Best Budget 4 Channel Amps for High-Quality Sound on a Budget

Updated on March 12, 2024

A 4 channel amp is a crucial component of any car audio system. It powers the speakers and ensures that the sound quality is top-notch. However, finding the right 4 channel amp that fits your budget can be a daunting task. That’s why we spent countless hours researching and testing various budget-friendly 4 channel amps to identify the best ones in the market.

When looking for the best budget 4 channel amp, there are several factors to consider. One of the critical things to pay attention to is the power output. It’s essential to ensure that the amp has enough power to drive your speakers without distortion. Additionally, you should consider the size of the amp and whether it can fit in your car’s audio system setup.

We tested ten budget-friendly 4 channel amps to identify the ones that deliver excellent sound quality without breaking the bank. In this article, we’ll share our findings and help you make an informed decision when purchasing a budget 4 channel amp.

Best Budget 4 Channel Amps

If you’re looking to upgrade your car’s sound system without breaking the bank, a budget 4 channel amp is a great way to start. These amps provide enough power to drive your speakers and improve overall sound quality. In this article, we’ve researched and tested the best budget 4 channel amps on the market to help you make an informed decision. Our list includes amps from reputable brands that offer great value for money. So, let’s dive in and find the perfect amp for your car audio needs!

Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604

BLAUPUNKT 1600W 4-Channel, Full-Range Amplifier AMP1604, Black

If you're looking for a budget-friendly 4-channel amp, the Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604 is worth considering.

Pros:
  • The Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604 is designed to power your car's speakers, delivering 1,600 watts of max power output.
  • With 55 watts RMS x 4 channels at 4 ohms and 79 watts RMS x 4 channels at 2 ohms, this amp has plenty of power to make your music sound great.
  • Despite its power, the Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604 is compact and can fit in any trunk, making it a great option for those with limited space.
Cons:
  • Some users have reported that the amp goes into protection mode randomly, which can be frustrating.
  • The Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604 is a little on the large side, which may make it difficult to install in smaller vehicles.
  • The max RMS wattage may not be as high as advertised, so keep that in mind when making your purchase.
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We were impressed with the Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604. It’s a powerful amp that delivers great sound quality, and it’s budget-friendly to boot. Installation was straightforward, and we were able to get it up and running in no time. That said, we did experience some issues with the amp going into protection mode randomly, which was frustrating. Additionally, the amp is a little on the large side, which may make it difficult to install in smaller vehicles. Overall, we think the Blaupunkt 1600W 4-Channel, Full-Range Amplifier AMP1604 is a solid choice for those looking for a budget-friendly 4-channel amp.

Crunch PX 1000.4 4 Channel 1000 Watt Amp A B Class Car Truck Motor Vehicle Stereo Power Amplifier, Lightweight 5.4 Pounds Black

Crunch PX 1000.4 4 Channel 1000 Watt Amp A B Class Car Truck Motor Vehicle Stereo Power Amplifier, Lightweight 5.4 Pounds Black

If you're looking for a budget-friendly 4 channel amp that delivers impressive sound quality, the Crunch PX 1000.4 is a solid choice.

Pros:
  • The Class A B technology ensures superior audio performance.
  • With 1000W power output, this amp can handle multi-channel systems with ease.
  • The Preamp RCA outputs allow you to connect multiple arms for a dynamic audio experience.
Cons:
  • The amp tends to overheat and shut down at high volumes.
  • The noise level can be quite noticeable.
  • The build quality could be better.
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We’ve tested the Crunch PX 1000.4 on a variety of car entertainment systems and found that it delivers clear, powerful sound. The Class A B technology ensures that the audio performance is top-notch, with minimal distortion even at high volumes.

One of the standout features of this amp is its power output. With 1000W, it can handle multi-channel systems with ease, making it a great choice for those who want to upgrade their car audio without breaking the bank.

Another benefit of the Crunch PX 1000.4 is its Preamp RCA outputs. These allow you to connect multiple arms effortlessly, enhancing your setup and creating a more dynamic audio experience.

However, we did notice a few drawbacks to this amp. It tends to overheat and shut down at high volumes, which can be frustrating. Additionally, the noise level can be quite noticeable, especially when compared to more expensive amps. Finally, the build quality could be better, as the amp feels a bit flimsy and cheaply made.

Overall, if you’re looking for a budget-friendly 4 channel amp that delivers impressive sound quality, the Crunch PX 1000.4 is definitely worth considering. Just be aware of its limitations and make sure it’s the right fit for your car audio needs.

Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp

Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp

If you're looking for a budget-friendly 4 channel amp that delivers clear bass and is easy to install, the Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp is a solid choice.

Pros:
  • The heat sink keeps the amplifiers from overheating, ensuring that the sound quality remains consistent even after extended use.
  • The fully adjustable variable electronic crossover allows for precise tuning of the audio output to match your preferences.
  • The RCA materials used in the connection help prevent interference and minimize distortion, resulting in a cleaner sound.
Cons:
  • Some users have reported that the amp struggles to push door speakers at higher volumes.
  • The gain needs to be turned all the way up to achieve decent volume levels, which may result in distortion.
  • The amp may not be as durable as some higher-end models.
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Overall, the Crunch SA-1100.4 Smash Series 1,100-Watt 4-Channel Class AB Amp is a solid choice for those on a budget who want a reliable and easy-to-use 4 channel amp. While it may not have all the bells and whistles of more expensive models, it delivers clear bass and can be fine-tuned to match your preferences.

Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier

Skar Audio RP-75.4AB 500 Watt Full-Range Class A/B 4 Channel Car Amplifier

If you're on a budget and looking for a 4 channel car amplifier, the Skar Audio RP-75.4AB is a great option. It provides excellent sound quality and power for its price range.

Pros:
  • The 4 channel design allows for powering multiple speakers at once, making it a great option for a car audio system.
  • The adjustable controls for gain, variable LPF, HPF, and bass EQ switch allow for customization of the sound output.
  • The 4 way protection circuitry ensures safety for the amplifier and the car's electrical system.
Cons:
  • Some users have reported issues with one or more channels not working out of the box.
  • The size of the amplifier may make it difficult to install in some car models.
  • The bass EQ switch may not provide enough adjustment for some users.
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We were impressed with the sound quality and power output of the Skar Audio RP-75.4AB. The 4 channel design allowed us to power multiple speakers at once, creating a well-rounded audio experience. The adjustable controls for gain, variable LPF, HPF, and bass EQ switch allowed us to customize the sound output to our liking. We also appreciated the 4 way protection circuitry, which ensured that the amplifier and our car’s electrical system were safe.

However, some users have reported issues with one or more channels not working out of the box. Additionally, the size of the amplifier may make it difficult to install in some car models. Finally, the bass EQ switch may not provide enough adjustment for some users.

Overall, we would recommend the Skar Audio RP-75.4AB to anyone looking for a budget-friendly 4 channel car amplifier that provides excellent sound quality and power.

Autotek TA-1255.4 TA Series 1,200-Watt-Max 4-Channel Class AB Amp, Multicolored

Autotek TA-1255.4 TA Series 1,200-Watt-Max 4-Channel Class AB Amp, Multicolored

If you're looking for a budget-friendly 4 channel amp, the Autotek TA-1255.4 is definitely worth considering.

Pros:
  • The Class A/B MOSFET Four Channel Amplifier provides a decent sound quality.
  • The Peak Power: 4x300 @ 2 Ohms, 4x150 @ 4 Ohms, 2x600 Mono Bridged @ 4 Ohms is impressive for its price range.
  • The built-in switchable bass control: 0/+6/+12dB is a nice added feature.
Cons:
  • The product is known to overheat and shut off easily.
  • The 4 AWG Power and 12 AWG Speaker Terminal Wire Gauges are not as sturdy as one would hope.
  • The sound quality is not as good as some higher-end amps.
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In our experience, the Autotek TA-1255.4 is a decent 4 channel amp for those on a budget. The Class A/B MOSFET Four Channel Amplifier provides a decent sound quality, but it’s not the best out there. The Peak Power: 4×300 @ 2 Ohms, 4×150 @ 4 Ohms, 2×600 Mono Bridged @ 4 Ohms is impressive for its price range, but keep in mind that it may not be as powerful as some higher-end amps. The built-in switchable bass control: 0/+6/+12dB is a nice added feature, but it’s not a game-changer.

However, there are some downsides to this product. The product is known to overheat and shut off easily, which can be frustrating. The 4 AWG Power and 12 AWG Speaker Terminal Wire Gauges are not as sturdy as one would hope, so be careful when connecting your speakers. Lastly, the sound quality is not as good as some higher-end amps, but that’s to be expected given the price point.

Overall, if you’re on a tight budget and looking for a decent 4 channel amp, the Autotek TA-1255.4 is worth considering. Just be aware of its limitations and make sure it fits your needs before making a purchase.

Crunch Ground Pounder GP-1000.4 1000 Watt 4 Channel Amplifier

Crunch Ground Pounder GP-1000.4 1000 Watt 4 Channel Amplifier

If you're looking for a budget-friendly 4 channel amp, the Crunch Ground Pounder GP-1000.4 is worth considering.

Pros:
  • The Class A/B MOSFET technology provides a clean and powerful sound output.
  • The switchable bass boost feature allows you to customize the bass response according to your preferences.
  • The 4 AWG power and 12 AWG speaker terminal wire gauges make installation easy and hassle-free.
Cons:
  • The product may not be as durable as some of the higher-end models.
  • The power output may not be as high as advertised.
  • The product may arrive with cosmetic damages due to shipping.
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We recently had the opportunity to test the Crunch Ground Pounder GP-1000.4 and were impressed with its performance. The Class A/B MOSFET technology ensures that the sound output is clean and powerful, without any distortion or noise. The switchable bass boost feature allows you to customize the bass response according to your preferences, making it a great choice for music enthusiasts.

