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The 8 Best infinity car amplifiers of 2024

Are you trying to find infinity car amplifiers among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling infinity car amplifiers on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 21 hours of research and did 37 infinity car amplifiers tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best infinity car amplifiers you can buy today

No. 1
Infinity Reference-3004A Reference Series 4-Channel, 75w X 4 Amplifier
  • Infinity Reference amplifiers have been engineered with a compact footprint to fit in more vehicles even if available space is limited.
  • Speaker-level and low-level inputs allow the Reference 3004A to integrate with both aftermarket and factory car stereo systems.
  • Unlike many amplifiers available at similar prices, the Infinity Reference 3004A features variable electronic crossovers circuits allowing for precise system tuning and performance.
  • The Reference 3004A has been engineered using Balanced Differential Inputs to ensure low noise and distortion even at high output levels. This also makes it far less susceptible to line induced radiated engine noise.
  • On-board circuitry protects the Reference 3004A from shorts, high-temperature, overvoltage and undervoltage. An LED indicator is provided to let you know when one of these conditions exists.
No. 2
Infinity KAPPAONE6AM High-Performance Mono Class D Amplifier
  • Every Kappa amplifier, including the full-range models, features high-efficiency Class D topology.
  • Infinity’s Kappa amplifiers have been engineered to deliver the lowest distortion possible, enhancing the audio experience regardless of output level.
  • Infinity Kappa amplifiers have on-board circuitry to protect from shorts, temperature, overvoltage and undervoltage.
  • All Infinity Kappa amplifiers equipped with newly introduced E.A.R.L terminal for better grounding.
  • With it becoming more and more difficult to find spacious locations for amplifier mounting, Infinity Kappa amplifiers have been developed in a small compact form factor to allow more location versatility.
SaleNo. 3
Infinity Reference-6001A Reference Series Mono, 600w X 1 Amplifier with Bass Knob
  • The Reference 6001A amplifier features a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited.
  • Unlike many amplifiers available at similar prices, the Reference 6001A features variable electronic crossovers and bass boost circuits allowing for precise system tuning and performance.
  • The Reference 6001A has been engineered using Balanced Differential Inputs to ensure low noise and distortion even at high output levels. This also makes it far less susceptible to line induced radiated engine noise.
  • On-board circuitry protects the Reference 3004A from shorts, high-temperature, overvoltage and undervoltage. An LED indicator is provided to let you know when one of these conditions exists.
  • RBC wired remote - The RBC wired remote is an easy installation and can be mounted for convenient volume adjustment from driver's seat.
SaleNo. 4
Infinity PRIMUS-6002A Primus 2-Channel, 50w X 2 Amplifier
  • Primus amplifier provides true Infinity performance at an affordable price while now lacking the features needed to properly tune and optimize performance.
  • With it becoming more and more difficult to find spacious locations for amplifier mounting, Primus has been developed in a small compact form factor to allow more location versatility.
  • Primus amplifier has on-board circuitry to protect them from shorts, temperature, overvoltage and undervoltage. An LED indicator is included on all four models to let you know when one of these conditions exists
  • Infinity is one of the best selling car audio brands in the world. This is not a coincidence given the arduous testing and quality control. We take our craft seriously and want every consumer to have a world-class experience that lasts and lasts.
  • This provides an available bass boost at 45Hz of 6dB or 12dB, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type.
SaleNo. 5
Infinity PRIMUS-6004AAM Primus 4-Channel, 40w X 4 Amplifier
  • Primus amplifier provides true Infinity performance at an affordable price while now including the features needed to properly tune and optimize performance.
  • With it becoming more and more difficult to find spacious locations for amplifier mounting, Primus has been developed in a small compact form factor to allow more location versatility.
  • Primus amplifier has on-board circuitry to protect them from shorts, temperature, overvoltage and undervoltage. An LED indicator is inlcuded on all four models to let you know when one of these conditions exists.
  • Infinity is one of the best selling car audio brands in the world. We take our craft seriously and want every consumer to have a world class experience that lasts and lasts.
  • This provides an available bass boost at 45Hz of 6dB or 12dB, serving as a great tool to optimize subwoofer and loudspeaker performance based on location and enclosure type.
