amplifier

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Rockford Fosgate PBR300X4 Punch 300 Watt 4 Channel Boosted Rail Amplifier
  • Our ultra-compact (1.53” x 4.25” x 6.75”) Punch PBR300X4 is a full-range 4-channel amplifier designed for stereo front/rear systems that packs a...
  • Designed to be compact and efficient while providing big power - RMS Power Output: 75 Watts x 4 @ 4-Ohm (4-Ohm only)
  • Featuring our Class BR, Rockford Fosgate’s patented Boosted Rail technology that sips current while retaining a storage reserve for extended bursts...

The Rockford Fosgate Prime 4-Channel Amplifier is a top-of-the-line audio amplifier for your car. It has a total power output of 300 watts at 4 ohms. It’s also a slim and tiny box that can easily fit beneath a seat or in the trunk of a small car or SUV.

The versatility of this Rockford 300X4 amplifier is one of its best qualities. It has a gain control on both the front and back to make it easier to use. It also has over-current and short-circuit protection, so it won’t let you down while you’re cranking out your favorite cartoons.

The fact that the box is small does not imply that it is light. While 7.5 pounds may not seem like a lot, it may add up quickly when it comes to an amplifier. Another disadvantage is the amp’s cost. It costs more than many of the other amplifiers on the market.

Pioneer GM-A6704 4-Channel Bridgeable Amplifier with Bass Boost

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Pioneer GM-A6704 4-Channel Bridgeable Amplifier with Bass Boost,Black/red
  • 1000 Watts Max Power
  • Automatic signal sensing and Turn-On
  • Variable high pass filter

The lightweight box produces crystal clear sound and powerful music with a maximum power of roughly 1,000 watts. It’s a terrific technique to improve the sound quality of your OEM stereo and hear a lot more than before.

The amp is light and thin, weighing only 4.9 pounds and fitting easily inside your vehicle. It’s perfect for smaller subs under 12 inches in length. It can be tucked away beneath a seat or in the trunk, out of sight. It’s also set at a reasonable price that is neither excessively high nor excessively low.

This amplifier, on the other hand, falls short when it comes to producing a good low-toned bass noise in general. You’ll get some boom, but it won’t compare to the sound of a more powerful amp.

Alpine KTP-445U 4-channel Power Pack Amplifier

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The Alpine 4-Channel Power Pack Amplifier is a force to be reckoned with. It stands out for a variety of reasons, including its small size and light weight design. This dual combo is ideal for anyone wishing to improve the overall sound quality of their stereo. It has a power rating of roughly 180 watts, which makes it fairly loud.

While being loud is desirable, having crystal clear audio is even more so. When it comes to automobile amplifiers, quality trumps quantity. This one delivers a crisp audio output that allows you to clearly hear all of the high and low frequencies. Another amazing feature of this amplifier is how easy it is to set up and how quickly it can be done.

However, some users have complained that the wiring on non-Alpine head units is difficult to install. It, too, has a larger price tag. It isn’t extremely pricey, but it isn’t inexpensive either. There have also been reports of minor distortion, however this isn’t always the case, and it can get warm after a period of running.

Planet Audio AC1200.4 4 Channel Car Amplifier

Planet Audio AC1200.4 4 Channel Car Amplifier - 1200 Watts, Full Range, Class A/B, 2-4 Ohm Stable,...
  • 1200 W MAX Power, 4 Channel 225 W X 4 RMS @ 2 ohm 113 W X 4 RMS @ 4 ohm 450 W X 2 RMS Bridged @ 4 ohm
  • Full Range Class A/B, MOSFET Power Supply
  • High and Low Level Inputs

Planet Audio’s 4-Channel Car Amplifier looks amazing, sounds great, and has a maximum power output of 1,200 watts. It has all of the features you’d expect from a car amplifier. It’s also quite sturdy, small, and comes with thermal protection to keep it from overheating.

This is one of the best amplifiers you can find for powering four tiny speakers and tweeters, and it comes at a reasonable price. The amplifier is only 2.4 inches tall and 10 inches broad, making it small enough to fit in a trunk.

It is, however, quite heavy, weighing in at 7.2 pounds, making it one of the heaviest amplifiers. Overtightening the cable connections may potentially cause them to break. Some users have had trouble fitting it under a seat or into a small space.

If you’re looking for a 4-channel amp for around $100 that yet packs a punch, this Planet Audio Anarchy amplifier will deliver.

BOSS Audio Systems R1004 4 Channel Car Amplifier

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BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B,...
  • Power - 100 Watts Max X 4 @2-Ohms, 50 Watts Max X 4 @4-Ohms
  • Class A/B Topology - Class ‘A’ Amplifiers Have Enormous Amount Of Current Flowing Through Its Output Transistors With No Audio Signal. Class...
  • Full Range - With A Full Range Amplifier You Not Only Have The Option To Run Your Speakers, But Also Your Subwoofers

The Boss R1004 is the best four-channel automobile amplifier you can get for the money. This amp packs a punch with four thunderous 100-watt channels at 2 ohms or 50 watts at 4 ohms. It’s a full-range amp, which means you can use it to power both your speakers and subwoofers.

Because it is a class A/B amplifier, it has a lot of current going through it, which translates to a lot of power. This also means it’s huge – it’s 7.8x 9 inches, which is what keeps it from taking the top slot. This isn’t a problem for power-hungry audiophiles, but in a smaller car, it may be a real pain; ideally, it should be hidden beneath your seat. Even at the somewhat increased price, its tremendous power and well-known Boss quality will not disappoint.

Skar Audio RP-150.4AB 1,000 Watt Full-Range Class A/B 4 Channel Car Amplifier

Skar Audio RP-150.4AB 1,000 Watt Full-Range Class A/B 4 Channel Car Amplifier
  • 1 000-Watt MOSFET 4-Channel Class A/B Power Car Amplifier
  • RMS Power at 2 Ohms: 250 Watts x 4 Channels
  • RMS Power at 4 Ohms: 125 Watts x 4 Channels

The Skar RP is a powerful 1,000-watt A/B class amplifier. It has an RMS rating of 250 watts per channel at 2 ohms and 125 watts at 4 ohms. This amp is for those who want to put some serious power behind their speakers.

The Skar features a four-way protective circuitry that prevents your speakers from blowing up if they become too hot. It also boasts a high-quality MOSFET power supply with a reputation for reliability. It’s a bit big, at 724 inches, but that’s to be expected from a class A/B amp. Because of its big size and hefty price, it falls just short of our two top picks.

JBL GX-A604 4-Channel Full Range Amplifier

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JBL is a well-known audio brand noted for its high-quality products. The GX car amplifier is stylish, with an RMS rating of 60 watts per channel at 4 ohms and 85 watts per channel at 2 ohms. It also contains a low-pass filter and a customizable bass boost.

It makes up for its lack of strength with quality. JBL produces high-quality audio equipment with crystal-clear sound. This amp is great for modest but precise sound, however if you need to attach a subwoofer or seek deep bass frequencies, you may be disappointed.