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Boss MC450 Audio System

Package includes four 3" water-resistant speakers and 4-channel amplifier

9 Reviews | 2 questions - 4 answers

Item # 104MC450

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Our take on the Boss MC450 Audio System

Do you have a motorcycle or an ATV without a way to hear your favorite tunes, or a boat that needs accompaniment? Do you want the music to keep playing whatever the weather? The MC450 audio system from Boss can satisfy your needs. It's made to be weatherproof: the MC450's components, including the speakers, circuit boards, and amplifier connections, have been specially coated and sealed to protect them from water.

Weather the weather

Do you have a motorcycle or an ATV without a way to hear your favorite tunes, or a boat that needs accompaniment? Do you want the music to keep playing whatever the weather? The MC450 audio system from Boss can satisfy your needs. It's made to be weatherproof: the MC450's components, including the speakers, circuit boards, and amplifier connections, have been specially coated and sealed to protect them from water.

Ready for anything

The MC450 system boasts four 3” speakers in streamlined chromed plastic pods, with adjustable brackets that attach to a handlebar or rail, all powered by a compact 4-channel amp. Connect your media player to the system's 1/8" or RCA input jacks and the system's 1000 watts of power will rock the outdoors. Wherever you go, the MC450 can handle the conditions and pump out the tunes.

Product Highlights:

  • sound system designed for motorcycles, ATVs, UTVs, and boats
  • system includes 4-channel amplifier and four 3" enclosed speakers
  • chromed plastic speaker pods
  • peak power output: 1000 watts
  • includes adjustable mounting brackets
  • marine-grade construction for weather resistance
  • frequency response: 80-15,000 Hz
  • amp dimensions: 4-1/16"L x 3-1/8"W x 1-5/8"H
  • warranty: 3 years
  • Our 60-day money-back guarantee

Great sound and easy install! Great price!

Mike, Choctaw, Ok

What's in the Box:

  • 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

Boss MC450 Audio System Reviews

Average Customer Review(s):

(9 Reviews)

Awesome sounds

Mike from Choctaw, Ok on 4/24/2016

Crutchfield Customer Review (What's this?)

Great sound and easy install! Great price!

Pros: Sounds and power. Easy install.

Cons: Cables need to be grey or chrome and longer.

Road king

Darren from baton rouge, LA on 2/22/2016

Crutchfield Customer Review (What's this?)

Good for price. The mounting brackets are bad. You can hear at 80mph but I have a windshield.

Pros: Can hear. Easy to wire up.

Cons: Bad brackets. No bass

Boss MC450 audio

Willy from Alabama on 10/27/2015

Crutchfield Customer Review (What's this?)

Sounds great and easy to hook up

Pros: Simple concept


Boss MC450 Audio System

craig from Nebraska on 10/24/2015

Crutchfield Customer Review (What's this?)

the speakers sound great in my Kawasaki Mule. the size of the speakers are perfect for any UTV

Pros: sounds good and small

Cons: none

Great product

Ryan from Cassville, Mo on 9/1/2015

Crutchfield Customer Review (What's this?)

Installing was easy but I have experience. It sounds great even with interstate travel. I would recommend to everyone.

Pros: Great sound. Looks good. Quality product from wires to speaker casing.

Cons: Wire length from front speakers to back speakers should be roughly one foot longer or so. I have to add speaker wire to get the back ones connected. That is leaving just enough space for full turning of the handle bars and keeping wires under tank.

Great product

Lloyd from Houston,Tx on 7/14/2015

Crutchfield Customer Review (What's this?)

Great product. Have them installed on my motorcycle and they sound awesome. Need an equalizer to fine tune the sound a bit at higher volumes but overall worth the investment.




JUNE from CLARKSVILLE, TX on 12/30/2014

Crutchfield Customer Review (What's this?)




great deal

junior from seminole oklahoma on 7/25/2014

Crutchfield Customer Review (What's this?)

Great sound system for a motorcycle. Sounds great and looks great.



Great product

Kevin from Greenville, NC on 6/19/2014

Crutchfield Customer Review (What's this?)

This is a great product, and very well priced for what you get in the box. The amp is very small and fits nicely into many cramped areas. There is also a remote volume control with this kit, 2 length bolts for the clamps depending on your mounting choice. The wiring is already done, just plug and play once hooked to power and ground. There is plenty of volume in this package as well. Good overall product and value.

Pros: Ease of installation, you just need to wire into power and ground.

Cons: All 4 speakers are wired into one plug making the process of hiding the wires a little more difficult.


Hands-on research

Product Research


Amplifier Inputs: The amp has two inputs; RCA and mini-jack. Both are live simultaneously, so if both are connected, selection must be made by turning one source off.

Note: If both sources connected to the line inputs (RCA and 3.5mm) are turned on, it's likely you'll hear static through the speakers in addition to music, even if one 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

Extended Warranty: Units purchased from Crutchfield after 3/1/2015 carry an extended warranty relative to purchases from Boss' standard dealer network. The new warranty is 3 years parts and labor.

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 verify what’s in the box, 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.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

My nephew has some and I just purchased a atv. [ colleen  Apr 17, 2016 ]
The power and the looks. I have been told I can trust Crutchfeild. [ Michael  Apr 09, 2016 ]
cheap, addition to boat system [ michael jonas  Mar 11, 2016 ]
apears to be an easy installation, price is right at this time and I need a radio system for my bike [ Tom  Feb 11, 2016 ]

2 questions already asked

I gotchu. what youre going to want to do is tap into 2 of the speakers wires. then run these two wires into a LOC. Line Output Converter. this will convert the high voltage signals into low voltage frequencies (RCA). because the LOC is only barrowing the Frequencies not the power no watts will be lost to the speakers the channels are powering. run the RCA cables to your external amp, and amp to your sub. id recommend the 20000watt 24 inch square jackhammer, but you may need like $15,000 [ michael jonas  Jan 02, 2016 ]
I Don't know when U find out please post so I can do it also thanks... [ Charles  Jun 15, 2015 ]
I mounted two on the handle bars and two on the crash bars. I ran the wires under the tank and mounted the amp in the left saddle bag. I've had no problems with heat at all. The only thing is the included harness is much to short and all 4 speakers attach with one plug to the amp. I spliced additional wire into the harness to make everything reach. I put 3 extra feet on all the wires coming from the speakers, ran everything under the tank, then trimmed what I didn't need before I reattached them to the plug end of the harness. The sound quality isn't bad, it's not high end for sure, but for the price I can't complain. [ John  Jul 09, 2014 ]
My motorcycle has room to keep the wires off the engine and not worry about melting. The wires with this system are not long enough to reach the handlebars though. They are also universally mounted together with a single plug, so hiding the wires is difficult without cutting and splicing. I had to do this with mine, to both get the length I needed and to hide the wires. As a side note too, wind noise is more of a factor than I thought it would be. I have to keep my windshield on the bike to hear it above 40 mph. [ Kevin  Jul 09, 2014 ]