Boss Audio MC520 Handlebar Speaker System - 600w Black 3" BAR MNT BT

Boss Audio MC520 handlebar-mounted Bluetooth speaker system for V-twin cruisers, delivering 600 watts across two 3-inch speakers in weatherproof matte black. Includes FM tuner, USB/SD/aux inputs, and RF remote control for riders who want all-in-one audio without routing through the motorcycle's ignition system.

Features

• 600 watts max power output
• Dual 3-inch weatherproof speakers
• Bluetooth® audio streaming and app control
• FM tuner with preset memory
• USB and SD card ports
• 3.5mm auxiliary input
• RF remote control included
• Adjustable mounting brackets
• Weatherproof rubber control panel cover

Specifications

• Brand: Boss Audio
• Manufacturer Part #: MCBK520B
• UPC: 791489124379
• Max Power: 600 watts
• Speaker Size: 3 inch (2-piece)
• Finish: Matte Black
• Dimensions: 16.2 in W × 5.6 in L × 5 in H
• Weight: 4.96 lbs
• Country of Origin: China

Fitment

Fits V-twin cruisers including Harley-Davidson and Indian Motorcycle models with handlebar-mount compatible frame geometry.

Frequently Asked Questions

Can I control the system while riding?

Yes — the RF remote control lets you change tracks, adjust volume, and toggle inputs without removing your hands from the bars.

Does this connect to my motorcycle's battery or ignition?

The system can be powered independently from your bike's electrical system, giving you audio control separate from the ignition.

What's included in the box?

Two 3-inch speakers, 2-channel amplifier, handlebar brackets, RF remote control, mounting hardware, and weatherproof rubber cover.

Is the system truly weatherproof?

Yes — both speakers and the control panel are sealed against rain and road spray with weatherproof construction and the included rubber cover.

Can I stream music from my phone?

Yes — Bluetooth streaming works with any smartphone, and you can also use USB, SD card, or the 3.5mm aux input for wired audio sources.