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Best 4 Channel Amp For Harley (2023 Updated)

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When it comes to finding a 4 channel amp for a Harley, there are a few key points to consider. Whether you’re looking to upgrade the sound system in your Harley or just want to make sure that you’re getting the best sound possible, these five points will help you make the right decision.

First, know the size of the amp you need. You want an amp that's powerful enough to power your speakers but not so powerful that it will be overkill. Knowing the size of the amp you need will help you narrow down your choices.

Second, determine what type of amp you need. Do you need a mono or a 4-channel amp? Mono amps are best for powering just one speaker while 4-channel amps are best for powering multiple speakers.

Third, consider the sound quality of the amp. You want an amp that is going to give you the best sound possible. Look for amps that have features like variable bass boost and adjustable crossover points.

Fourth, decide how much power you need. You want an amp that has enough power to drive your speakers but not so much that it will overpower them.

Finally, look for an amp that has all the features you need. Do you need Bluetooth capability? Do you need a remote control? Make sure you check for these features before you buy.

By following these five points, you’ll be able to find the perfect 4 channel amp for your Harley. With the right amp, you’ll be able to enjoy great sound every time you ride.

10 Best 4 Channel Amp For Harley

1. Soundstream St4.1200d Stealth Series 1200w Class D 4 Channel Amplifier

The Soundstream ST4.1200D Stealth Series 1200W Class D 4 Channel Amplifier is a powerful 4-channel amplifier that is designed to give superior audio performance. It features a hybrid aluminum alloy heatsink for optimum dissipation and a military-grade SMT PCB to maintain dynamic performance. This amplifier has RMS power of 100 watts at 4 ohms, 150 watts at 2 ohms, and 300 watts at 4 ohms when bridged. It also offers full-range operation with 2-ohm stereo and 4-ohm bridged.

The Soundstream ST4.1200D is a great choice for those looking for high-quality sound in their cars, boats, or other vehicles. It has a sleek and modern design that will look great in any setup. It is easy to install and has a package dimension of 7.75" L x 3.0" W x 1.5" H. This amplifier is built to last and can handle any type of music you throw at it. It is also made in China, ensuring that it is of the highest quality.

The Soundstream ST4.1200D is a great option for those who are looking for a powerful amplifier that is capable of delivering superior sound quality. Its hybrid aluminum alloy heatsink and military-grade SMT PCB ensure that it will maintain its dynamic performance no matter the situation. With the ability to handle full-range operation at 2-ohm stereo and 4-ohm bridged, this amplifier is sure to please. It is also easy to install and has a sleek design that will look great in any setup. If you are looking for a powerful amplifier that is capable of delivering superior sound, then the Soundstream ST4.1200D Stealth Series 1200W Class D 4 Channel Amplifier is a great option.

2. Soundstream Sm4.10000d 1000w Max 4 Channel Stealth Series Marine Grade Class D Amplifier – Sm4.1000d

The Soundstream SM4.1000D is a powerful 4-channel class D amplifier designed for marine use. With its 1000-watt maximum power output and 90 watts RMS x 4 at 4 Ohms (125 watts RMS x 4 at 2 Ohms) it can provide ample power to your sound system. It's equipped with a MOSFET power supply for reliable performance and features a quick disconnect RCA/high level wire harness for easy installation. The SM4.1000D also offers preamp and speaker-level inputs for versatile connectivity, plus variable high- and low-pass filters (35-250 Hz, 12 dB/octave) for greater flexibility.

The SM4.1000D amplifier is designed to be durable and reliable, with a marine-grade construction to protect it against harsh weather conditions. It also includes built-in protection circuits against short circuits, thermal overload, DC offset, and more. This ensures your amplifier and speakers are safe from damage even in the most extreme conditions.

The SM4.1000D is a great choice for anyone looking for a powerful and reliable amplifier for their marine sound system. With its 1000-watt maximum power output, MOSFET power supply, quick disconnect RCA/high level wire harness, preamp and speaker-level inputs, and variable high- and low-pass filters, it provides plenty of power and flexibility to make sure your sound system performs to its fullest potential. Whether you're listening to your favorite tunes out on the water or just relaxing at home, the Soundstream SM4.1000D amplifier will make sure you get the most out of your music.

