Best Small 4 Channel Amp to Buy in 2022

Sometimes it might be quite difficult to find the best small 4 channel amp. With every niche market offering so many different products, it makes sense that this is the case.

Unfortunately, this very fact can make it incredibly difficult to find the item that best suits your needs, which is why we’ve put together this small 4 channel amp buying guide.

Our Favorite Picks:

The 15 Top Small 4 Channel Amp Reviews:

Bestseller No. 1
Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports 400W Max Power Digital Amplifier
  • Digital Amplifier Technology
  • Speaker Level Input w/ Signal Sensing Turn-on
  • 2 Ohms Load Capability. High Pass Filter : 50Hz-200Hz, -12dB/oct (A/B)
  • Power MOS-FET Switching Power Supply
  • 1m (3.3ft) RCA Cable
Bestseller No. 2
4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [Douk Audio M4]
  • One group of stereo RCA (CH3 and CH4) can be used as audio input or output by switching the selector, to acheive different demands
  • Supporting wired 2 groups of stereo RCA and wireless Bluetooth 5.0 input, compatible with most common audio device such as phones, computers, TVs, MP3, TV, CD players etc. With U-disk input, it can be used as a digital music player, supporting MP3, WAV, APE, FLAC and WMA lossless formats.
  • With 4 groups of speaker sockets output, they can output at the same time and each channel with independent volume control. Its max output power can reach 50W×4, and equipped with high-quality 24V/4.5A power supply, enough to drive most home speakers.
  • Reasonable circuit layout, concise wiring and high-quality components to ensure HiFi clear sound and long time stable work. Separate design of small and large signal circuit for better circuit protection. Bluetooth 5.0 version with high-gain antenna, ensure more stable and faster transmission.
  • Propersize with exquisite appearance, aluminum alloy case is CNC machined and with anodizing process, more fashionable and durable, very suitable for home, office and desktop audio system use.
Bestseller No. 3
Blaupunkt 1500W 4-Channel, Full-Range Amplifier
  • 1500W Maximum Power Full-Range Amplifier
  • Optimized 150-watt RMS output and a max power output of 1500 watts, you can give your music a huge boost in power that will have you and your passengers partying while on the road
  • This slim amplifier fits perfectly into any trunk so you can easily connect it to your stereo system
SaleBestseller No. 5
NVX VADM4 400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Compact Micro Amplifier - Marine Certified
  • 📢 PEAK POWER: 800 Watts
  • 📢 RMS POWER: 【4 ohms: 75W x 4 chan.】【2 ohms: 100W x 4 chan.】【4 ohms bridged: 200W x 2 chan.】
  • 📢 COMPACT: Cutting edge Micro Class D technology allows amplifier to be extremely compact. Dimensions: 7.2"L x 3.4"W x 1.45"H
  • 📢 MARINE CERTIFIED: Our VAD line includes a conformally coated, marine grade circuit board. This allows this amplifier to be installed in nearly any application.
  • 📢 FEATURES: LED indicator lighting | 3-way protection circuitry | Balanced Differential Inputs | Speaker-level (high-level) inputs | Selectable crossover modes
Bestseller No. 6
SaleBestseller No. 7
Taramps DS 800x4 4 Channels 800 Watts Rms Car Audio Amplifier 1 Ohm
  • DS 800X4 1 Ohm: For STEREO connections, the minimum impedance is 1 ohm at each channel and for BRIGDE connections is 2 ohms
  • Positive / negative power supply cable: 7 AWG
  • Protection fuse or circuit breaker: 60A
  • Frequency Response (Full Range): 10Hz - 22KHz (-3dB)
  • HPF (High Pass Filter): 90Hz (-12dB/8ª) Fixed
SaleBestseller No. 8
BOSS Audio Systems R1004 4 Channel Car Amplifier – Riot Series, 400 Watts, Full Range, Class A/B, 2 Ohm Stable, IC (Integrated Circuit) Great for Car Speakers and Car Stereos
  • 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 ‘B’ Amplifiers Have No Current Flowing Through Its Outputs With No Audio Signal
  • Full Range - With A Full Range Amplifier You Not Only Have The Option To Run Your Speakers, But Also Your Subwoofers
  • Variable Gain Control - The Gain Control Is Not For Adjusting Volume. It Simply Adjusts The Amount Of Signal That Is Coming From Your Receiver And Going To Your Amplifier
SaleBestseller No. 9
Pioneer GM-A6704 4-Channel Bridgeable Amplifier with Bass Boost
  • 1000 watts Max power
  • Automatic signal Sensing and turn-on
  • Variable high Pass filter adjustable bass Boost
SaleBestseller No. 11
Planet Audio AC800.4 4 Channel Car Amplifier - 800 Watts, Full Range, Class A/B, 2-4 Ohm Stable, Mosfet Power Supply, Bridgeable
  • Power - 200 Watts Max x 4 @2-Ohms, 100 Watts Max x 4 @4-Ohms, 400 Watts Max x 2 Bridged @4 Ohms
  • Class A/B Topology - Class ‘A’ amplifiers have enormous amount of current flowing through its output transistors with no audio signal. Class ‘B’ amplifiers have no current flowing through its outputs with no audio signal. Efficiency is the name of the game
  • Full Range - With a Full Range amplifier you not only have the option to run your speakers, but also your subwoofers
  • Variable Gain Control - The gain control is not for adjusting volume. It simply adjusts the amount of signal that is coming from your receiver and going to your amplifier
  • Variable Bass Boost - With Variable Bass Boost you have the control of exactly how much BASS you want to pump out to your subwoofer(s)
SaleBestseller No. 12
Soundstream ST4.1200D Stealth Series 1200W Class D 4 Channel Amplifier
  • Stealth Series 1200W class D 4 channel amplifier RMS power 4Ω: 100X4/ RMS power 2ω: 150X4/ bridged 4Ω: 300X2 2-Ohm stereo &
  • 4-Ohm bridged full-range operation Hybrid aluminum alloy heatsink for optimum dissipation Military grade SMT PCB maintains dynamic performance
  • Package dimensions: 7.75" L x 3.0" W x 1.5" H
  • Country of Origin: CHINA
Bestseller No. 13
BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604
  • Blaupunkt AMP1604 4-Channel, Full-Range Amplifier Max. Output Power: 1600W
SaleBestseller No. 14
Taramps TS400X4 Full Range 2 Ohm 4 Channel 400W Class D Car Audio Amplifier
  • 1 x Taramps TS400X4 Full Range Amplifier
  • Quantity: 1 Amplifier Number of Channels: 04 Max Power at 13.8 VDC 2 Ohms: 400W (4 x 100W RMS) Max Power at: 13.8 VDC 4 Ohms: 252W (4 x 63W RMS) Bridged at 13.8 VDC 4 Ohms: 400W (2 x 200W RMS)
  • Input Sensitivity: 200mV (Vol=Max) Signal to Noise Ratio: greater than 90dB Frequency Response: (Full Range): 18Hz to 30kHz (-3dB) High Pass Crossover (HPF): 90Hz (-12dB / 8th) Low Pass Crossover (LPF): 90Hz (-12dB / 8th)
  • Input Impedance: 22K Ohms Thermal Protection System and Short Output Minimum Supply Voltage: 8 VDC Maximum Supply Voltage: 16 VDC
  • Standby Power: 0.8 A Maximum Musical Power: at 13.8VDC: 16.5 A Maximum Consumption in Sine Signal: (1kHz) 13.8VDC: 33 A
SaleBestseller No. 15
Taramps DS 440x4 4 Channels 440 Watts Rms Car Audio Amplifier 2 Ohm
  • Full-range
  • Class-D amplifier
  • 4 channels of 110 watts RMS @ 2 Ohms
  • Crossover HPF and LPF
  • Variable gain control