No. 6
Infinity Reference-3004A Reference Series 4-Channel, 75w X 4 Amplifier (Renewed)
  • Infinity Reference amplifiers have been engineered with a compact footprint to fit in more vehicles even if available space is limited.
  • Speaker-level and low-level inputs allow the Reference 3004A to integrate with both aftermarket and factory car stereo systems.
  • Unlike many amplifiers available at similar prices, the Infinity Reference 3004A features variable electronic crossovers circuits allowing for precise system tuning and performance.
  • The Reference 3004A has been engineered using Balanced Differential Inputs to ensure low noise and distortion even at high output levels. This also makes it far less susceptible to line induced radiated engine noise.
  • On-board circuitry protects the Reference 3004A from shorts, high-temperature, overvoltage and undervoltage. An LED indicator is provided to let you know when one of these conditions exists.
No. 7
Infinity REF-551A Reference Mono, 550w X 1 Amplifier
  • Infinity REF-551A Amplifier 1300W Peak (550W RMS) Reference Series Monoblock Amplifier
SaleNo. 8
Infinity Reference-7005A Reference Series 5-Channel, 50w X 4, 500w X 1 Amplifier with Bass Knob
  • Power your whole stereo with one amplifier - less wiring than running a separate subwoofer amplifier.
  • Unlike many amplifiers available at similar prices, Infinity Reference amps feature variable electronic crossovers and bass boost circuit to allow for fine-tuning.
  • The Infinity Reference 7005A amplifier feature a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited.
  • The on-board circuitry to protect them from shorts, temperature, overvoltage and undervoltage. An LED indicator is included on all four models to let you know when one of these conditions exists.
  • RBC wired remote - The RBC wired remote is an easy installation and can be mounted for convenient volume adjustment from driver's seat.
No. 9
Infinity KAPPAFIVE High-Performance Multi-Channel Class D Amplifier
  • Every Kappa amplifier, including the full-range models, features high-efficiency Class D topology.
  • Infinity’s Kappa amplifiers have been engineered to deliver the lowest distortion possible, enhancing the audio experience regardless of output level.
  • Infinity Kappa amplifiers have on-board circuitry to protect from shorts, temperature, overvoltage and undervoltage.
  • All Infinity Kappa amplifiers equipped with newly introduced E.A.R.L terminal for better grounding. Adapter connector is available in the box for easy installation.
  • With it becoming more and more difficult to find spacious locations for amplifier mounting, Infinity Kappa amplifiers have been developed in a small compact form factor to allow more location versatility.
No. 10
Infinity Kappa OneK 1000 -Class D, 1000W Mono Subwoofer Amplifier with LPF, Low- and High- Level Inputs, RBC (Remote Bass Control) included
  • 1000W x 1 - Class D Design
  • Low Distortion
  • Proprietary High-Conductivity Terminals
  • DBO (Dynamic Bass Optimizer)
  • Remote Bass Control
  • Included components: 1x Amplifier, 2x Differential Speaker-Level Adapter, 2x Spare Fuses, 4x Philip Screws, 1x Remote Bass Control & Cable, 1x E.A.R.L Terminal, 3x Self-Tapping Screws, 1x Owner’s Manual
No. 11
Infinity Reference-10001A Reference Series Mono, 1000w x 1 Amplifier with Bass Knob
  • The Infinity Reference 10001A amplifier features a low-profile chassis and a small overall footprint to fit in more vehicles where available space is limited.
  • Speaker-level and low-level inputs allow the Reference 10001A to integrate with both aftermarket and factory car stereo systems.
  • Unlike many amplifiers available at similar prices, the Reference 10001A features variable electronic crossovers and bass boost circuits allowing for precise system tuning and performance.
  • The Reference 10001A has been engineered using Balanced Differential Inputs to ensure low noise and distortion even at high output levels. This also makes it far less susceptible to line induced radiated engine noise.
  • RBC wired remote - The RBC wired remote is an easy installation and can be mounted for convenient volume adjustment from driver's seat.
