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Best mono amplifiers 2018 – [Buyer’s Guide]

Last Updated October 1, 2020

Norman RyanHi, I’m Norman Ryan. After putting in 45+ hours of research and testing, I made a list of the best mono amplifiers of 2018 and explained their differences and advantages.

Just read here for my top 3 recommendations. Why are these 3 mono amplifiers on top of my list? Well read on… You see I’m an average member of the public just like you and the main reason I decided to publish a review website on mono amplifiers is because I was looking for one not so long ago.

Best mono amplifiers of 2018

If you’re scouring the market for the best mono amplifiers, you’d better have the right info before spending your money. Like choosing clothes or cosmetics, choosing mono amplifiers should be based on your purpose, favorite style, and financial condition.

Many models on the market may be confusing to a person who is shopping for their first time. However, after giving you the TOP list, I will also give you some of the benefits you stand to gains for using it.

Test Results and Ratings

Rank №1 №2 №3
Total 4.8 4.5 4.3
5 points
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5 points
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Awards 1
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How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the mono amplifiers by the price and buy from the one who will offer the greatest discount.



№1 – 6.35mm Mono Audio Cable

6.35mm Mono Audio Cable

[Easy Connection] Connecting music instruments such as keyboards, guitars, bass guitar and other professional audio equipment
[Excellent Sound] Corrosion-resistant Gold-Plated Metal connecters making the sound signal transmits with minimal signal loss.
We’ve been using it for 4 months and didn’t notice any flaws.

Why did this mono amplifiers win the first place?

I really enjoy the design. It is compact, comfortable and reliable. And it looks amazing! I am very happy with the purchase. It is definitely worth its money. The product is top-notch! The product is very strong. Its material is stable and doesn’t crack. I also liked the delivery service that was fast and quick to react. It was delivered on the third day.
















№2 – J&D Gold-Plated 3.5mm 1/8″ TRS Male to 2x 6.35mm 1/4″ TS Male Mono Cable Splitter with Zinc Alloy Housing and Nylon Braid for iPhone

J&D Gold-Plated 3.5mm 1/8

[Easy Connection] Connecting your smartphone, laptop or PC with a 3.5mm jack output to a device with 2 x 6.35mm jack inputs such as speakers, mixing desk and so on.
[Excellent Sound] Corrosion-resistant Gold-Plated Metal connecters making the sound signal transmits with minimal signal loss.
Cheap feeling construction.
It is not for the small jobs.

Why did this mono amplifiers come in second place?

The design quality is top notch and the color is nice. I really liked it. It is amazing in every aspect. It did even exceed my expectations for a bit, considering the affordable price. I like this product. For such a low price, I didn’t even hope it to be any better. It’s decently made. Seems that the material is good. It has a very beautiful color but I don’t really like the texture.
















№3 – Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier – PAM8302

Audio IC Development Tools Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302

Adafruit Part Number: 2130
Stock Type: Breakout Boards >> Amplifiers/Sound
In Stock & Ready to Ship
The clamp could be of better quality.
Extremely expensive.

Why did this mono amplifiers take third place?

It doesn’t squeaks nor bents. Looks great in my apartment. A very convenient model. It is affordable and made of high-quality materials. I liked the design. We’ve been using it for 2 months and it still looks like brand new. It is inconvenient to use due to the size. I am going to get something different next time.
















mono amplifiers Buyer’s Guide

If you keep the before points in mind, you can easily go out to the market and buy mono amplifiers, right? No!

There are two aspects of power ratings

Root Mean Square Power (RMS) – RMS determines the amount of continuous power an auto amplifier uses to provide the power to the speakers. Buyers should ensure that the power of the amplifier matches that of the subwoofer or speaker.

Peak Power – This is always higher than the RMS power. It shows how many watts a vehicle amplifier has a sudden and short increase in sound.


You can always go to a mechanic within the neighborhood to help you install an amplifier. However, to save money, you can do it on your own. Just pick one that comes with comprehensive instructions from the manufacturer. All the required components must also be provided. In some cases, manufacturers even provide links to videos that can be accessed online, making it effortless for you to complete the assembly.

Technical Specifications

If you are clueless on which will make the right choice, below are five of the models that you might want to take into consideration.

Alpine MRV-M1200 Monoblock 1200 Watts

Get the Alpine MRV M1200 Monoblock 1200, and you will have bought one of the best amplifiers in the market. Why do I say so? It comes with a wired remote bass level control Rux Knob, has a soft start turn on, gives out a power output of 2400 watts.

