There are several advantages of having a 400 watt 4 channel amplifier. We are here to help you choose the right one for your purposes from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Planet Audio 400 Watt 4 Channel Amplifier READ REVIEW

Best For Head Unit: Buy: Rockford Fosgate 400 Watt 4 Channel Amplifier READ REVIEW

Best For Plenty Of Power: Buy: Kenwood 400 Watt 4 Channel Amplifier READ REVIEW

Best For High Level: Buy: Sound Storm Laboratories 400 Watt 4 Channel Amplifier READ REVIEW

Best For Good Value: Buy: Pyle 400 Watt 4 Channel Amplifier READ REVIEW

Best For Great Sound: Buy: Stetsom 400 Watt 4 Channel Amplifier READ REVIEW

Best For Price: Buy: Mb Quart 400 Watt 4 Channel Amplifier READ REVIEW

Best For Ground Cable: Buy: Boss Audio Systems 400 Watt 4 Channel Amplifier READ REVIEW

Best For Clean Power: Buy: Damore Engine2 Ring 00 32 25 19 15 12 9 6 3 0 3 400 Watt 4 Channel Amplifier READ REVIEW

Best For Control Panel: Buy: Memphis Audio 400 Watt 4 Channel Amplifier READ REVIEW

Best For Motorcycle: Buy: Jvcr 400 Watt 4 Channel Amplifier READ REVIEW

Best Overall: Planet Audio 400 Watt 4 Channel Amplifier

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Compared with other channels in this category, the Planet Audio 400 Watt 4 Channel Amplifier has a design with broader appeal. The planet audio 400 watt 4 channel amplifier is not for adjusting volume. It can power up your speakers, subwoofers or a combination of both. This powerful 2 - ohms stable amplifier features 800 watts max power with a mosfet power supply for clean, strong sound.

Above all, the planet audio 400 watt 4 channel amplifier sound is clear, works great and it is good for a nice appearance.

Most customers agree that the amplifier is great with the exception of it over heating one time. And, they strongly agree that the amplifier is adequate if it is 4 ohm step up to a larger amp, the 1200 or 1600. And, they strongly agree that the amplifier is great for an old cerwin vega 15" in a 4.5cuft box. Overall, buyers found this to be one of the best channels for daily purposes.

• This has to be removed to access the power or speaker terminals.
• This is by no means a 1500watt amp.
• This is a big amp and requires a lot of installation space.
• This will buzz your ears plus it does get pretty hot.

Best For Head Unit: Rockford Fosgate 400 Watt 4 Channel Amplifier

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Not everyone likes to purchase channels for their daily purpose, but the Rockford fosgate 400 watt 4 channel amplifier would be an anomoly. The Rockford fosgate 400 watt 4 channel amplifier has gain control and it works well. The Manufacturer says: It’s the Rockford fosgate commitment of passion, power and performance built into everything we produce, connecting enthusiasts to their music and machine. Further, this can wait for a great deal and it is great for customer service.

The channel allows for lots of power, is reliable, it allows for clear sound and has a play design. In addition, it sounds awesome, has good build quality and it is great for a great price. Above all, the Rockford fosgate 400 watt 4 channel amplifier is easy to tune, it sounds great and has a very good design.

Most buyers opine that the amplifier is a solid amp that puts out a clean sound. Moreover, a few strongly agree that the channel is an excellent piece of electronics. Also, a few also found that the amp is only rated at 75 watts rms x 4 - channel. In short, for most buyers, it was what they were looking for.

• This is a used amp in perfect condition.
• This is an easy swap and now no more issues.
• It is easy to use. The controls are stellar, it's under rated for sure.
• This sounds much better and it is great with fast shipping.

Best For Plenty Of Power: Kenwood 400 Watt 4 Channel Amplifier

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The Kenwood line of amplifiers comes in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. The Kenwood 400 Watt 4 Channel Amplifier allows for more options and it is for more bass. . Also, it provides for easy installation, works great and it works perfectly.

The amplifier 's sound quality is good, it allows for a nice looking remote and has an intuitive design. Moreover, it is made to be worth the money and it is very compact. Lastly, the kenwood 400 watt 4 channel amplifier is extremely compact, It allows for good sound and has a small, compact design.

