Boss MC470B

All-terrain Bluetooth® speaker and amplifier system

Item #: 104MC470B

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Take your music anywhere

The MC470B speaker system from Boss allows you to to stream music from your phone or other Bluetooth-equipped device to your motorcycle, ATV, or boat. All the components in this weatherproof system, including the speakers, circuit boards, and amplifier connections, have been specially coated and sealed to protect against damage from water and weather. You can connect wirelessly to your favorite device for hours of listening pleasure.

Get connected

The MC470B includes an in-line volume control. The four streamlined 3" speaker pods include adjustable brackets that mount them to a handlebar or rail. You can plug your media player into the system's minijack input or connect via Bluetooth 2.1.  Either way, the system offers plenty of power to drive its four speakers and rock the outdoors. And the system's Bluetooth reception range extends up to 33 feet, so you can keep the music playing even when you're not right next to the system. Wherever you go, the MC470B will be ready to entertain you.

Product Highlights:

  • system includes 4-channel amplifier and four 3" speakers
  • marine-grade construction for weather resistance
  • Bluetooth enabled with auto pairing and reconnect
  • maximum power output: 1000 watts
  • frequency response: 80-15,000 Hz
  • chromed plastic speaker pods
  • in-line volume control
  • includes adjustable mounting brackets
  • warranty: 1 year
  • Our 60-day money-back guarantee

Hands-on research

What's in the box?

Download owner's manual

  • 4 Speakers (each with 37" wire and mounting bracket attached)
  • 4-channel amp (with wiring attached)
  • Wired volume control (attached to amp with 76" cable)
  • Four 0.235" spacers
  • Four 0.185" spacers
  • Four 0.155" spacers
  • Four 0.120" spacers
  • Four 0.078" spacers
  • Four 0.040" spacers
  • Four M10x45mm bolts (installed)
  • Four M10 Split lock washers (installed)
  • Four M10 Flat washers (installed)
  • Four M10x30mm bolts
  • Two 10-amp ATO fuses (one installed/one spare)
  • Four 3/4" Self-tapping screws
  • 4 Small split lock washers
  • 4 Small flat washers
  • User manual
  • Warranty information
  • Boss Facebook note

Product Research


Amplifier Inputs: The amp has three inputs; RCA, mini-jack, and Bluetooth. All three are inputs are live simultaneously, so if more than one is connected, selection must be made by turning all but one source off.

Note: If more than one source connected to the line inputs (RCA and 3.5mm) is turned on, it's likely you'll hear static through the speakers in addition to music, even if the source is muted or paused.

Speaker Mounting: The speakers are designed to mount to a round tube using the adjustable stainless steel clamps. Six different spacer sizes are included for use with tubes from 5/8" to 1-1/2" (approximately). Once the speakers are in place, but before the brackets are tightened, you can adjust the mounting angle. After mounting, the speakers can still swivel almost 360°.

Wiring: All the wiring is fixed length and already attached to the speakers and amplifier. Each speaker has a 37" input wire attached and the wires from all four speakers are attached to a single Molex plug. The speaker output wires and the power and ground wires attached to the amplifier are routed together for 18" in a nylon sleeve. Three inches from the sleeve, the speaker wires are attached to a Molex plug (which connects to the plug attached to the speaker wires). The power and ground wires extend 6-1/2' beyond the sleeve with a 10 amp fuse in-line with the power wire.

Volume: The rotary volume control has a 76" cable attached that plugs into the amp and mounts in a round hole in a panel, 0.27" diameter.


  • Speakers:
    • Width: 4-1/8"
    • Height: 4-1/4"
    • Mounting Height: 5-1/2" (above center of the bar to which the speaker is mounted)
    • Depth: 4-3/4"
  • Amplifier:
    • Width: 2-5/8" (3-1/8" including mounting flange)
    • Height: 1-5/8"
    • Length: 4-3/8" (5" including wiring)


  • Voltage: 10-16 volts DC
  • Max Power: 1,000 watts
  • THD: <0.1%
  • Signal to Noise Ratio: >85 dB
  • Channel Separation: >50 dB
  • Frequency Response: 80 Hz - 15 kHz
  • Sensitivity: 150 mV - 1 V

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Boss MC470B Reviews

Average Customer Review:

2 reviews
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Boss MC470B

Written By Anonymous, Brownsville, TX on Tuesday, October 07, 2014

Crutchfield Customer Review (What's this?)



Written By Marcblue, Detroit mi on Monday, June 09, 2014

Crutchfield Customer Review (What's this?)

It's better then I thought

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