It is made of heavy-duty aluminum alloy heatsink for extreme heat dissipation. Compared to its predecessors, it is 40% smaller footprints and thus making it a favorite for those who like such specifications.

During installation, you will need to use 0-gauge power and ground wiring to do a perfect job. You will be in a position to use the dual speaker terminal, especially if you are looking forward to hooking it to multiple speakers. With it, you won’t need the availability of several speakers to make it work perfectly.

Get it, and you will enjoy the way it pounds with clarity and deep lows and never shuts down This alpine gives meaning to the word “quality”, as it is quality and style all combined in one item. The 1200w RMS steady power is what you will get in this dual output amp with high efficiency.

Pioneer GM D860Class Amplifier Remote

This product is another good amp designed by the Pioneer company. It is meant to produce a high-quality sound that is sweet and clean to the ears.

It is made with a high advance technology making it easy to use and user-friendly. This amp is capable of generating 1600 watts at a resistance of ohms. It is categorized to be in class D.

The product comes with a variable bass control as well as a wired Bass Boost remote. The pioneer product rarely disappoints their users; hence, having this amp in your car will make your driving experience enjoyable. The amp is easy to install on almost all car models.

Kenwood KAC 9106D Monoblock Class Amplifier

This amp is also among the highly rated amps by most customers. This product is beautifully designed; hence, most customers end up liking its design.

The product makes your car look upgraded in appearance and feel. It produces a high-quality sound that makes you enjoy driving in your car day in day out.

The amp is designed to generate 500 watts at ohms or 1000 watts at ohms or 2000 watts at ohm. It is categorized as a class D amp.

The product is designed with an easy to understand wiring system making it easy to install. If you are looking for a good quality amp for your car, then you can prefer to choose this product since most users give positive reviews on this amp. The product is of high performance.

Why You Need An Amplifier In Your Car

Most cars come with their built-in amplifiers which might not produce the sound quality you desire. Hence, the need for an external amplifier that is powerful enough to generate the sound quality you need.

Select the best car amplifier to upgrade your car as well as make your trips fun and enjoyable by listening to the kind of music you love. Also, having the car amplifiers make your loved ones love to go on a trip in your car. The car amps help you utilize power at it most.


Dance music and hip-hop sound great on the bigger woofers whereas rock music sounds sweet on, the smaller speakers. At times, the size of your track plays a role in choosing the speakers. The large tracks require the bigger amplifiers so that the sound can be hard in the whole vehicle. Do not rush to buy big or small car speakers before considering your car size and the genre of music you like.


The power you need from the amplifiers will entirely depend on the speakers you have in your car. Do not underpower your car speakers. Buy an amplifier that can power your car speakers. If you are using your cars, built-in speakers, you may need to get the RMS value that will assist you to pick the right amplifier.

Also, one can decide to bridge two channeled amplifiers to offer quality power to your subwoofer. However, if the amplifier you desire is not compatible with your subwoofers, it is advisable you search for a separate mono amplifier that is suitable for your speakers and can produce quality sound.


Another technical term, impedance basically describes how much resistance the electrical current faces while traveling through the amplifier.

The impedance of your amplifier has a direct bearing on how much current is required to produce a certain degree of power.

How to upgrade your car’s subwoofers and amplifiers

We’ve previously spoken about how to upgrade your car’s head unit and speakers. In this article We’ll go deeper and set you up with a next-level audio system, complete with separate amplifier and a subwoofer.

What we can’t do is guide you step-by-step on how to install it all – there is a lot of work involved, including removing interior panels and carpet, wiring up fuses and grounds, running new power and speaker cables, mounting the amp and sub, and then tuning it all so that it sounds schmick. Now, these things can be done faster and neater (and with a warranty) by professionals, so we recommend deferring to them rather than undergoing this yourself.

If you’re a mad-keen DIYer, though, you can find plenty of guides online, including this article from Crutchfield or this YouTube video by Geek Squad. We’d also recommend looking for forums specific to the make or model of your car to help with any specific cases.


When purchasing subwoofers, you can buy the driver (speaker) and buy/build the box separately, or buy a ready-made sub already fitted to a box. The former allows more flexibility in fitting the sub in your car (and the opportunity to create a bigger, better box if room permits), whereas the latter allows for a no-fuss drop-in solution. Note that drivers will have recommended box sizes/specs, so be sure that your chosen (or built) box meets those specs, lest you be neutering its performance.

Most beginner guitar amps feature a single speaker, which results in a fairly flat, lifeless mono sound. What really sets the ID:Core apart from the competition is its dual 5-watt speakers. The resulting true stereo sound is far more immersive and exciting, and gives the impression of the amp being louder than its 10-watts should allow.

