BOSS Audio Systems Marine Boat Stereo MR500UABS

The BOSS Audio Systems MR500UABS is a weather-resistant single-DIN marine stereo that delivers Bluetooth streaming, CD/DVD playback, AM/FM radio, USB and auxiliary inputs for reliable on-water audio control.

Designed for boating and outdoor use, the MR500UABS combines multiple playback options with marine-grade weatherproofing and UV-resistant finishes. Its compact single-DIN footprint fits most dash installations, while Bluetooth and wired inputs give you flexible ways to play music, take calls, and connect external devices. The receiver ships with a wireless remote and front/rear pre-amp outputs for expanded speaker setups.

How does the MR500UABS keep music playing while you’re on the water?

The unit uses a range of playback sources so you won’t be tied to any single format. Bluetooth streaming lets you play apps and stored tracks wirelessly, while the front CD/DVD slot, USB port and auxiliary jack accept physical media and wired devices. AM/FM radio provides live stations for talk, news and music.

• Bluetooth audio and hands-free calling for smartphone streaming.
• CD/DVD slot for discs and a USB port for large digital libraries.
• Auxiliary input for MP3 players and other wired devices.
• AM/FM tuner for local radio stations.

Is the MR500UABS built to withstand marine conditions?

Yes—the MR500UABS incorporates moisture-resistant materials and UV-stable coatings to reduce corrosion and sun damage. Its weatherproof construction protects internal components from splashes and salt exposure common in boat environments. Still, proper installation and placement under shelter extend longevity.

• Weatherproof housing and seals against splashing water.
• Special UV coatings to limit sun-related fading and damage.
• Durable controls and faceplate designed for outdoor exposure.
• Professional installation recommended to maintain weather integrity.

What connectivity and outputs will I have for speakers and phones?

The MR500UABS supports both wireless and wired connections: Bluetooth pairs with phones for music and voice control, while the USB and aux inputs accept wired sources. For expanding audio, front and rear pre-amp outputs let you connect external amplifiers and full speaker arrays to achieve boat-wide sound.

• Bluetooth with push-to-talk button for voice assistant access.
• USB port for charging and direct playback of stored audio files.
• Auxiliary input compatible with most mp3 players and phones.
• Front/rear pre-amp outputs (FL/FR, RL/RR) for amplifiers or powered speakers.

How easy is installation and what should I expect in specs?

The MR500UABS installs into a standard single-DIN opening and includes a wireless remote for cockpit control. At roughly 7 x 7.1 x 2.1 inches and about 3.3 pounds, it’s compact enough for most dash cavities. BOSS recommends professional installation to ensure secure mounting and proper weather sealing.

• Single-DIN design fits common marine dash openings.
• Wireless remote included for convenient operation.
• Dimensions: 7" x 7.1" x 2.1"; weight: 3.32 lbs; 50W x 4 output spec.
• 3-year platinum online dealer warranty when purchased through qualifying retailers.

Who is this for: The BOSS MR500UABS suits boat owners and marine enthusiasts who want a compact, versatile stereo with both modern wireless streaming and legacy media options. It’s ideal for users who need a durable, weather-aware receiver for weekend outings, anglers wanting reliable audio on the water, or anyone upgrading a single-DIN dash to add Bluetooth, CD/DVD and USB playback while enabling broader speaker systems.