Boss Audio MCBK634B.64 Kit w/MR634UAB, 4 MR6B Speakers, MRANT10 Antenna [MCBK634B.64]

4Boss Audio MCBK634B.64 Marine Audio Kit – MR634UAB Receiver, 4 MR6B 6.5" Speakers, MRANT10 Antenna & Remote – Black

All-in-One Bluetooth Marine Audio System – Rugged, Reliable & Ready for the Water

The Boss Audio MCBK634B.64 Kit is a complete black marine audio package built for boats, yachts, and outdoor vehicles exposed to the elements. This kit includes the MR634UAB Bluetooth receiver, four MR6B 6.5” full-range marine speakers, the MRANT10 AM/FM antenna, and a wireless remote for effortless control on deck.

Engineered for salt, spray, and sun, this system is IPX6-rated and features conformal-coated PCBs, UV-protected materials, and Bluetooth v2.0 connectivity for hands-free calls and wireless streaming. Whether you’re hosting a party at the dock or cruising offshore, this kit delivers clear, high-volume audio with up to 180W per speaker pair.

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Why You'll Love It

• Complete 4-Speaker Marine System – Everything you need in one box: receiver, 4 speakers, antenna, and remote

• Bluetooth Streaming – Play music wirelessly from any Bluetooth-enabled device

• Built for Harsh Environments – IPX6 weatherproof components stand up to rain, salt, and UV rays

• Full-Range Sound – MR6B dual-cone speakers provide crisp mids and highs

• Expandable Setup – RCA outputs allow connection of amps, subs, and more

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Key Features

Bluetooth & Wireless Convenience

• Stream music via Bluetooth from your smartphone

• Built-in microphone for hands-free calling

• Black wireless remote control for easy operation

Marine-Grade Durability

• Conformal-coated PCB and UV-resistant faceplate

• IPX6-rated for spray and water jet protection

Enhanced Audio Performance

• Four MR6B 6.5” speakers with 180W max (90W RMS) per pair

• Polypropylene cones with treated cloth surrounds for consistent sound

Connectivity Options

• AUX, USB (with 1A charging), SD card input

• Front and rear RCA pre-amp outputs for expanding your audio system

Tuning Flexibility

• Built-in EQ with Pop, Rock, Classic, and Flat presets

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Perfect For

• Boat owners upgrading factory systems

• Pontoon, center console, or deck boats

• RVs, ATVs, and outdoor recreational vehicles

• Fishing trips, coastal cruising, or dock parties

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Technical Specifications

What’s in the Box

• MR634UAB Bluetooth Marine Receiver

• Four MR6B 6.5” Black Marine Speakers

• MRANT10 Marine AM/FM Antenna

• Black Wireless Remote

• 36” 3.5mm Auxiliary Cable

• Mounting Hardware

• User Manuals

Sold as a complete kit.

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Why Choose the MCBK634B.64 Kit?

✅ Plug-and-play system with 4 powerful speakers
✅ Proven durability with IPX6-rated protection
✅ Flexible input/output options for custom audio setups
✅ Hands-free calling and Bluetooth audio
✅ Backed by a 3-Year Platinum Dealer Warranty when purchased from authorized retailers

Users love its value, sound clarity, and straightforward install process. Some note the antenna cable could be longer, and bass is limited due to the dual-cone design—but the system supports external subs for better low-end. A smart choice for budget-friendly, reliable marine sound.

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Frequently Asked Questions

Is it waterproof?
It’s IPX6 weatherproof (resistant to jets and spray), not fully submersible.

Does it stream from my phone?
Yes, Bluetooth v2.0 supports streaming and hands-free calls. USB and AUX are also supported.

Are the speakers truly 6.5"?
Yes, but the cutout is 5.47", so check your existing holes before installation.

Can I add a subwoofer?
Yes. Use the RCA pre-amp outputs to connect a subwoofer or amp.

How many watts is the system?
Each speaker pair delivers 180W max power, for a total of 360W across four speakers.

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Shop the Boss Audio MCBK634B.64 Kit Now

Get loud, clear, and durable audio that performs on the water. The Boss Audio MCBK634B.64 Kit brings everything you need for a high-quality marine sound system, all in one affordable bundle. Order now and take your next boating trip to the next level.