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  1. Home
  2. Motorcycle & Harley-Davidson Audio
  3. Motorcycle Amplifiers

Motorcycle Amplifiers

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Number of Channels
Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.
Amplifier Key Features
Amplifiers can offer a diverse array of features. If you select more than one feature, then you will view amplifiers that have ALL features selected. These include speaker-level inputs that facilitate seamless integration with factory audio systems, Bluetooth connectivity suitable for ATV/UTV or Classic vehicle setups, built-in DSPs that provide enhanced control over your audio signal, and a host of other functionalities to explore.
Amplifier Class

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

Total RMS Power Output
Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.
Total Peak Power Output
The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
Minimum Impedance Unbridged
The lowest impedance the amplifier will handle when it is not bridged.
Minimum Impedance Bridged
The lowest impedance the amplifier will handle when it is bridged.
Remote bass/level controller
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Sonic Certified Amplifier
Sonic Certified amplifiers have been tested by the experts at Sonic Electronix to meet or exceed the wattage ratings provided by the manufacturer. If this is marked as Yes, then you can trust the wattage ratings. If marked as No, then we have tested the amplifier and it did not meet the advertised wattage ratings. If marked as Not Tested, then the Sonic Electronix experts have not yet been able to test the amp.
Preamp Outputs
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.
Built-in Crossover

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Amp Bluetooth Connectivity
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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MTX MUD502 - Open Box, Great

200W Peak (100W RMS) 2-Channel Ultra-Compact Class D Amplifier

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MTX MUD502 - Open Box, Great

200W Peak (100W RMS) 2-Channel Ultra-Compact Class D Amplifier

• 25 Watts RMS x 2 @ 4 ohm
• 50 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 200 Watts
• Fixed high-pass filter: 80 Hz
• Frequency Response: 11 - 40,000 Hz
• Speaker-level (high-level) inputs
• Class D Full Range

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

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Was $189.95 Details
$152.95

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• 25 Watts RMS x 2 @ 4 ohm
• 50 Watts RMS x 2 @ 2 ohm
• Total Peak Power: 200 Watts
• Fixed high-pass filter: 80 Hz
• Frequency Response: 11 - 40,000 Hz
• Speaker-level (high-level) inputs
• Class D Full Range

MTX MUD1004 - Open Box, Great

800W Peak (400W RMS) 4-Channel Compact Class D Power Sports Amplifier for Install In Car, Off-Road, SSV and more...

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MTX MUD1004 - Open Box, Great

800W Peak (400W RMS) 4-Channel Compact Class D Power Sports Amplifier for Install In Car, Off-Road, SSV and more...

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 800 Watts
• Selectable Front high-pass filter: 80 / 200 Hz
• Speaker-level (high-level) inputs

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

2
Was $379.95 Details
$273.42

In stock

Add to Cart

• 50 Watts RMS x 4 @ 4 ohm
• 100 Watts RMS x 4 @ 2 ohm
• Total Peak Power: 800 Watts
• Selectable Front high-pass filter: 80 / 200 Hz
• Speaker-level (high-level) inputs

Lowest price in 30 days

Hertz SP 4.500 (Open Box, Great)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

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Hertz SP 4.500 (Open Box, Great)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

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FREE 1-day shipping to OH. Get it Wed, Nov. 19

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Universal Fitment Icon Universal-fit, works with nearly all vehicles.

Was $500.00 Details
$359.99

In stock

Add to Cart

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

Lowest price in 30 days

Hertz SP 4.500 (Open-box, Like New)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

SP 4.500 big
Go to item page Right Arrow Icon of Right Arrow

Hertz SP 4.500 (Open-box, Like New)

600W RMS Class D SPL Show Series 4-Channel Compact Full Range Car Amplifier

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

shipping truck icon
FREE 1-day shipping to OH. Get it Wed, Nov. 19

empty

Universal Fitment Icon Universal-fit, works with nearly all vehicles.

Was $500.00 Details
$359.99

In stock

Only 3 Left!

Add to Cart

• 4 Channel: 90 watts x 4 channel @ 4 ohm
• 4 Channel: 150 watts x 4 channel @ 2 ohm
• 3 Channel: 80 watts x 2 channel @ 4 ohm + 330 watts x 1 channel @ 4 ohm
• 3 Channel: 145 watts x 2 channel @ 2 ohm + 300 watts x 1 channel @ 4 ohm
• 2 Channel: 300 watts x 2 channel @ 4-ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Marine Amplifier

 
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    FAQ Frequently asked questions in Motorcycle Amplifiers