3. Kenwood Kac-M1814 4-Channel Compact Bridgeable Marine/motorsports 400w Max Power Digital Amplifier

The Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports Digital Amplifier is the ideal choice for anyone looking to power their audio system with crystal-clear sound. This powerful, 400W max power amp features digital amplifier technology and a speaker level input with signal sensing turn-on for easy installation and use. With a 2 ohms load capability and high pass filter 50Hz-200Hz, -12dB/oct (A/B), this amplifier ensures maximum sound performance. The power MOS-FET switching power supply ensures a reliable connection while the included 1m (3.3ft) RCA cable allows for easy connection. Whether you are looking to power your marine audio system or your motorsports audio system, the Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports Digital Amplifier is the perfect solution. With the ability to bridge multiple channels, this amplifier provides the ultimate audio experience. Designed with both power and convenience in mind, the Kenwood KAC-M1814 4-Channel Compact Bridgeable Marine/Motorsports Digital Amplifier is the perfect choice for anyone looking for superior audio performance.

4. Boss Audio Mc900b 500w 4-Channel Amp For Atv/utv/car/marine, Bluetooth, Rca Out, Weatherproof.

The BOSS Audio Systems MC900B Amplifier is the perfect device for powering up your ATV, UTV, Car, or Marine vehicle. With 500 Watts Max x 4 @4-Ohms and 94 Watts RMS x 4 @4-Ohms of power, this amplifier packs a punch. The MC900B measures 1.75” x 6.6” x 1.75” and weighs only 2.9 lbs., making it easy to install on any vehicle.

The Bluetooth remote control offers great convenience and lets you stream your music via Bluetooth devices and apps like Spotify and Pandora. The Bluetooth remote also works with audio output from smartphones and MP3 players. With the included USB charging port, you can conveniently charge your USB devices.

This amplifier is also weatherproof, so you don't have to worry about it breaking down due to light weather conditions. It is great for use in ATVs and boats. It is also a Class AB amplifier, giving you the best of both Class A and B amplifiers. With a Full Range amplifier, you can run your speakers and subwoofers.

BOSS Audio Systems provides a powerful 6-year Platinum Online Dealer Warranty so long as the purchase is made through Amazon.com. For optimal performance and safety, we recommend professional installation of this product. Get the BOSS Audio Systems MC900B Amplifier today and power up your audio experience!

5. 2-/4-Channel Universal Amp Wiring Kit For 1998 And Up Harley-Davidson Touring Motorcycles

This 2-/4-Channel Universal Amp Wiring Kit is the perfect solution for 1998 and Up Harley-Davidson Touring Motorcycles. This kit is designed to make installation of an amplifier a breeze while providing a professional-grade finish. The kit comes with power and ground wiring with preterminated ends and ferrule connectors, as well as 16 gauge speaker wire.

The wiring is precut, terminated and loomed for a direct-fit installation. This kit is designed to work on the Street/Electra Glide and Road Glide models and the power and ground wiring is made of 8 gauge OFC copper wire for maximum efficiency and reliability.

The kit also includes a fuse holder and fuse for the power and ground connections. This ensures that your system is correctly powered and protected from any potential damage due to an electrical surge. The included ferrules provide a professional-grade look, as well as a secure connection to the speaker and power wire.

The 2-/4-Channel Universal Amp Wiring Kit for 1998 and Up Harley-Davidson Touring Motorcycles provides a reliable, professional-grade installation solution for amplifiers in these models. The preterminated ends and ferrule connectors provide an easy-to-install solution for amplifiers, as well as a secure and reliable connection. The included fuses protect your system from potential damage due to an electrical surge. This kit is the perfect solution for your amplifier installation needs.

6. Boss Audio Pf1800 4-Ch. 1800w Car Amp, Class A-B, 2-4 Ohm Stable, Bridgeable.

The BOSS Audio Systems PF1800 4 Channel Car Amplifier is an impressive piece of audio engineering, capable of delivering an impressive 1800 Watts of power. This is achieved by offering 450 Watts Max x 4 @2-Ohms, 225 Watts Max x 4 @4-Ohms, and 900 Watts Max x 2 Bridged @4 Ohms, giving you a range of options for powering your speakers and subwoofers.

What makes this amplifier stand out from the competition is its innovative Class A/B Topology. This technology allows for the current to flow through its output transistors with no audio signal, giving you a clear and powerful sound with no distortion. It is also a full-range amplifier, giving you the option to power your speakers, as well as your subwoofers.