Copland CTA-402

A great introduction to the joys of valves, but an all rounder it is not. Sweet, beguiling sound that lacks drive and grip. Some will find no better way of making music for the money, others may soon tire of it.

An affordable and effective entry into the valve sound. transparent and sweet with good bass but the midrange can sometimes jar.

Dual mono construction gives strong stereo separation. Brutal resolution of detail but not the clearest ever.

The EC1-is natural sounding, powerful and transparant. Could be a tad bright and tiring in some systems and competition is tough.

A mighty confection of power, facilities and style, and it sounds good to boot.

Extremely tight, open and authoritive sound make it a joy to listen to. Factor in superb build and brilliant ergonomics, and it’s surprisingly good value.

One of the best sounding amplifiers you’ll ever hear, the Mhas detail and transparancy beyond comprehension. surely a future classic.

Fantastic looking integrated with a big and lush sound. Good with orchestral and well-mixed rock and pop.

Pathos Classic One

Re-vamped replacement for its lower priced predecessor. Great looking hybrid amp with whisper quiet backgrounds, plus detailed and sweet midrange and treble. Thin sounding with the wrong speakers though, so audition carefully.

Superbly musical with plenty of power and bass. Not the most intricate sounding of amps at the price but definitely one for music lovers.

A crisp looking, well built and powerful integrated with a commendably clean and controlled sound. Definitely one to consider if its the Krell sound you crave.

Very strong all round performer with excellent build and finish. Verging on the expensive though.

Mellifluous single ended valve integrated with meticulous manners. Excellent dynamics with the right ‘speakers. Too smooth to suit everybody though.

A cracking looking and airy sounding valve amp, though low output means partnering with more sensitive ‘speakers.

Beautifully built and voiced amp offering a taste of the high-end at a reasonably affordable price. Superb value for money.

Using a Common Amplifier

There are good reasons why a common amplifier is not used for all musical instruments.

Musical instruments have their own qualities and an Amplifier should take that into consideration while amplifying.

So if you were thinking of using a guitar amp or a bass amp for your digital piano-keyboard, just because it is available or if you are getting it cheap, think twice.

Here are some of the unique aspects of different instrument amplifiers, compared to a Keyboard Amp.

The Standard Ones

Guitar amps are supposed to deliver sounds ranging from a clean, warm sound (used in soft rock or country) to a roaring, natural overdrive, especially when the volume is set near maximum.

Another important task for a guitar amp is to reduce the extreme high frequencies (on the treble side) and to reduce the boom (on the bass side).

So these amplifiers have a sharp treble cut-off at around kHz and a bass roll-off at around 60–100 Hz.

For Hard rock and Heavy Metal

For this style of music, you need an aggressive intensity to the guitar sound at higher frequencies, and that too with distortion effects. So, on these amps you will find distortion effects, pre-amp boost controls, and tone filters.

Bass Amplifiers

A Bass amplifier has extended bass response and tone controls, which is optimised for bass instruments that produce pitches as low as 40 Hz.

The more expensive, high-end bass amplifiers usually include compressor or limiter feature, which is included to eliminate distortion at volumes near maximum.

Acoustic Amplifiers

An Acoustic amplifier is meant for acoustic instruments such as violin, fiddle, mandolin, acoustic guitar, basically instruments use for quiet genres like classical, pop, country, folk and bluegrass.

Like a keyboard amp, these are designed to deliver relatively flat frequency response, without introducing any additional tonal coloration.

What you need is a clean sound here, so the amplifiers have to be powerful to prevent unwanted distortion.

Feedback Problem

In certain cases, when you connect a microphone to the XLR input of a keyboard amp, you might experience feedback (On some amps, when feedback occurs, you can see LEDs light up).

The easiest thing to do is to turn the amps away from your mic. Make sure they are as far away from the mics as possible.

Mystery of Wattage

Having said that, a keyboard amp with 300W (75W per channel) will always be powerful compared to a 180W (45W per channel), and also more expensive.

Another good thing about amplifiers is that you can always chain them up for more power.

More Videos that show Keyboard connection to an Amplifier.

Power amp specifications to consider

In evaluating power amps, specifications can help you narrow down your selection. But as we note below, manufacturers calculate those specs in different ways. Understanding what the numbers mean and how they’re calculated will help you shop smart.

Amplifier modes

Browsing through different power amp models, you will see that many amps have per-channel power ratings. The channels on these amplifiers can be operated in a number of different configurations, depending on your needs.

