Top 10 Best 400W Amp Reviews & Comparison | Updated

Looking for reviews and comparisons about 400w amp? Check out our list of the top best 400w amp 2022 to help make your decision.

400W Amp comes in all shapes and sizes, and there are a ton of them on the market today. So which one should you buy? We surveyed more than 72707 reviews, including musicians and lovers alike, in order to find out which 400w amp they thought was best for everyone. 

Whether you’re a beginner just picking up the instrument for the first time or a seasoned pro looking for an upgrade, a 400w amp on this list will suit your needs. 

And if you’re unsure where to start, check out our beginner’s guide to buying a 400w amp. It covers all the basics you need to know before making your purchase.

Now, let’s take a look at the 10 best 400w amp on the market today:

Bestseller No. 1
Pyle PLMRA410BT Elite Series Waterproof Bluetooth Amplifier (400 Watt 4-Channel Marine Amp)
  • Elite Series Amp - Marine Grade Waterproof Bluetooth Amplifier - Music Streaming
  • Built-in Bluetooth for Wireless Music Streaming - Rugged Dual MOSFET Power Supply
  • Works with All of Your Favorite Devices (iPhone, Android, Smartphone, iPad, Tablet, etc.)
  • Output Power: 100 Watt x 4 MAX - 4 Channel - Dual RCA (L/R) Input Connector Jacks
  • Silver-Plated Speaker Terminals Connectors - DC 12V - Size (L x W x H): 8.0'' x 7.9'' x 2.0''
Bestseller No. 2
BOSS Audio Systems R1004 4 Channel Car Amplifier - 400 Watts, Full Range, Class A/B, 2-4 Ohm Stable, 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
Bestseller No. 3
Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB
  • ADJUSTABLE TREBLE BASS EQ: Bass signal output can operate independently and the bass amplitude range is fine-tuning. The subwoofer output is controlled separately. May appropriate to adjust the style effect according to your needs for sound effect
  • WIRELESS BLUETOOTH CONNECT: Built in 2.1 version and that ranges up to 50’ + feet and has thermal power protection circuitry and variety spring loaded speaker terminal. Also,installed with HD sound and LED digital screen that your stereo is working
  • 400 WATT POWER: 2 channel amplifier with 400 watt RMS at 4 ohm impedance and frequency range between 10-40 kHz for unrivaled sound superiority. Fully marine grade rating at IP-41, a class D circuit and RCA audio connector
  • AUXILIARY INPUT: Save MP3 audio files to a memory card and play back through the USB or SD card reader pair of RCA jacks on the rear of the amplifier, to external smartphone, computer, MP3, laptop or tablet. Connect and stream from external devices
  • HIGH-FIDELITY STEREO DESIGN: It has perfect audio outputs, plus a separate subwoofer output, volume, treble and bass shock, which can be accessed in the side panel button control center. It is made durable marine grade construction and waterproof
Bestseller No. 4
Sound Storm EV4.400 Evolution 400 Watt, 4 Channel, 2 to 8 Ohm Stable Class A/B, Full Range Car Amplifier
  • 100 W MAX Power @ 2 Ohm x 4 Channels
  • 50 W MAX Power @ 4 Ohm x 4 Channels
  • Full-Range, Class A / B Topology
  • Low and High Level Inputs, Variable Input Gain Control
Bestseller No. 5
Facmogu AK380 400W+400W Mini Audio Power Amplifier, 2.0 CH Bluetooth 5.0 Receiver Speaker Amp with 12V 5A Power Supply, Bass & Treble Control Music Player Sound Amplifier for Car Home Garage
  • 【400W+400W Power】-- This 2 channel Bluetooth 5.0 mini audio audio amplifier provides 400W+400W peak power, rated power 40W+40W, suitable for your home theater acoustic sound system or your car.
  • 【Bass & Treble Control】-- LCD display, backlight design, with volume, treble and bass control knobs, which allows you to adjust the high and low frequency separately for delicate sound. With controller for distant audio adjustments. Note: There is an isolation plastic sheet at the bottom of the remote control, which needs to be removed before use, otherwise the remote control will not be powered.
  • 【Inputs】-- Can read U-disk and memory card, plug and play, support BT wireless connection. Low distortion supplies a clearer, stronger and more powerful sound.
  • 【Wide Application】-- Compatible with mobile phones, ipaid, computers, tablets, notebooks, MP3, TVs and projectors with AV audio etc. This mini audio amplifier is convenient to use, you can use it at home, and carry it to your car or garage.
  • 【1-year Warranty】 -- We offer 1-year guarantee period. If you have any questions or concerns, please don't hesitate to contact us. It contains 1 × Power Amplifier, 1 × 12V 5A Power Supply, 1 x Remote Control, 1 x Radio Antenna, 1 × User Manual.
Bestseller No. 6
Rockville Krypton F1 1600w Peak / 400w RMS 4 Channel Amplifier Car Audio Amp
  • Rockville KRYPTON F1 1600w Peak / 400w Dyno-Certified RMS 4 Channel Amplifier Car Audio Amp.
  • Dyno Certified RMS Power Ratings: (Certified Dyno Test / Less than 1 % THD) (Use these ratings when comparing with top brands such as Kicker, Rockford Fosgate, etc). 2 Ohm: 100 Watts x 4 Channels <1% THD+N. 4 Ohm: 70 Watts x 4 Channels <1% THD+N.
  • 4 Ohm Bridged: 200 Watts x 2 Channel. Peak: (Use these ratings when comparing with the top budget brands such as Boss, Power Acoustik, etc). 2 Ohm: 400 Watts x 4 Channels. 4 Ohm: 280 Watts x 4 Channels. 4 Ohm Bridged: 800 Watts x 2 Channels.
  • All channels on the amp have crossovers so they can each be used for subs or full range speakers or tweeters or midrange speakers. All channels on the amplifier are bridgeable. Digital Voltage Display on Amp. Fully Adjustable 12dB / Octave Crossover with Differential Circuitry.
  • Adjustable Subsonic Filter: 15Hz -40Hz (This filter is on the HPF knob). Adjustable Low Pass Filter: 40Hz – 4KHz. Adjustable Band Pass Filter: 15 Hz - 4 kHz (use both the HPF and LPF filter). Adjustable High Pass (Subsonic) Filter: 15 Hz - 4 kHz. 2CH/4CH Input Mode Switch. 8 Volt Preamp Circuitry
Bestseller No. 7
KICKER 46CXA4001T CXA400.1 400w Mono Class D Car Audio Amplifier Amp+Bass Knob
  • Input Sensitivity: 125mV–5V (Low Level) / 1V–40V (High Level)
  • Signal-to-Noise Ratio: >95dB, a-weighted, re: rated power
  • Subsonic Filter: 25Hz @24dB/octave
  • Power (watts/ch) 4 Ohm: 150x1
  • Power (watts/ch) 2 Ohm: 300x1
Bestseller No. 8
Rockford Fosgate PBR400X4D 400 Watt Full-Range Punch Compact Chassis 4 Channel Amp Amplifier
  • Our compact (1.5" x 4.25" x 6.75") PBR400X4D is small enough to fit in just about any application but packs a Punch with 400 Watts RMS of power!
  • Versatile design can be used in either 2 or 4 channel configurations (RMS Power Output: 50 Watts x 4 @ 4-Ohm or 100 Watts x 4 @ 2-Ohm or 200 Watts x 2 @ 4-Ohm Bridged)
  • Ultra efficient Class D full range design produces maximum power with minimal strain on the vehicle's electrical system. A great choice for both mobile installs as well as motorcycles and recreational vehicles
  • High level inputs with auto-on feature as well as differential RCA inputs along with selectable fixed 12dbB/Octave Butterworth Crossovers make the PBR400X4D amp compatible with just about any installation
Bestseller No. 9
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
Bestseller No. 10
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Res Class D Integrated Amp 2.0CH for Passive Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)
  • Small simple compact design but practical and powerful, little Hi-Fi Bluetooth wireless amplifier exclusively designed for the customers who pursue Hi-Fi sound.
  • CSR Bluetooth 5.0 core, up to 50ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established.
  • 100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with 24V power supply, can drive 280watts(8 ohm), 320watts(4 ohm) speakers. (For passive speakers only, not the powered speakers.)
  • Advanced circuitry design, built-in speakers protection circuit, best for bookshelf/computer/desktop/speakers in your home.
  • Home integrated digital amplifier, 18-month warranty, you can return the item if you have any problems.