The PF1800 also comes with a Mosfet Power Supply, which is an electrical switch that allows for the precise control of the output voltage and current. This is achieved by removing the output current sensing loss, and eliminating all secondary feedback circuitry, resulting in incredible power and sound quality.

In addition, the amplifier comes with Variable Gain Control, allowing you to adjust the amount of signal that is coming from your receiver and going to your amplifier. It also boasts a Variable BASS Boost, giving you the control of exactly how much BASS you want to pump out to your subwoofer(s).

Finally, the PF1800 is bridgeable, allowing for dramatic increases in power output to your speakers and subwoofers by connecting two amplifier channels. The amplifier is 13.5” x 10.31” x 2.25, weighs 12 lbs., and is backed by a powerful 6-year Platinum Online Dealer Warranty when purchased through Amazon.com. Professional installation is recommended to ensure safe and proper functionality.

7. Hogtunes 200 Watt 4 Channel Amp For 2000-2013 Harley-Davidson Flh Touring Models Rev 450-Aa

This Hogtunes 200 Watt 4 Channel Amp is the ideal audio solution for 2000 to 2013 Harley-Davidson FLH Touring Models. Offering 200 Watts of power with its Class A/B amplifier, this amp provides an impressive 50 Watts x 4 at 2 ohms. The new "DC Sensing" technology eliminates the requirement for a remote turn on lead, making installation easier than ever. With its 100% plug and play wiring, adding an additional REV 225-AA amplifier to the system is a breeze.

The Hogtunes 200 Watt 4 Channel Amp is designed to deliver powerful, high quality sound. The four channels of power allow you to configure your audio system however you like. Whether you want to only run the amp, or create a 6 channel system with the addition of a REV 225-AA amplifier, this product will provide you with the sound you’re looking for.

The amp is designed with convenience in mind. The “DC Sensing” feature makes installation hassle-free and eliminates the need for a remote turn on lead. The included plug and play wiring allows easy connection of additional amplifiers. This product is also designed to be durable and reliable. The rugged construction ensures years of enjoyment.

The Hogtunes 200 Watt 4 Channel Amp is the perfect solution for those looking to get the most out of their audio system. With its impressive power output and plug and play wiring, you’ll be able to configure your system to your liking and enjoy high quality sound.

8. Kenwood Kac-M3004 Compact 600w 4-Channel Car/marine/powersports Digital Amplifier

The Kenwood KAC-M3004 is a powerful and compact 4-channel digital amplifier that is ideal for car, marine and powersports applications. With an impressive peak power of 600 Watts and RMS power of 50 Watts x 4 @ 4-Ohm or 75W x 4 @ 2-Ohm, this amplifier is sure to provide users with excellent quality sound.

The KAC-M3004 is built to last with a conformal coated marine grade circuit board that is designed to withstand any environment. It also features a KENWOOD Triangle Indicator Light, 3-Way Protection Circuitry, Balanced Inputs and Speaker-Level (high level) inputs. The amplifier is also designed with selectable crossover modes to give users maximum control over the sound.

What is particularly impressive about the KAC-M3004 is its extremely compact design. This cutting edge KENWOOD Amplifier technology allows the amplifier to measure in at 6-1/2" x 1-3/4" x 3-7/8" – perfect for any vehicle interior or boat.

All these features make the Kenwood KAC-M3004 Compact 600W 4-Channel Car/Marine/Powersports Digital Amplifier an ideal choice for any car, boat, ATV, UTV or powersports application. With its powerful performance and compact design, this amplifier is sure to provide users with exceptional sound quality that they can depend on.

9. Rockford Fosgate Punch Pbr400x4d Compact Chassis 400-Watt Full-Range 4-Channel Amplifier

The Rockford Fosgate Punch PBR400X4D is a compact full-range 4-channel amplifier with 400 Watts RMS of power. Its small size (1.5" x 4.25" x 6.75") allows it to fit into any application, making it an ideal choice for both mobile installs and recreational vehicles, as well as motorcycles. It can be used in either 2 or 4 channel configurations, with RMS Power Output of 50 Watts x 4 @ 4-Ohm or 100 Watts x 4 @ 2-Ohm or 200 Watts x 2 @ 4-Ohm Bridged.

