8 Best Four Wheeler Speakers

Finding the perfect sound system to enhance your ATV or UTV experience can be a daunting task. With so many options available on the market, it can be overwhelming to know which one will give you the sound quality and performance you desire. In this article, we will review and compare several top-rated products to help make your decision easier.

ATV/UTV sound systems have come a long way over the years, evolving from basic setups to sophisticated systems that offer a wide range of features. These weatherproof sound systems are specifically designed to withstand the rugged conditions of outdoor adventures, ensuring that you can enjoy your favorite music while riding through any terrain. Whether you’re cruising through the trails or hosting a party, having a reliable and powerful sound system enhances the overall experience.

In this article, we will take a closer look at the BELVA BPS8RGB UTV/ATV Weatherproof Sound System, the W-KING Portable Loud Bluetooth Speakers, the GoHawk RE8 White Gen.3 Waterproof Bluetooth Motorcycle Stereo Speakers, the GoHawk AN4 Gen.3 All-in-One Built-in Amplifier, the BOSS Audio Systems UTV4BRGB ATV UTV Weatherproof Sound System, the GoHawk TJ4-R Amplifier System, the GoHawk TJ4-W Waterproof Amplifier, and the GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers. By exploring their features, specifications, and customer reviews, we aim to provide you with the necessary information to make an informed purchasing decision. So let’s dive in and discover the perfect sound system for your ATV or UTV adventures!

BELVA UTV/ATV Weatherproof Sound System Dual 8” Speakers with 1” Tweeters

The BELVA BPS8RGB UTV/ATV Weatherproof Sound System is specifically designed to enhance the audio experience while riding a four-wheeler. It is an ideal speaker system for off-road adventures, providing high-quality sound and exceptional durability.

One of the key reasons why this speaker system stands out is its impressive sound quality. The dual 8” speakers and 1” tweeters deliver rich and powerful audio, allowing riders to enjoy their favorite music, podcasts, or radio stations with clarity. The built-in amplifier further enhances the sound, ensuring that it reaches every corner of the ride.

Another feature that makes the BELVA BPS8RGB an excellent choice is its weatherproof design. With an IPX-5 rating, this speaker system can withstand various weather conditions, including rain and dust. Riders can have peace of mind knowing that their speakers are protected from the elements, making it perfect for outdoor adventures.

The BELVA BPS8RGB UTV/ATV Sound System aims to elevate the audio experience for four-wheeler enthusiasts. Its main purpose is to deliver outstanding sound quality while withstanding rugged terrains and weather conditions.

Key features of this product include the dual 8” coaxial speakers, 1” balanced dome titanium tweeters, built-in amplifier, Bluetooth connectivity, aux-in port for wired connections, multi-color illumination for added visual appeal, and a wireless remote for convenient control. The combination of these features ensures an immersive and enjoyable audio experience while riding.

The overall quality of the BELVA BPS8RGB UTV/ATV Sound System is exceptional. The powerful speakers, along with the built-in amplifier and tweeters, provide crystal-clear audio. The weatherproof construction guarantees that the speakers can withstand outdoor elements, such as water, dust, and heavy vibrations.

• Powerful and clear sound quality

• Weatherproof design for durability

• Easy installation process

• Bluetooth connectivity for wireless streaming

• Multi-color illumination adds a visual aesthetic

• May require professional installation in some cases

• Limited volume control range with the wireless remote

With its impressive sound quality, weatherproof design, and user-friendly features, the BELVA BPS8RGB UTV/ATV Weatherproof Sound System is an excellent choice for anyone looking to enhance their four-wheeler audio experience. Whether cruising through muddy trails or embarking on thrilling off-road adventures, this speaker system delivers exceptional performance and durability.

W-KING Portable Bluetooth Speakers with Subwoofer, Outdoor Wireless Waterproof Speaker, Deep Bass, 40H Playtime, Power Bank, TF Card/AUX/EQ, Green

The W-KING Portable Loud Bluetooth Speakers with Subwoofer, 60W(80W Peak) Outdoor Speakers Bluetooth Wireless Waterproof Speaker, Deep Bass/V5.0/40H Play/Power Bank/TF Card/AUX/EQ, Large for Party (Green) is a versatile speaker designed for various uses. Its primary function is to provide high-quality audio for outdoor gatherings, parties, and other events.