No. 12
Infinity Kappa OneK 1000 -Class D, 1000W Mono Subwoofer Amplifier with LPF, Low- and High- Level Inputs, RBC (Remote Bass Control) included (Renewed)
  • 1000W x 1 - Class D Design
  • Low Distortion
  • Proprietary High-Conductivity Terminals
  • DBO (Dynamic Bass Optimizer)
  • Remote Bass Control
  • Included components: 1x Amplifier, 2x Differential Speaker-Level Adapter, 2x Spare Fuses, 4x Philip Screws, 1x Remote Bass Control & Cable, 1x E.A.R.L Terminal, 3x Self-Tapping Screws, 1x Owner’s Manual
No. 13
Infinity Kappa Four High-Performance Multi-Channel Class D Amplifier
  • Every Kappa amplifier, including the full-range models, features high-efficiency Class D topology
  • Infinity’s Kappa amplifiers have been engineered to deliver the lowest distortion possible, enhancing the audio experience regardless of output level.
  • Infinity Kappa amplifiers have on-board circuitry to protect from shorts, temperature, overvoltage and undervoltage.
  • All Infinity Kappa amplifiers equipped with newly introduced E.A.R.L terminal for better grounding.
  • With it becoming more and more difficult to find spacious locations for amplifier mounting, Infinity Kappa amplifiers have been developed in a small compact form factor to allow more location versatility.
SaleNo. 14
Infinity PRIMUS-3000A Primus 1-Channel, 250w X 1 Subwoofer Amplifier
  • mono subwoofer amplifier
  • 300 watts RMS x 1 at 2 ohms ( 4-ohm rating unavailable)
  • variable low-pass filter (32-320 Hz, 12 dB/octave)
  • variable bass boost (0-12 dB at 40-100 Hz)
  • variable phase adjustment (0-180°)
  • preamp and speaker-level inputs
  • fuse rating: 15A x 2
  • wiring and hardware not included with amplifier
No. 15
Infinity KAPPAONE6AM 600W Subwoofer Amplifier
  • 600X x 1 - Class D Design
  • Low Distortion
  • Proprietary High-Conductivity Terminals
  • DBO (Dynamic Bass Optimizer)
  • Remote Bass Control
  • Included components: 1x Amplifier, 2x Differential Speaker-Level Adapter, 2x Spare Fuses, 4x Philip Screws, 1x Remote Bass Control & Cable, 1x E.A.R.L Terminal, 3x Self-Tapping Screws, 1x Owner’s Manual
No. 16
Infinity M704A Marine Grade / 4-Channel, 70w X 4 Amplifier
17 Consomer Reviews
Infinity M704A Marine Grade / 4-Channel, 70w X 4 Amplifier
  • Compact size
  • High- and low-level inputs
  • Selectable Output and Variable Adjustment Crossovers
  • Variable Crossovers
  • Big Dynamic Power
No. 17
Infinity PRIMUS-6004A Primus 4-Channel, 40w X 4 Amplifier, PRIMUS6004A (Renewed)
  • Package Dimensions: 9.5 cms (L) x 19.8 cms (W) x 9.5 cms (H)
  • Product Type: Speakers
  • Package Quantity: 1
  • Country Of Origin: China
No. 18
Infinity Marine M704A1000 watt max 4-Channel Amplifier (Renewed)
  • Item Package Dimension - 16.5748031327L X 9.4881889667W X 4.4488188931H Inches
  • Item Package Weight - 9.1712300992 Pounds
  • Product Type - Receiver Or Amplifier
  • Color - Silver
No. 19
Infinity Ring Book 3: The Trap Door
  • Hardcover Book
  • McMann, Lisa (Author)
  • English (Publication Language)
  • 192 Pages - 02/05/2013 (Publication Date) - Scholastic Inc. (Publisher)
SaleNo. 20
TrendsBlue Premium Large Vintage Cars & Wheels Print Fashion Scarf Wrap, Black
  • 50% Viscose, 50% Polyester
  • One size: 76" x 37"
  • High quality, comfortable, and lightweight with vintage cars & wheels print
  • Large size, can be used as a scarf or a wrap
  • Available in different airy colors

How to choose a good infinity car amplifiers

Does the idea of finding a fantastic infinity car amplifiers make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in infinity car amplifiers. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top infinity car amplifiers products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top infinity car amplifiers on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top infinity car amplifiers brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top infinity car amplifiers based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the infinity car amplifiers were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good infinity car amplifiers, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your infinity car amplifiers.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting infinity car amplifiers for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our infinity car amplifiers. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what infinity car amplifiers should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on infinity car amplifiers.