The amplifier features an ultra efficient Class D full range design, which produces maximum power with minimal strain on the vehicle's electrical system. It comes with high level inputs with auto-on feature, as well as differential RCA inputs along with selectable fixed 12dbB/Octave Butterworth Crossovers for easy compatibility. The PBR400X4D is also built with Rockford Fosgate's famous quality, allowing it to handle whatever you throw at it.

The PBR400X4D comes with a 1-year parts and labor warranty when purchased from an authorized Rockford Fosgate reseller. With its small size, high-quality construction, and wide range of features, the Rockford Fosgate Punch PBR400X4D is the perfect choice for anyone looking for a powerful and reliable amplifier. It is an ideal option for both home and mobile applications, allowing users to get the most out of their audio system.

10. Nvx Vadm4 400w Rms 4-Ch. Class D Compact Micro Amp – Marine Certified

The NVX VADM4 400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Compact Micro Amplifier is an ideal choice for anyone who wants reliable and powerful audio performance. This amplifier delivers up to 800 Watts of peak power, and up to 200 Watts of RMS power. It is constructed with cutting edge Micro Class D technology, which allows it to be extremely compact, measuring just 7.2"L x 3.4"W x 1.45"H.

The VADM4 is Marine Certified, which allows it to be installed in nearly any application. It features LED indicator lighting, 3-way protection circuitry, Balanced Differential Inputs, and Speaker-level (high-level) inputs. The amplifier also has selectable crossover modes, allowing you to adjust the sound to meet your specific needs.

The VADM4 is designed to provide superior audio performance and reliability. It is perfect for anyone looking for a powerful and reliable amplifier for their car, marine, or powersports audio system. With its advanced Micro Class D technology, it is capable of providing up to 800 Watts of peak power and 200 Watts of RMS power, making it an ideal choice for anyone looking for clear and powerful audio.

Best 4 Channel Amp For Harley FAQs

How many speakers can a 4 channel amp power?

A 4 channel amplifier can power up to four speakers, assuming the amp is powerful enough for the speakers. To determine the proper power handling for your speakers, you'll need to look at the power ratings for each speaker and make sure the amp can provide enough RMS power to each speaker. It's also important to consider the impedance of the speakers, as a mismatch between the impedance of the speakers and the amp can result in poor sound quality or even damage the amplifier. Finally, you'll need to make sure the amp has sufficient connections for the number of speakers you're looking to power.

What is a 4 channel amp good for?

A 4 channel amplifier is a great choice for anyone who wants to power multiple speakers simultaneously. It can be used to power a car audio system, a home theater system, or even a live sound setup. With a 4 channel amp, you can power up to 4 speakers at once, allowing you to achieve a rich, full sound. The 4 channels can be used to power two sets of stereo speakers, or you can bridge two of the channels together to power a single subwoofer. You can also use the 4 channels to power a combination of speakers and subwoofers. With a 4 channel amp, you can customize your audio setup to your exact needs.

What is the best sound system for a Harley Davidson?

The best sound system for a Harley Davidson depends on the rider's personal preference and budget. Generally, riders will be looking for a system that produces clear, crisp sound and can handle high volumes without distortion. Riders should consider the power handling of the system, ensuring that it can handle the power levels of their bike. Additionally, riders should consider the construction of the system, ensuring that it is durable and corrosion resistant. They should also consider the speaker configuration, as this will help ensure that they get the most out of their sound system. Finally, riders should consider the features and controls, such as Bluetooth and remote control, that are available. With the right sound system, riders can enjoy high-quality sound while riding their Harley Davidson.

Which 4 channel amplifier is best?

The best 4 channel amplifier depends on your budget and specific requirements. If you're looking for a top-of-the-line option, you might consider the Rockford Fosgate R500X1D Prime 1-Channel Class D Amplifier. It features an RCA preamp output and a variable crossover, allowing you to tailor your sound. If you're looking for something more affordable, the Pioneer GM-A4704 4-Channel Bridgeable Amplifier is an excellent choice. It delivers clear sound and plenty of power, making it a great value. If you want something that can handle more power, the Rockford Fosgate PBR300X4 Punch 300 Watt 4-Channel Amplifier is a great option. It's highly efficient and offers plenty of features, making it a great choice for a wide range of applications. Finally, if you're looking for a more budget-friendly option, the Alpine MRV-M500 Mono V-Power Amplifier is an excellent choice. It offers plenty of power and delivers great sound quality, making it a great option for those who are looking for an affordable option.

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