Most customers agree that the amplifier is only the case when using the bluetooth signal alone, since traditionally a head unit handles sound processing. Further, a few strongly agree that the amplifier is great for utv's, atv's, boat, and even a road bike. Moreover, a few strongly agree that the channel allows for many options in way of mounting and concealment. To sum up, at the price, they believe that they got a steal of a deal with it.

• This fits behind the tablet to add to that fits on the rear shelf, easily.
• This is great as a motorcycle system.
• This does provide loud, clear, pleasing music at full open throttle.
• This is used to jam the vol.

Best For High Level: Sound Storm Laboratories 400 Watt 4 Channel Amplifier

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The features department is where the Sound Storm Laboratories 400 Watt 4 Channel Amplifier truly manages to shine. The sound Storm laboratories 400 watt 4 channel amplifier is best with high pass filter and it sounds very good. A fixed high-pass filter gives you the ability to filter the frequencies that pass through to the full range of speakers from a fixed frequency point. The amplifier if it gets too hot or if speakers fail, causing a short.

The channel comes with clean lines and simple, subtle styling, Evolution amplifiers offer high performance and mobile audio excellence. In addition, this is used for class a / b and it has a low pass filter. Lastly, the sound storm laboratories 400 watt 4 channel amplifier has a fixed low pass crossover and it is great for high level.

Almost all buyers opine that the amplifier has plenty of punch for a low - cost amp and, even without a noise suppressor, it is very clear. In addition, a few say that the channel is great with plenty of power for the price. Further, a few say that this 400w amp is a good upgrade from factory sound. Overall, most buyers agree that the amplifier suits them best, and no one questions it.

• This is built to deliver outstanding performance and immense power for incredible fidelity and flexibility.
• This has 2 separate rca inputs.
• This will for excellent value and it comes with a bass remote.
• Low and high level inputs, variable input gain control.

Best For Good Value: Pyle 400 Watt 4 Channel Amplifier

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Next on the list, we've got yet another amplifier that manages to win our hearts. It's the Pyle 400 Watt 4 Channel Amplifier and it's widely considered as one of the most convenient amplifiers you can buy. The pyle 400 watt 4 channel amplifier is controlled separately and also is made of durable marine grade construction and is waterproof. Also, install with high sound and a digital screen that your stereo is working. In addition, it works for weather proof, it allows for good sound and has a high-fidelity stereo design.

Lastly, the pyle 400 watt4 channel amplifier sounds really good and it is very loud.

Almost all customers suggest that the channel is the case, use speaker wire that's designed for that purpose. Further, they also found that the amplifier has versatile mounting options to add to that comes with extremely low quality. Also, a few also found that the next morning the amp would no longer power the speakers. In conclusion, for most buyers, Pyle product was what they were looking for.

• This allows for enough power and it has protection circuitry.
• This is turned on when it is in bluetooth mode.
• This amp and the polk speakers, and yes, it works fine.
• This comes with 400 watt rms at 4 ohm impedance and a frequency range between 10.

Best For Great Sound: Stetsom 400 Watt 4 Channel Amplifier

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For a low asking price, Stetsom 400 watt 4 channelamplifier has managed to overwhelm their customers by packing as many features as they could. Further, it is best for number of channels and it allows for easy install. Make sure this fits by entering your model number. Lastly, the Stetsom 400 Watt 4 Channel Amplifier works great, is small but powerful and it is great for a great price.

Most buyers found that the amplifier is great for powering door upgrades. Furthermore, a few also found that the amplifier is great bang for a tiny amp. To sum up, at the price, they believe that they got a steal of a deal with it.

• This is the perfect size for bike.
• Excellent for voice as well as bass.
• Good investment for the long term.

Best For Price: Mb Quart 400 Watt 4 Channel Amplifier

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Next on the list, we've got yet another channel that manages to win our hearts. It's the Mb Quart 400 Watt 4 Channel Amplifier and it's widely considered as the channel that has the most suitable features. The mb quart 400watt 4channel amplifier is made for easy installing and it worked perfectly. Make sure this fits by entering your model number. And, the amplifier is a 400 watt bridgeable car audio amplifier. Finally, the mb quart 400 watt 4 channel amplifier features innovative sound quality and power technology.

Almost all buyers agree that the channel is good amp for the price, great value. With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• 50 watts x 4 at 2 ohm.
• Lot of satisfied buyers.

