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Boss Audio Systems MGR300B Marine Gauge Style Stereo Receiver

Manufacturer

Boss Audio Systems

<h3>About Boss Audio Systems</h3><p>Founded in 1987 and headquartered in Oxnard, California, <strong>Boss Audio Systems</strong> has spent nearly four decades proving that high-performance sound doesn't have to come with a sky-high price tag. Boss Audio Systems is committed to the idea that quality and value aren't mutually exclusive, dedicated to creating audio gear that enhances your enjoyment of your favorite activities. From weekend road trips to open-water adventures, Boss Audio builds systems that make every journey louder, clearer, and more immersive.</p><h3>A Full Ecosystem of Aftermarket Audio</h3><p>Boss Audio Systems is a leading brand in high-performance audio and entertainment solutions, offering a wide range of products designed for marine, automotive, and power sports applications. Whether you're upgrading the head unit in your daily driver or outfitting a wakeboard boat, Boss Audio has engineered a solution for it. Their catalog spans car and marine stereos, <a href="/7271-boss-audio-systems-speaker-1319">full-range and coaxial speakers</a>, amplifiers, subwoofers, and the full suite of <a href="/201017-stereoelectronic-accessories-boss-audio-systems-7271">stereo and electronic accessories</a> needed to tie any system together cleanly.</p><p>Known for affordability and innovation, Boss Audio delivers powerful sound, modern features, and reliable performance. Their stereo lineup includes single-DIN and double-DIN head units with Apple CarPlay, Android Auto, Bluetooth connectivity, touchscreen displays, and multi-color illumination — technology once reserved for premium-tier brands now available to every enthusiast. Select models even feature large-format capacitive touchscreens up to 14 inches, bringing a truly modern in-dash experience to older vehicles.</p><h3>Speakers Built for Every Environment</h3><p>Boss Audio's cutting-edge speaker systems span car, marine, powersports, and motorcycle applications. Their <a href="/7271-boss-audio-systems-speaker-1319">speaker range</a> covers everything from coaxial full-range car speakers to weatherproof marine tower speakers, ensuring that wherever you drive, ride, or float, your music comes through with power and clarity. Their marine lineup features weather-resistant construction, UV protection, and corrosion-resistant components, ensuring durability in harsh marine environments.</p><h3>Installation Made Simple</h3><p>A great audio system is only as good as its installation, and Boss Audio recognizes that. From wire kits to capacitors and backup cameras, Boss Audio offers a complete range of accessories to make every install clean and professional. Their <a href="/7271-boss-audio-systems-speaker-wire-10132">speaker wire</a> and amp wiring kits include power cable, ground cable, turn-on wire, RCA interconnects, and split loom tubing — everything a DIY installer needs in a single package. Paired with their <a href="/201017-stereoelectronic-accessories-boss-audio-systems-7271">electronic accessories</a>, Boss Audio lets you build a complete system from head unit to speaker without sourcing components from a dozen different brands.</p><h3>Innovation for Life at Full Volume</h3><p>With advanced features like Bluetooth connectivity, USB inputs, touchscreen controls, and app integration, Boss Audio systems provide convenient, high-quality entertainment wherever your adventures take you. As a privately held company with deep roots in the aftermarket audio space, Boss Audio continues to innovate and expand its lineup — staying true to the belief that every driver, boater, and rider deserves a genuinely thrilling sound experience.</p>

Part Number

MGR300B
09/12/2036 2:46 PM
Sale Price

$149.87

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Boss Audio Systems MGR300B is a compact marine-grade stereo receiver designed to fit in a standard gauge hole, making it perfect for boats, UTVs, ATVs, and other powersports vehicles where space is limited. This weatherproof receiver delivers reliable audio performance in harsh outdoor environments.

Key Features:

  • AM/FM radio receiver with switchable US and EU tuner frequencies
  • IPX5 water-resistant and dustproof rating for marine and powersports use
  • Conformal coated PCB for added protection against moisture and corrosion
  • 60 watts x 4 channel amplification for powerful sound
  • Compact 3.15-inch (80mm) cutout diameter fits standard gauge openings
  • Bluetooth audio streaming for wireless music playback
  • USB port with 1A charging capability and firmware update support
  • Aux-in jack compatible with iPod, iPhone, smartphones, and MP3 players
  • Front pre-amp outputs for adding external amplifiers
  • Radio preset memory retains settings even when battery is disconnected
  • Plays MP3 and WMA audio files from USB devices

Ideal for marine, motorcycle, ATV, UTV, and golf cart installations where a traditional DIN-sized stereo won't fit. The MGR300B provides full-featured audio control in a compact, weather-resistant package.

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