One of the reasons why the W-KING Portable Loud Bluetooth Speaker is highly recommended is its exceptional sound quality. With a 60W RMS (80W Peak) HD sound output, this speaker delivers impressive audio performance that is sure to impress any listener. The inclusion of a 7.2” large passive bass radiator design further enhances the sound, producing deep bass tones that resonate clearly even in open environments.

The purpose of the W-KING Portable Loud Bluetooth Speaker is to deliver a powerful and immersive sound experience in a portable and durable package. Some key features that contribute to its functionality include:

• Subwoofer and tweeters: The speaker is equipped with 230W subwoofers and 210W tweeters, creating a rich and balanced sound profile.
• Bluetooth 5.0: With a stable connection up to 100ft, users can easily connect their devices wirelessly and enjoy seamless audio playback.
• IPX6 Waterproof Rating: The speaker is designed to withstand the elements, making it a perfect companion for outdoor activities.
• EQ Modes: The speaker features an EQ button that allows users to switch between different audio profiles, emphasizing bass, middle, or treble frequencies.
• Power Bank Functionality: With a 7.2V 5200mAh battery, the speaker can also serve as a power bank, ensuring that devices stay charged while enjoying music on the go.

The W-KING Portable Loud Bluetooth Speaker boasts excellent overall quality. From its sturdy construction to its advanced audio technology, this speaker is designed to deliver a top-notch audio experience. Users can expect rich, clear sound and reliable performance throughout extended use.

• Powerful 60W RMS (80W Peak) HD sound output

• Subwoofer and tweeters provide a balanced audio experience

• Bluetooth 5.0 for stable wireless connectivity

• IPX6 waterproof rating for outdoor use

• EQ modes for customizable audio profiles

• Power bank functionality for charging devices on the go

• Does not support USB drives

• NFC connection limited to Android devices

The W-KING Portable Loud Bluetooth Speaker is a top-tier option for those seeking a powerful and portable speaker. With its impressive sound quality, durable design, and versatile features, it is an excellent choice for outdoor gatherings, parties, and other events.

GoHawk RE8 Gen.3 Waterproof Bluetooth Motorcycle Speakers

The GoHawk RE8 White Gen.3 Waterproof Bluetooth Motorcycle Stereo Speakers LED Soundbar 7/8-1.25 in. Handlebar Mount MP3 Music Player Audio Amplifier System ATV 4 Wheelers USB AUX FM Radio is primarily designed for use on motorcycles, ATVs, UTVs, 4 wheelers, go-karts, and golf karts.

We love the innovative mounting design of the GoHawk RE8 speakers. With its new ball stub design and mounting clamp, it supports handlebars ranging from 7/8″ to 1 1/4″ in diameter. This allows for a more custom installation experience. The 360-degree swivel-ability adds to its versatility, making it easy to position the speakers exactly where you want them.

The GoHawk RE8 speakers are designed to provide high-quality audio entertainment while riding on your four-wheeler. Featuring a waterproof and durable construction, these speakers are built to withstand outdoor conditions. The 24 white LED strip adds a stylish touch, and the speakers can be turned on and off with just one click.

With Bluetooth wireless connection capabilities of up to 15 meters, you can easily stream your favorite music or radio channels from your smartphone. The speakers also support USB and microSD card MP3 files, as well as FM radio and clock display. The superb crystal sound quality ensures an immersive audio experience, and the digital display adds convenience.

The GoHawk RE8 speakers boast a high level of quality and craftsmanship. The satin finished stereo unit is constructed with high-quality aluminum material, making it durable and long-lasting. The waterproof design ensures that the speakers can withstand water splashes and harsh weather conditions, making them ideal for outdoor use.

• Innovative mounting design with 360-degree swivel-ability

• Waterproof speakers capable of handling outdoor conditions

• Bluetooth wireless connection for streaming music

• USB and microSD card support

• FM radio and clock display

• High-quality aluminum construction

• May not fit all handlebar sizes, so careful measurement is required before purchasing

• Some users may find the installation process slightly more complex compared to other speakers on the market

With its impressive features and reliable performance, the GoHawk RE8 White Gen.3 Waterproof Bluetooth Motorcycle Stereo Speakers are a top choice for those looking to enhance their four-wheeler audio experience. Whether you want to listen to music or stay updated with your favorite radio channels, these speakers deliver quality sound and durability.