    Motorcycle Amplifiers Frequently Asked Questions (FAQ)
    A motorcycle amplifier is an electronic device designed to increase the power of audio signals coming from a source, such as a radio, smartphone, or music player. It enhances the audio quality and allows riders to enjoy clearer and more powerful sound while riding their motorcycles.
    Motorcycles can be noisy environments, with wind and engine noise making it difficult to hear audio clearly. A motorcycle amplifier helps overcome this by boosting the audio signals, resulting in better sound quality even at higher speeds. It's particularly beneficial when using speakers or headphones while riding.
    Installing a motorcycle amplifier requires connecting it to a power source, usually the motorcycle's battery, and to the audio source. The amplifier also needs to be connected to speakers or headphones. Installation methods vary based on the amplifier and motorcycle model. It's recommended to follow the manufacturer's instructions or consult a professional if you're not familiar with electrical installations.
    Yes, most motorcycle amplifiers are designed to work with a variety of audio systems, including factory-installed systems and aftermarket setups. However, it's essential to ensure compatibility before purchasing. Check the amplifier's specifications and compatibility with your audio source and speakers.
    Motorcycle amplifiers are designed to draw power from the battery efficiently. Many modern amplifiers have features like auto-turn-off to prevent battery drainage when the motorcycle is not in use. However, it's a good practice to use a properly sized fuse and ensure the amplifier is properly connected to prevent any potential battery issues.

    All About Motorcycle Amplifiers

    If you want your motorcycle audio system to perform well, consider getting a motorcycle amplifier. In addition to increasing the signal, amplifiers can also improve audio clarity, lower noise, and distortion, and divide it into multiple channels for various speaker pairs. Amplifiers for motorcycles must be built to survive extremely high or low temperatures as well as engine vibrations because they are frequently positioned on the chassis behind the seat or gas tank. Most amplifier classes for motorcycles are Class D due to their compact size, but other classes such as Class A/B can also be installed. Select motorcycle amplifiers also have a built-in crossover that is set to full, high-pass, or low-pass filters. 

    When playing your favorite music loudly at highway speeds, your amplifier must have a peak power that is equal to or slightly higher than the total power ratings of all of your speakers. The installation of many aftermarket amplifiers and speaker systems is as easy as plugging them in. Detailed, step-by-step installation instructions are provided. Bring your bike to our expert mechanics if you don't have all the necessary tools or believe that the job is a little outside of your area of expertise in order to prevent accidents and equipment damage and to ensure that the installation is done correctly.

    Sonic Electronix is your number one destination for all things related to motorcycle audio. Our online store specializes in motorcycle audio equipment that is guaranteed tough and weatherproof. We have Harley-Davidson-specific audio packages, universal motorcycle stereos, speakers, handlebar speakers, amplifiers, handlebar audio control interfaces, motorcycle batteries, and more.

    Discover the Best Quality Motorcycle Amplifiers Exclusively Here!

    Elevate your two-wheeled adventures to an entirely new level with Sonic Electronix's premium selection of motorcycle amplifiers. Whether you're cruising on the highway or tackling rugged terrains, our range of high-quality amplifiers is designed to deliver exceptional sound and performance, ensuring that every ride becomes an auditory masterpiece. If you're in search of motorcycle amplifiers that combine power, clarity, and durability, look no further – you're about to embark on a journey of superior sound and unprecedented riding enjoyment.

    Motorcycle amplifiers are the secret ingredient that takes your audio experience from good to extraordinary. Here's why investing in a top-notch amplifier is a game-changer for any rider:

    1. Unrivaled Sound Quality: Motorcycle amplifiers enhance the power of your audio system, ensuring that every beat, melody, and note is crystal clear and powerful even amidst the noise of the open road.

    2. Increased Volume: Cruise with confidence knowing that your music will be heard over the roar of the engine and the wind. Motorcycle amplifiers provide the necessary boost in volume to ensure an immersive and enjoyable listening experience.

    3. Minimal Distortion: Premium motorcycle amplifiers are engineered to minimize distortion, even at high volumes. This means you can enjoy your music at its best without any compromising sound quality.

    4. Enhanced Bass: Feel the pulse of the music as powerful bass notes resonate through your bike. Motorcycle amplifiers add depth to your audio, ensuring a well-rounded and immersive sound profile.

    5. Weatherproof Design: Our range of motorcycle amplifiers is designed to withstand the elements. Rain or shine, your amplifier will continue to deliver exceptional performance without compromising its longevity.

    At Sonic Electronix, we're committed to providing you with the finest selection of motorcycle amplifiers that combine performance, reliability, and cutting-edge technology. Our collection caters to a variety of riding preferences, ensuring that you find an amplifier that seamlessly integrates into your bike and enhances your audio experience.

    Expert Assistance for Your Amplification Journey

    We believe that exceptional products should be accompanied by exceptional service. Our dedicated team at Sonic Electronix is always ready to assist you in finding the perfect motorcycle amplifier for your needs. With a deep understanding of audio systems and a passion for rider satisfaction, our staff is here to offer expert guidance and recommendations.

    Let Us Help You Discover Your Ideal Motorcycle Amplifier

    Eager to harness the power of pristine audio on your motorcycle journeys? Reach out to us at 1-502-200-8010, and let our knowledgeable team guide you through our extensive range of motorcycle amplifiers. Whether you're seeking impressive power, intricate detail, or a perfect balance of both, we're here to help you make an informed decision.

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