How To Find The Best 400W Amp?

When looking for the best 400w amp to use for a song or arrangement, it’s important to consider what you’re looking for in a 400w amp. Are you looking for a specific sound? Are you looking for a 400w amp that is easy to use? Are you looking for a 400w amp with a lot of features? Once you know what you’re looking for, finding the best product for your needs becomes easier.

One option is to search online for reviews of different 400w amp. This can help you get an idea of what people like and don’t like about different products. You can also watch videos of people using different 400w amp to get an idea of how they work.

Another option is to go to a music store and talk to the staff. They can help you find 400w amp that fit your needs and give you advice on how to use them.

Finally, you can always ask other musicians for their opinion. They may have used a 400w amp that you’re considering and can give you their honest opinion. This can be a great way to get an idea of what 400w amp are out there and which ones might be the best for you.

When it comes to finding the best 400w amp for a song or arrangement, it’s important to take your time and consider all of your options. By doing this, you’ll be sure to find the best 400w amp for your needs.

Factors To Consider When Choosing The Best 400W Amp

When choosing the best 400w amp, it is important to consider a variety of factors. Some of these factors include:

  • The quality of the 400w amp
  • The price of the 400w amp
  • The availability of the 400w amp
  • The brand name of the 400w amp
  • The warranty of the 400w amp
  • The customer service of the company
  • The return policy of the company

Here are a few questions to help you decide

  • What kind of music do you like?
  • Where are you going to practice?
  • Do you want to play with other people?
  • Are there any physical limitations? 
  • How much money can you spend? 