Amplifier specs usually indicate output running in both stereo and bridged modes. When running an amp in bridged mode, be sure to observe any warnings in the manufacturer’s manual to avoid damaging your gear.

Built-in DSP

Limiting – A means to control the peaks of strong input signals, usually to prevent overloading the amp or damaging the speakers.

Filtering – Some power amps offer filtering features such as low-, high-, or band-pass filters to emphasize certain frequencies and/or prevent damage caused by very low-frequency signals.

Compression – A method of limiting the dynamic range of an audio signal, for audio enhancement or to avoid distortion.

Note that these signal processing tasks can also be handled by specialized standalone units, and many professional audio engineers prefer using them.


In live music performance, levels vary constantly. Momentary musical peaks can put a lot of demand on your PA. Be sure your amplifier and speakers can handle these momentary peaks without distorting. To do this, the amp needs enough reserve power or “headroom” as audio engineers refer to it. We’ll discuss this in a little more depth next.

Matching your amp and speakers

Matching power between your amp and speakers can be a little baffling. Don Boomer of Peavey offers some general guidelines in his excellent article on the subject. For the best performance, he advises that your speakers’ “program” watts rating be the same as the amp’s RMS/continuous output wattage rating. But he hastens to add that does not grant you license to mic a kick drum without limiting its huge low-frequency output.

As Boomer explains, clipping—the flattening of waveforms that produces ugly-sounding distortion—is what really destroys speakers. A high pass filter in your signal chain is essential to protect your amp and speakers from meltdowns caused by their attempts to reproduce bass and drum frequencies beyond their intended range. Keep an eye on your amp’s clipping indicators and believe them. If you’re seeing a flickering red light on anything other than the kick drum beat, it’s likely your speakers are being pushed beyond their limits.

The impedance factor

Ohms measure the electrical resistance of a circuit, and PA amps are typically designed to operate with speakers having 4, 8, or 16-ohm ratings. You’ll usually get the best performance and minimize risk of gear damage by exactly matching your amp’s’ impedance with the speaker load you connect it to.

If the the total impedance of your speakers is too high for the amp, the power delivered to them will be insufficient. If the speaker load is too low on the other hand, the amp may overload your speakers damaging them and itself in the process.

Parallel: Each speaker cabinet is independently connected to the amp via its own circuit. This is is the simplest and safest kind of connection, especially if your speakers vary in their impedance ratings.

Without getting into the theory, it’s generally best to choose speaker cabinets that have the same impedance rating and to connect them in parallel to your amplifier.

Typically, subwoofers feature two-power handling specifications. RMS watts, also commonly known as continuous power handling, peak power handling or peak watts.

The Root Mean Square (RMS) wattage of the subwoofer depicts the amount of power the device can handle on a regular basis. The peak wattage specifies the maximum amount of power the subwoofer can withstand for brief periods without experiencing damage. In order to get the best quality sound, you need to match the RMS watts of the subwoofer to that of the amplifier.

Most power amplifiers in the market mention a list of RMS watt ranges. This range specifies the minimum and maximum power range that the device is capable of producing.

Once you are aware of the amplifier’s wattage range, you must ensure the minimum power is at least 75% of the subwoofer’s RMS watts and maximum 150% of the RMS watts.

If you ever have trouble deciding between the two, keep in mind that an overpowered subwoofer is a much better option than an underpowered one.

For every additional subwoofer you wish to install in your car’s audio system, the power amplifier’s wattage range has to be a reflection of the additional sub’s RMS watts.

For example, if you are installing subwoofers of 300 RMS watts ratings, you must opt for a power amplifier that offers a power range between 450 – 900 watts. Or less, both the subwoofers will only get half the power its needs to operate efficiently.

Similarly, if you wish to add more than several subwoofers to your car’s audio system, you must upgrade the power amplifier as well.





How to save up to 86%? Here is little trick.

You must visit the page of sales. Here is the link. If you don’t care about which brand is better, then you can choose the mono amplifiers by the price and buy from the one who will offer the greatest discount.



Final Word

First of all thanks for reading my article to the end! I hope you find my reviews listed here useful and that it allows you to make a proper comparison of what is best to fit your needs and budget. Don’t be afraid to try more than one product if your first pick doesn’t do the trick.

Most important, have fun and choose your mono amplifiers wisely! Good luck!

So, TOP3 of mono amplifiers



Questions? Leave a comment below!

Chatting about mono amplifiers is my passion! Leave me a question in the comments, I answer each and every one and would love to get to know you better!

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