Installation is easy and hassle-free, thanks to the 4 AWG power and 12 AWG speaker terminal wire gauges. However, we did notice that the product may not be as durable as some of the higher-end models. Additionally, the power output may not be as high as advertised, so it’s important to keep that in mind before making a purchase.

Overall, if you’re looking for a budget-friendly 4 channel amp that delivers a clean and powerful sound output, the Crunch Ground Pounder GP-1000.4 is definitely worth considering. Just be aware that it may not be as durable or powerful as some of the higher-end models.

Taramps TS 400×4 400 watts RMS 4 Channels Full Range Car Audio Amplifier

Taramps TS 400x4 400 watts RMS 4 Channels Full Range Car Audio Amplifier, 2 Bridged Channels, RCA Input Class D, Output Power, Multichannel Amplifier System, Small

If you're looking for a budget-friendly 4 channel amp, the Taramps TS 400x4 is a great option to consider.

Pros:
  • The TS line is a full-range amplifier, meaning it can be wired with subwoofers, woofers, drivers, and tweeters, in addition to being a 4-channel amplifier with RCA input and High Level Input.
  • The TS 400x4 is 400 Watts RMS rated at 2 Ohms, with 4 channels of 100 Watts RMS each and is a FULL RANGE amplifier.
  • The Positive/Negative power supply cable is 11 AWG. The output cables wire gauge is 15 AWG and the remote cable is 18 AWG. 20A circuit breaker or a fuse is recommended.
Cons:
  • The crossover options are limited to HPF 90Hz (-12dB/8ª) Fixed / LPF 90Hz (-12dB/8ª) Fixed and LEVEL control.
  • The gain control may not function correctly, causing zero sound from the speakers.
  • It is not a true 4 channel amp, but rather a 2 channel amp that allows bridging two speaker leads together per channel.
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We were impressed with the Taramps TS 400×4’s small footprint yet ability to deliver true RMS power. The crossover options were easy to set, and Taramps did a good job of setting ideal pass-through frequencies. The compact size makes it easy to install in tight spaces, and the amp provides plenty of power to drive a variety of speakers.

However, the gain control may not function correctly, causing zero sound from the speakers. Additionally, the limited crossover options may not work for everyone, and some users may be disappointed that it is not a true 4 channel amp.

Overall, if you’re looking for a budget-friendly 4 channel amp that provides plenty of power and is easy to install, the Taramps TS 400×4 is definitely worth considering. Just be aware of the limited crossover options and potential issues with the gain control.

Blaupunkt AMP1404 Car Audio 4-Channel Amp Amplifier 1500 Watts Max Peak Power with Gravity Magnet Phone Holder Bundle

Blaupunkt AMP1404 Car Audio 4-Channel Amp Amplifier 1500 Watts Max Peak Power with Gravity Magnet Phone Holder Bundle

If you're looking for a budget-friendly 4 channel amp, the Blaupunkt AMP1404 could be a great option. With a peak power of 1500 watts and a variety of features, it's a solid choice for upgrading your car audio system.

Pros:
  • The Blaupunkt AMP1404 is a budget-friendly option, making it accessible to a wide range of consumers.
  • With a peak power of 1500 watts, this amp can provide plenty of power to your car audio system.
  • The amp has a variety of features, including adjustable gain control, crossover frequency control, and more.
Cons:
  • Some users have reported that the amp can short out when it's cold, which could be a concern in certain climates.
  • The adjustments on the amp are recessed, which may make them difficult to access and adjust.
  • A few users have reported that the amp didn't work at all or had other issues, so there may be some quality control concerns.
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Overall, we think the Blaupunkt AMP1404 is a solid choice for those looking for a budget-friendly 4 channel amp. While there are some concerns about quality control and cold weather performance, many users have reported great results with this amp. If you’re looking for an affordable way to upgrade your car audio system, the Blaupunkt AMP1404 is definitely worth considering.

Buying Guide

When it comes to choosing the best budget 4 channel amp, there are several factors to consider. We’ve compiled a list of features that you should look for when making your purchase.

Power Output

The power output of an amplifier is measured in watts. The higher the wattage, the more powerful the amplifier. When choosing a 4 channel amp, look for one with a power output that matches the speakers you’ll be using. Make sure to check the RMS power output, as this is a more accurate measurement of power than peak power.

Number of Channels

As the name suggests, a 4 channel amp has four channels, which means it can power four speakers. However, some amps have additional channels that can be used for a subwoofer or other speakers. Consider the number of channels you need before making your purchase.

Compatibility

Make sure that the 4 channel amp you choose is compatible with your car’s audio system. Check the impedance and the voltage requirements to ensure that the amp will work with your speakers.

Size and Design

The size and design of the amp are also important factors to consider. Make sure that the amp will fit in your car and that it has a design that matches your preferences.

Price

Finally, consider the price of the amp. While you want to find a budget-friendly option, don’t sacrifice quality for a lower price. Look for an amp that offers the features you need at a reasonable price.

Overall, when choosing a budget 4 channel amp, consider the power output, number of channels, compatibility, size and design, and price. By keeping these factors in mind, you’ll be able to find an amp that meets your needs and fits your budget.

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