All of these factors are important to consider when choosing the best 400w amp for your needs. By taking all of these into account, you can be sure that you are getting the best possible value for your money.

When it comes to choosing the best 400w amp, there are a lot of factors to consider. The most important factor is undoubtedly your budget. You need to find the right balance between what you can afford and what you need to get the best sound quality.

It’s also important to think about the purpose of the 400w amp. If you’re just starting out, you may not need to buy the most expensive equipment. It’s more important to find something that’s comfortable and easy to use so that you can focus on learning how to play.

Once you have a better idea of your needs and your budget, you can start researching different brands and models. There are a lot of choices out there, so it’s important to do your homework before making a purchase. Read online reviews and talk to other musicians to get their opinions.

One thing to keep in mind is that 400w amp can be addictive! Once you start upgrading your equipment, it’s hard to stop. So be sure to set some limits for yourself, and don’t go overboard. Otherwise, you may end up spending more than you can afford.

In conclusion, when choosing the best 400w amp, there are many things to consider, including your budget, the purpose of the gear, and your personal preferences. Do your research before making a purchase, and be sure to set some limits for yourself! With a little patience and effort, you should be able to find the perfect 400w amp for your needs.

Some More Tips For Choosing 400W Amp

Here are some more tips for choosing 400w amp:

Think about the type of music you want to play. There are many different 400w amp available, so it’s important to choose one that will allow you to play the type of music you enjoy.

Consider where you will practice. If you don’t have a lot of space, you might want to choose an instrument that is smaller and easier to transport.

Think about how much money you can afford to spend. Different 400w amp can cost a lot of money, so it’s important to set a budget before you start shopping. Check to see if there are any physical limitations. 

Some 400w amp might be better suited for people with smaller hands or shorter arms. See if there is an instrument that allows you to play and sing at the same time. This can be a great option for people who want to sing and play guitar, for example.

Find out if there are other people around who want to play music with you. Playing music with others can be a lot of fun, so it’s important to find an instrument that is compatible with your interests and abilities.

Tips To Save Money When Shopping 400W Amp

When shopping for a 400w amp, there are a few things you can do to save money. First, try looking online or at pawn shops or second-hand stores. You may also be able to find good deals at garage sales or consignment stores. Additionally, be sure to compare prices between different stores before making a purchase. Lastly, if you know someone who plays 400w amp, ask them for recommendations on where to find good deals. By following these tips, you should be able to save money when shopping for a 400w amp.

FAQs

How To Preserve And Prolong The Life Of 400W Amp?

There are a few key things to keep in mind when trying to preserve your 400w amp:

  • Keep your 400w amp in a cool, dry place – This will help to prevent any damage or corrosion to your gear.
  • Avoid exposing your 400w amp to excessive heat or moisture – Excessive heat can cause damage to your gear, and moisture can lead to corrosion and rust.
  • Clean and lubricate your 400w amp regularly – This will help to keep everything in good working condition and prevent any damage from occurring.
  • Store your 400w amp properly – Make sure to store your gear in a safe place where it won’t be damaged or knocked over.
  • Inspect your 400w amp regularly – Check for any signs of damage or wear and tear on a regular basis so you can catch any problems early on.

By following these simple tips, you can help to prolong the life of your 400w amp and keep it in good working condition for years to come.

Should You Care About Warranty And Shipping When Buying Online?

When buying 400w amp online, it’s important to consider the warranty and shipping policies of the vendor. Some vendors offer a limited warranty on their products, while others do not offer any warranty at all. 

It’s also important to consider the shipping policies of the vendor. Many vendors offer free shipping on orders over a certain amount, while others charge a fee for shipping. 

It’s important to weigh the cost of the product against the cost of shipping to make sure you’re getting the best deal. When it comes to warranty and shipping, it’s important to do your research before making a purchase. By taking the time to read the warranty and shipping policies of the vendor, you can be sure you’re getting the best deal on your 400w amp.

What Is The Best 400W Amp Brand On The Market?

There is no one “best” 400w amp brand on the market. Different brands offer different products, and each brand has its own strengths and weaknesses. It’s important to do your research before making a purchase and find the brand that best suits your needs.

Some of the most popular 400w amp brands on the market include Gibson, Fender, and Yamaha. These brands offer a wide range of products, from guitars and basses to keyboards and drums. They also have a reputation for quality, durability, and innovation.

So, what’s the best brand for you? It really depends on your individual needs and preferences. Do your research, try out some different instruments, and find the brand that’s right for you.

Conclusion

When it comes to choosing 400w amp, there are a lot of things to consider. You need to think about your budget, the type of music you play, and the sound you’re looking for. With all of these factors in mind, it can be tough to make a decision. That’s why we’ve put together this comprehensive guide on how to choose 400w amp. We hope it helps make the process a little less daunting. Have you chosen your new 400w amp yet? Let us know what you decide in the comments below. Find more music articles on our website Katienoonan.com.

 

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