GoHawk AN4 Gen.3 All-in-One Amplified 4″ Waterproof Motorcycle Bluetooth Speakers with AUX for Harley ATV RZR UTV 4 Wheeler (Black)

The GoHawk AN4 Gen.3 All-in-One Built-in Amplifier is specifically designed for use on four-wheelers, such as ATVs and UTVs. It is also suitable for motorcycles, including Harley Davidson models and Honda cruisers.

We are impressed with the GoHawk AN4 Gen.3 All-in-One Built-in Amplifier for several reasons. First and foremost, it eliminates the need for an additional amplifier, as it comes with a built-in electronic Class-D amplifier that offers a powerful 300W full-range output. This ensures that users can enjoy their favorite music with excellent sound quality while riding their four-wheelers.

Moreover, the GoHawk AN4 features Bluetooth wireless connectivity, allowing users to stream music and radio channels directly from their smartphones. This feature is compatible with a wide range of devices, including popular models like the iPhone and Samsung Galaxy. Additionally, the speakers support AUX and USB inputs, providing even more versatility when it comes to connecting external audio sources.

The GoHawk AN4 Gen.3 All-in-One Built-in Amplifier is designed to enhance the audio experience of four-wheeler riders. Its key features include a glossy black finished housing, high-quality materials, and a heavy-duty clamp for durability and easy installation. The speakers are also IP56 waterproof, making them perfect for outdoor use.

We can confidently say that the GoHawk AN4 Gen.3 All-in-One Built-in Amplifier is a high-quality product. It is built with attention to detail and uses premium materials, ensuring its longevity and reliability. The inclusion of a full-function wired control further enhances usability and convenience.

• Built-in electronic Class-D amplifier eliminates the need for an additional amplifier

• Bluetooth wireless connectivity for streaming music and radio channels

• AUX and USB inputs for added versatility

• Glossy black finished housing with heavy-duty clamp for durability

• IP56 waterproof design for outdoor use

• Easy installation with included hardware and wiring

• USB drive support only, does not support USB to Phone music playback

• USB charging is not supported

The GoHawk AN4 Gen.3 All-in-One Built-in Amplifier is an excellent choice for four-wheeler enthusiasts who want to enhance their audio experience while riding. With its powerful output, wireless connectivity, and durable design, it offers everything riders need for an enjoyable journey.

BOSS Audio Systems UTV4BRGB ATV UTV Weatherproof Sound System – 4″ Stereo Speakers, 1″ Tweeters, Built-in Amplifier, Bluetooth, Multi-Color Illumination

The BOSS Audio Systems UTV4BRGB ATV UTV Weatherproof Sound System is designed for off-road enthusiasts who want to enhance their riding experience with high-quality audio. It is specifically made for ATVs and UTVs, ensuring that it can withstand the rugged conditions faced during outdoor adventures.

There are several reasons why we like the BOSS Audio Systems UTV4BRGB. Firstly, it features multi-color illumination with RGB lights, which allows riders to change the mood and ambiance of their vehicle according to their preference. This feature is especially impressive and eye-catching when riding at night.

Additionally, the built-in Bluetooth functionality enables users to wirelessly stream their favorite music and control apps like Spotify and Pandora through the Bluetooth Remote Control. This seamless integration with popular audio streaming platforms provides convenience and enhances the overall entertainment experience.

The inclusion of a 3.5 mm auxiliary input makes it compatible with various devices such as iPods, iPhones, smartphones, and MP3 players. This versatility enhances the accessibility of the sound system, ensuring that users can enjoy their preferred audio content without any limitations.

The BOSS Audio Systems UTV4BRGB is designed to provide exceptional audio quality in outdoor environments. It is engineered with weatherproofing techniques, boasting an IPX5 rating to protect against the elements. This feature ensures durability and longevity, allowing riders to enjoy their music even in challenging weather conditions.

Moreover, this sound system is amplified by a high-performance built-in Class A/B amplifier. This amplification feature delivers powerful sound and ensures that users can fully immerse themselves in their favorite tunes while riding.