Last update on 2022-12-08 / Affiliate links / Images from Amazon Product Advertising API

How to find the best small 4 channel amp?

Here, we’ll be going over a number of factors that you can use to ensure that you’re purchasing the best small 4 channel amp for you.

Regardless of which type of item you’re looking to buy, chances are that there are existing buying guides on the internet, all of which aim to give you good small 4 channel amp recommendations.

Despite these recommendations, however, it’s always a good idea to do your own research. In addition to this research, asking yourself the following questions is also super helpful:

  • What features does the small 4 channel amp need to have to be perfect for my needs?
  • What is my budget?
  • Do I need to purchase a certain brand?

Once you’ve answered these questions and have a good idea of what you’re looking for and the buying process becomes much easier. Keep in mind that when looking for the best product, there’s no need to rush. In fact, very rarely are the ideal products found by choosing the first one you see or by basing your decisions on only one factor. Take your time and enjoy the process!

Now, with the answers to the previous questions in mind, we urge you to use our upcoming buying guide for small 4 channel amp to find what you’re looking for:

Brand

In some cases, the brand of small 4 channel amp is very important. For example, if you’re looking for an item that works in tandem with another, you might very well need both products to be the same brand. If this is the case, it’s vital to pay attention to this factor, as choosing the wrong product can mean the difference between wasting your money and buying a great product that functions as it should.

Features

The features in any given small 4 channel amp are important because they can dictate which version of an item you need and how much money you need to spend. Consider all the key features that you want your item to have and don’t settle for anything that doesn’t check at least ¾ of your boxes.

Reviews

Customer reviews about small 4 channel amp are crucial – especially when you’re buying a product that costs a lot of money or serves a big importance. Luckily, most products can be found online, which means that it’s common for there to be scores of customer reviews from those who have already purchased any given product.

Pay attention to these reviews. Take note of the pros and cons that they mention, and factor these into your big decision. In some cases, you’ll be forced to sacrifice one con in order to gain a particular pro, but being aware of the potential con is going to be beneficial in either case.

Quality

Of course, quality is key. You don’t want to purchase a low-quality product. If you do, you run the risk of your item breaking, not working properly, or otherwise proving to be very disappointing, as well as a waste of money.

You can compare small 4 channel amp quality by researching what your potential purchases are made from, contrasting the individual items against each other to discern which one is made of the best materials.

Warranty

Warranty isn’t always going to be important, but it definitely can be. This is especially true if the item in question is tech-related or expensive. A good warranty will be valid for an extended time after purchase and cover a variety of problems ranging from item defects to random accidents, water damage, and other miscellaneous events that could ruin your product.

Conclusion

The quest to find the best small 4 channel amp can be daunting – but it doesn’t have to be. It can be made much easier by asking yourself a few simple questions and then thinking critically about the items you want to buy. Consider their features, quality, brand, warranty, and customer reviews and you’re more likely to make a great purchase.