Best 4 Channel Amp 2017 – Top 10 & Expert Reviews

Are you in search for the best 4 channel amp to get your sound system up to par? Speakers are only a single piece of the puzzle that, when put together correctly, yields the best audio experience. This audio system puzzle is one that music lovers, and aftermarket car stereo enthusiasts in particular, have strived to perfect. This guide was created to help you decide which best 4 channel amp is right for you and your sound system.

Things to Consider About 4 Channel Amps

Not all of the best 4 channel amps are created the same. In fact, there are so many factors to consider when buying one that it’s enough to make your head spin. A few things, however, stand out as being particularly important when making your purchase decision:

  • Wattage. You need to know how many watts your new amp should be. If you already have speakers installed, determine the wattage of the amp that is most compatible with your speaker setup. A powerhouse of a loudspeaker needs a high watt amp to provide the best sound, but some speakers will not work well with high wattage amplifiers and may put out distorted, low quality sound at high volumes.
  • Bridgeable or Non-Bridgeable. If you want to bridge more than one channel into just one channel, you’ll need a bridgeable 4 channel amp. Fortunately, there are a huge number of bridgeable amps on the market today. If you want to give a boost to your output’s power, getting the best 4 channel amp and bridging it to just two output channels is the way to go. Purchasing a bridgeable amp makes this process a lot easier.
  • Size. Size matters! If you’re going to use your amp to boost your car’s sound system, you’re going to need the amp to fit properly. The best 4 channel amp that fits your system’s specs to perfection isn’t going to do you any good if you can’t find a place to physically put it. There are quite a few compact yet powerful amplifiers on the market, so bigger isn’t necessarily better. Make sure the amp you buy will fit.
  • Price. Who says you have to break open the piggy bank to have great audio? An expensive 4 channel amp is not necessarily the best amp. In fact, the top three spots in our best of list are typically priced below $200 at most retailers. The wide variety of amps out there today makes it easy to find a top rated amp that is compatible with your system for a price you can afford.

Best 4 Channel Amp Top 10 Comparison Guide

PictureNameBridgeable?PriceRating (1-5)
PictureNameBridgeable?PriceRating (1-5)
1. AUTOTEK SMA1100.4 Street Machine(R) 4 Channel Class AB Amp (1,100 Watts)Yes$$5.0
2. Precision Power P900 Phantom Series Class D Full Range 4 Channel AmplifierYes$$$5.0
3. Crunch Power Drive 4 Bridgeable Amplifier Class Ab 4 Channel Pro PowerYes$$5.0
4. JL Audio JX400/4D 4 channel car amplifier - 70 watts RMS x 4Yes$$$4.8
5. Alpine MRV-F300 4 Channel Car Amplifier, 50 Watts RMS x 4Yes$$$4.7
6. Zapco ST-4XSQ Studio X Series 4 Channel SQ AmplifierYes$$$4.6
7. Skar Audio RP-150.4AB Full Range 1200 Watt Class A/B MOSFET 4 Channel AmplifierYes$$$4.5
8. Soundstream PN4.1000D 1000W 4 Channel Picasso Nano Series Class D AmplifierYes$$$4.2
9. DS18 GEN 800.4 800 Watts Max 4 Multichannel AmplifierYes$$$4.0
10. Rockford Fosgate R400-4D 400 Watt Full Range Class D 4 Channel AmplifierYes$$3.9

Reviews of the Top Rated 4 Channel Amps

1. AUTOTEK SMA1100.4 Street Machine(R) 4 Channel Amp

Autotek is a known player in the automotive audio industry, having been in business for more than two decades. And, what keeps them in business is the top notch products they manufacture, like this best 4 channel amp. This low distortion, low priced amp has high wattage and a soft start circuit to keep the current at startup under control. It is a bridgeable, 1,100 watt Class AB amp that can be used to power a variety of different speaker configurations.

Despite the big punch it packs, it’s very compact, so it can fit even into more snug setups. Unlike some higher priced 4 channel amps that fizzle out and die over time, this model is crafted with time tested quality and is incredibly durable, especially given its relatively low price. It also comes with a one year manufacturer’s warranty, making it a low risk, high reward purchase.

2. Precision Power P900 Phantom Series 4 Channel Amp

Who would’ve thought that this kind of power could fit into such a small package? This car amp gets the runner up spot on our top 10 list because of its small size and big power output. Packing 900 watts and 4 bridgeable channels, this Class D 4 channel amp is the perfect pick for the car audio aficionado looking to power up door mounted speakers.

It’s compact enough to be mounted pretty much anywhere, but the power output is capable of pushing your speakers to the max. This even includes the subwoofer. Another good thing about this amp is the price. Considering the amount of oomph you can get from this amp, it’s amazing to see it listing for such an affordable price.

3. Crunch Power Drive Pro Power 4 Channel Amp

Although it won’t be amplifying any outdoor arena rock concerts any time soon, for an inexpensive Class AB 4 channel amp with decent power output and a size that’s able to squeeze into even the most compact setups, look no further.

Although it doesn’t have what it takes to blast bass out of your car subwoofers, for most door mounted car speakers it will do the job with half the gain. When you power your speakers with this best 4 channel amp, you can expect good sound clarity and low distortion, even with higher volume levels.

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