The package includes a remote control for the RGB lights, heavy-duty straps with Velcro for easy mounting, heavy-duty zip ties for secure positioning, a quick connect power extension adaptor, and a user manual. These accessories further enhance the installation process and offer convenience to users.

The BOSS Audio Systems UTV4BRGB provides exceptional audio quality, durability, and aesthetic appeal. Its multi-color illumination and Bluetooth capabilities make it a standout option among four-wheeler speakers. Riders can trust in the brand’s 3-year Platinum Online Dealer Warranty, which is provided when purchasing through Amazon.com.

Pros:

• Multi-color illumination adds visual appeal
• Bluetooth connectivity for wireless music streaming
• Compatibility with various audio devices
• Weatherproofing for protection against the elements
• Powerful amplification for high-quality sound
• Comprehensive package with necessary accessories
• 3-year Platinum Online Dealer Warranty

Cons:

• Professional installation is recommended for optimal functionality
• Customers need to ensure purchase through Amazon.com for warranty coverage

GoHawk Waterproof Bluetooth Motorcycle Stereo Speaker System with Handlebar Mount for Harley Touring Cruiser ATV 4-Wheeler

The GoHawk TJ4-R Amplifier System 4″ Full Range Waterproof Bluetooth Motorcycle Stereo Speakers is designed specifically for use on ATVs and 4-wheelers.

These speakers offer exceptional sound quality and a wide range of features, making them a great choice for anyone looking to enhance their outdoor adventures.

The GoHawk TJ4-R Amplifier System is designed to provide high-quality audio while navigating the rough terrains typically encountered while riding ATVs and 4-wheelers. It features a powerful 2-channel 100W amplifier and two 4″ full-range stereo speakers, delivering superb crystal sound quality.

One of the key features of this product is its waterproof design, allowing riders to enjoy their favorite music even in wet or rugged conditions. The speakers are IP56 water-resistant, ensuring that they can withstand splashes and rain showers. However, it is important to note that the amplifier itself is not waterproof.

With its Bluetooth 5.0 technology, the speakers can wirelessly stream music and radio channels from smartphones, such as iPhone and Samsung Android devices, up to a range of 15 meters. Additionally, the system also supports AUX input and has an FM radio option for added versatility.

The GoHawk TJ4-R Amplifier System is known for its easy installation and universal fit for handlebars ranging from 1 to 1.5 inches. It comes with all the necessary hardware and wiring for a plug-and-play setup. The package also includes a full-function wired remote for convenient control while riding.

The GoHawk TJ4-R Amplifier System is built with high-quality materials, including aluminum for the stereo unit and ABS for the speaker housing. This ensures durability and longevity, even in outdoor conditions. The speakers themselves are designed with a glossy black finish and a full-range speaker core, providing high-performance bass and impressive sound output.

Pros:

• Powerful amplifier for excellent sound quality
• Waterproof design for outdoor use
• Bluetooth and FM radio options for versatile audio sources
• Easy installation process
• Durable construction for long-lasting performance

Cons:

• The amplifier is not waterproof, so caution must be taken during wet conditions

The GoHawk TJ4-R Amplifier System 4″ Full Range Waterproof Bluetooth Motorcycle Stereo Speakers is a top choice for ATV and 4-wheeler enthusiasts who want to elevate their riding experience with high-quality audio.

GoHawk TJ4-W Waterproof Amplifier Bluetooth Motorcycle Speakers

The GoHawk TJ4-W Waterproof Amplifier 4″ Full Range Bluetooth Motorcycle Stereo Speakers are primarily designed for use on motorcycles, ATVs, and 4-wheelers. They are specifically created to enhance the audio experience while cruising on your favorite outdoor ride.

We are fond of the GoHawk TJ4-W Waterproof Amplifier 4″ Full Range Bluetooth Motorcycle Stereo Speakers due to their exceptional features and performance. These speakers bring a whole new level of entertainment to your outdoor adventures, allowing you to enjoy your favorite music, radio channels, and more while on the go.

The GoHawk TJ4-W Waterproof Amplifier 4″ Full Range Bluetooth Motorcycle Stereo Speakers are designed to provide a powerful and immersive audio experience for riders. The speakers come with a compact 2-channel 100W amplifier that produces crystal-clear sound quality. With two 4″ full-range stereo speakers, the system delivers rich and vibrant audio, enhancing your ride’s enjoyment.