Best For Ground Cable: Boss Audio Systems 400 Watt 4 Channel Amplifier

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The boss audio system 400 watt 4 channel amplifier is satisfactory and appropriate and fits well with your daily use. The main audio system 400 watt 4 channel amplifier is thermal, has short protection and it is good for low distortion. 95 db kit2 completes your car audio set up with ease thanks to the included boss audio systems kit2 8-gauge complete car amplifier installation wiring kit. The boss r1004 4 channel amplifier features a max power handling of 400 watts and a rms power handling of 50 watts.

Finally, the boss audio system 400 watt4 channelamplifier comes with a manufacturer 's warranty and it is great for wire ties.

With no doubts, this product passed the test and had very satisfied buyers eager to share their experience.

• This includes a hi/low pass crossover, a variable bass boost and a 2-ohm stable.
• This is capable and it is used for signal to noise ratio.
• Up to 400watt high output 4 channel amplifier.
• Protection: thermal overload & speaker's short protection; soft turn-on circuit.

Best For Clean Power: Damore Engine2 Ring 00 32 25 19 15 12 9 6 3 0 3 400 Watt 4 Channel Amplifier

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We would, of course, be remiss if we didn't mention Damore Engine2 Ring 00 32 25 19 15 12 9 6 3 0 3 400 Watt 4 Channel Amplifier for daily use. The damore engine2 ring 00 32 25 19 15 12 9 6 3 0 3 400 watt 4channel amplifier fits any space, powerful enough and it is designed for a great price. D'amore engineering, conceptualizes, invents, engineers, manufactures and distributes some of the best audio tools and audio equipment on the planet. And, it is very compact, has impressive power and it is good for mid bass.

The amplifier has a mosfet electrical system which precisely controls the output voltage and currents, making it highly efficient and eliminating all secondary feedback circuitry. Most importantly, the damore engine2 ring 00 32 25 19 15 12 9 6 3 0 3 400 watt 4 channel amplifier is great for compact size and it is very clean.

Most customers opine that the amplifier is made by a company that actually does its own engineering. In addition, they also found that this has to be the clear - sounding class d amplifier on the market. In conclusion, the tone of buyers is very positive and we believe that the amplifier suits the purpose.

• This includes a remote subwoofer level control.
• If power draw and/or space are a concern, buy this amplifier.
• This sounds amazing and it is best for clean power.

Best For Control Panel: Memphis Audio 400 Watt 4 Channel Amplifier

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Memphis Audio offers a variety of channels for personal choice and yet maintains quality in all the variants. The Memphis audio 400 watt 4 channel amplifier has low-pass and it is very happy. Memphis audio viv400.4 400 watt rms 4 channel amplifier viv sixfive series amplifiers boast big power and acoustically accurate performance wrapped in a beautiful anodized brushed aluminum package. And, it has impressive power and it has a low pass filter. Above all, the Memphis Audio 400 Watt 4 Channel Amplifier works well for the control panel and it can starve for power at 4 ohms.

Almost all customers opine that the channel has been pushed to its limits many times without any problems.

• Variable bass boost (0-18 db at 45 hz) on front and rear channels.
• Dimensions: 10-15/16"w x 2-1/4"h x 8-1/4"d.
• Front channels: variable high- or low pass filter (10-5,000 hz, 24 db/octave).

Best For Motorcycle: Jvcr 400 Watt 4 Channel Amplifier

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If you often find yourself scrambling for an appropriate and satisfactory channel, Jvcr 400 Watt 4 Channel Amplifier is your solution. The jvcr 400 watt 4 channel amplifier is perfect for high quality sound, is ideal for power control and it allows for maximum power. Built tough with conformal coated main pcbs (printed circuit boards) offer additional protection against moisture and condensation from damaging the product. Further, the amplifier is small but powerful, has a low pass filter and it is designed for high level.

Finally, the jvcr 400 watt 4 channel amplifier allows for maximum power output and it is built for compact size.

Most buyers agree that the channel is easy to install and wire. So, buyers were very happy to recommend it to friends and families.

• This provides a stable, high-quality sound with no distortion even when playing at high volume.
• This is the best description of ks-dr1004d and it is designed for high level input.
• New and hot releases.