Boss Audio MCBK634B64 Bluetooth Weatherproof Marine Receiver Package w/ 2 pairs of 6.5" Speakers, Black

Four Speakers. One Package. Built for the Marine Environment.

The Boss Audio MCBK634B64 is a complete Bluetooth marine receiver package that comes with two pairs of weatherproof 6.5" speakers — enough to cover the bow and stern, or port and starboard, in a single purchase. In black, with a conformal coated PCB and weatherproof construction throughout, this kit is designed to look sharp and hold up wherever you take it.

Single-DIN fit, wireless remote, USB charging, and global tuner frequencies make this a versatile, ready-to-install solution for any boat looking to upgrade its audio from the ground up.

What’s Included

• Boss Marine Receiver (Single-DIN, Bluetooth)
• 2 Pairs of Boss 6.5" Weatherproof Marine Speakers (4 speakers total), Black
• Wireless Remote Control

Key Features

• Bluetooth Hands-Free & Audio Streaming — Stream music wirelessly and make/receive calls from your smartphone
• Weatherproof Construction — Receiver and speakers built to withstand marine exposure, salt air, and moisture
• Conformal Coated PCB — Circuit board sealed against humidity and corrosion for long-term marine reliability
• 2 Pairs of 6.5" Speakers Included — 180W MAX total; dual cone design with composite basket for marine durability
• Single-DIN Fit — Fits standard single-DIN dash openings
• USB Port with 1A Charging — Charge your device while you listen
• Aux-In — Wired input for any audio source
• Switchable US & EU Tuner Frequencies — FM/AM tuner works in North America and Europe
• Smartphone & MP3 Player Compatible — Works with iPod®, iPhone®, Android, and MP3 players via Bluetooth or aux
• Wireless Remote Included — Full playback control from anywhere on deck
• Black Finish — Clean, modern aesthetic that integrates well with most marine dash and cockpit designs

Specifications

• Brand: Boss Audio Systems
• Model: MCBK634B64
• Color: Black
• DIN Size: Single-DIN
• Speaker Size: 6.5" (2 pairs / 4 speakers)
• Speaker Max Power: 180W total
• Inputs: USB, Aux, Bluetooth
• USB Charging: 1A
• Tuner: FM/AM, US & EU switchable
• Weight: 4.35 kg (9.6 lb)
• Part Number: MCBK634B64

If you’re outfitting a new boat or replacing an aging system, the MCBK634B64 gives you everything needed for full-boat audio coverage — receiver, four speakers, and remote — in one box.

⚓ Parts Desk Insight

• Two pairs means full-boat coverage: Four speakers is enough for a typical small-to-mid-size vessel with bow and stern zones. Customers should plan speaker placement before installation to ensure even sound distribution.
• Conformal coating is a meaningful differentiator: Not all marine receivers have conformal coated PCBs. This feature significantly extends the life of the electronics in high-humidity bilge-adjacent or open-cockpit installations.
• Switchable US/EU tuner is useful for cruisers: Customers who travel internationally or import vessels from Europe will appreciate the ability to switch tuner frequency bands without replacing the unit.
• Single-DIN fitment — confirm before ordering: Double-DIN dash openings require an adapter panel to fit this receiver. Customers should measure their dash opening or check their vessel’s spec sheet before purchasing.