The speakers feature a swivel-able handlebar clamp that offers a universal fit for 1 to 1.25″ bar sizes, ensuring compatibility with various motorcycle models. They also support Bluetooth wireless connection up to 15 meters, allowing you to wirelessly stream music from your smartphone or other Bluetooth-enabled devices.

Other notable features include USB drive support for music playback, a 3.5mm audio jack AUX-IN for additional connectivity options, and a built-in FM radio. The speakers are also IP56 water-resistant, making them suitable for outdoor use in various weather conditions.

The overall quality of the GoHawk TJ4-W Waterproof Amplifier 4″ Full Range Bluetooth Motorcycle Stereo Speakers is exceptional. Built with high-quality materials like aluminum and ABS, the speakers are durable and designed to withstand the rigors of outdoor use. The waterproof design adds an extra layer of reliability, ensuring that the speakers can endure rain showers or splashes without compromising their performance.

• Wireless Bluetooth streaming capability

• Clear and immersive sound quality

• Waterproof design for outdoor durability

• Universal fit for various handlebar sizes

• Easy installation with included hardware and wiring

• Charging via USB is not supported

• Speaker cable extension sold separately

Waterproof Bluetooth Motorcycle Speakers Soundbar with LED for 7/8-1.25 in. Handlebars MP3 Music Player Amplifier System ATV 4-Wheelers, USB, AUX, FM Radio

The GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers LED Soundbar is designed to enhance the audio experience for riders of motorcycles, ATVs, UTVs, 4-wheelers, go-karts, and golf karts. Its innovative design makes it perfect for outdoor use, allowing riders to enjoy their favorite music and radio channels while on the move.

We like the GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers LED Soundbar because of its outstanding performance and durability. It is specifically designed for outdoor use, making it ideal for riders who love to explore rugged terrains or enjoy long rides. The waterproof design ensures the speakers are protected from rain or accidental splashes, prolonging their lifespan.

The purpose of the GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers LED Soundbar is to provide riders with an immersive audio experience while on their vehicles. With its high-performance power amplifier and superb crystal sound quality, riders can enjoy their favorite tunes with exceptional clarity. The soundbar also features a digital display and a clock display, adding to its functionality.

Key features of the GoHawk RE8 include its Bluetooth wireless connection that allows riders to stream music and radio channels from their smartphones. The speakers also support USB MP3 files, and they have an FM radio function for added entertainment. Additionally, the 24 white LEDs strip on the soundbar enhances visibility and adds a stylish touch.

The overall quality of the GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers LED Soundbar is excellent. The speakers are made with high-quality aluminum material, ensuring durability and longevity. The advanced waterproof design provides peace of mind, knowing that the speakers are protected even in wet conditions.

Pros:

• Innovative mounting design with 360-degree swivel-able ball stub
• Compatible with various vehicles
• Bluetooth wireless connection up to 15 meters
• High-performance power amplifier
• Waterproof design
• Easy installation with plug and play setup

Cons:

• Requires measuring handlebar center clearance before purchase
• Some riders may prefer more extensive handlebar clearance

The GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers LED Soundbar is an excellent choice for riders seeking to enhance their audio experience while on their vehicles. Its impressive features, durability, and easy installation make it a worthwhile investment. Whether cruising through rough terrains or enjoying a leisurely ride, this soundbar delivers exceptional sound quality and convenience.

Comparison of UTV/ATV Sound Systems

Here is a comparison of the specifications for the eight UTV/ATV sound systems:

Product	Peak Power	Speaker Size	Tweeter Size	Amplifier	Bluetooth	Waterproof Rating	Aux-in	Multi-color Illumination	Remote Control	Power Bank	TF Card	EQ	Handlebar Mount	FM Radio
BELVA BPS8RGB	600W	8″	1″	Built-in	Yes	IPX-5	Yes	Yes	Yes	No	No	No	No	No
W-KING Portable Loud Bluetooth Speakers	80W Peak	Not provided	Not provided	Built-in	Yes	Not specified	Yes	Yes	No	Yes	Yes	Yes	No	No
GoHawk RE8 White Gen.3	Not provided	Not provided	Not provided	Built-in	Yes	Not specified	Yes	Yes	No	No	No	No	Yes	Yes
GoHawk AN4 Gen.3	300W	Not provided	Not provided	Built-in	Yes	Not specified	Yes	No	Yes	No	No	Yes	Yes	No
BOSS Audio Systems UTV4BRGB	Not provided	4″	1″	Built-in	Yes	IPX5	Yes	Yes	Yes	No	No	No	No	No
GoHawk TJ4-R Amplifier System	Not provided	4″	Not provided	Built-in	Yes	Not specified	Yes	No	No	No	No	No	Yes	Yes
GoHawk TJ4-W Waterproof Amplifier	100W	4″	Not provided	Built-in	Yes	Not specified	Yes	No	No	No	No	No	Yes	Yes
GoHawk RE8 Waterproof Bluetooth Speakers	Not provided	Not provided	Not provided	Built-in	Yes	Not specified	Yes	No	No	No	No	No	Yes	Yes

Please note that some specifications are not provided for certain products.

From this comparison, it can be seen that the products vary in terms of peak power, speaker and tweeter sizes, amplifier type, Bluetooth capability, waterproof rating, aux-in support, multi-color illumination, remote control, power bank functionality, TF card compatibility, EQ options, handlebar mount, and FM radio availability. Customers can choose the product that best fits their needs based on these specifications.

Conclusion

After reviewing the features and performance of all eight products, it is clear that each one has its strengths and weaknesses.

The BELVA BPS8RGB UTV/ATV Weatherproof Sound System stands out for its dual 8” speakers and 1” tweeters, providing a powerful and clear sound experience. The built-in amplifier and Bluetooth connectivity make it convenient and versatile. However, some users may find the installation process more complex compared to other options.

The W-KING Portable Loud Bluetooth Speakers offer impressive power and bass, making them ideal for parties and outdoor gatherings. The waterproof feature and long battery life are also great advantages. However, some users may feel that the speaker is too large for easy portability.

The GoHawk RE8 White Gen.3 Waterproof Bluetooth Motorcycle Stereo Speakers are specifically designed for motorcycle riders, with a sturdy construction and easy handlebar mounting. The LED soundbar adds a stylish touch, but the sound quality may not be as powerful as some other options.

The GoHawk AN4 Gen.3 All-in-One Built-in Amplifier 4″ Full Range Waterproof Bluetooth Motorcycle Stereo Speakers are a great choice for those who prefer a compact and all-in-one solution. The AUX and Bluetooth connectivity, as well as the waterproof feature, make it suitable for various outdoor activities. However, some users may find the volume level to be lower than desired.

The BOSS Audio Systems UTV4BRGB ATV UTV Weatherproof Sound System offers multi-color illumination, adding a visual element to the sound experience. The built-in amplifier and Bluetooth connectivity are also notable features. However, some users have reported issues with the reliability of the Bluetooth connection.

The GoHawk TJ4-R Amplifier System provides a robust sound and easy handlebar mounting, making it suitable for Harley Touring Cruiser ATV riders. The AUX and FM radio functionality are also useful features. However, the black color option may not appeal to all users.

The GoHawk TJ4-W Waterproof Amplifier stands out for its versatility, with USB, AUX, and FM radio options in addition to Bluetooth connectivity. The ease of installation and waterproof feature make it a great choice for outdoor adventures. However, some users have reported issues with the FM radio reception.

The GoHawk RE8 Waterproof Bluetooth Motorcycle Stereo Speakers offer a sleek design and LED soundbar, enhancing the aesthetics of any ATV or 4-wheeler. The USB, AUX, and FM radio functionality add to its versatility. However, some users have reported sound distortion at higher volume levels.

Recommendation

Based on the review, the W-KING Portable Loud Bluetooth Speakers would be an ideal choice for those looking for a powerful and portable outdoor speaker. Its deep bass, long battery life, and power bank functionality make it perfect for parties and outdoor gatherings. However, users who prioritize ease of installation and Bluetooth connectivity for their UTV or ATV may prefer the BELVA BPS8RGB UTV/ATV Weatherproof Sound System or the GoHawk AN4 Gen.3 All-in-One Built-in Amplifier 4″ Full Range Waterproof Bluetooth Motorcycle Stereo Speakers.