Is there any way to adjust the settings on the amp? It doesn't seem like I'm getting full power out of mine???

I've got two of these installed in the fairing of two H-D. Both have worked great till recently. the older one just one day starting putting out about half the volume it use to. I connected a different speaker and no change. I can switch my phone between the two and with the phone volume the same, the newer one is twice as loud. Is this amp about to die?

Kindly recommend 6.5 inch powered speakers with bass of correct Watts & Impendance. Thanks

This amp will have no problem driving 6.5" 4ohm speakers if they are in to 50-150watt range. Remember it is 4 channel

Can this run 4 80w speakers?

Yes. It will do fine w/ 4 speakers especially if they are low end or factory car speakers. If they are aftermarket higher end speakers you may struggle with clean sound at higher volumes...in which case I'd get a better $$ amp

How long is the wire for the remote?

Well friend it’s about 10 feet long if you’re putting this on your motorcycle I definitely recommend it it’s the best add-on I did my bike I can go 80 mph and here Chris music

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MC900B

Product ID: 14398302

Details

Brand
BOSS Audio
Item dimensions L x W x H
7.8 x 3.8 x
Manufacturer
BOSS Audio
Mounting Type
Surface Mount
Number of Channels
4

🔊500W max power output

🔋USB charging port

🌧️Weatherproof design

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Description

🎶 Amplify your outdoor lifestyle with unstoppable sound!

COMPACT LIGHTWEIGHT - Sleek 1.75” x 6.6” x 1.75” design fits anywhere without weighing you down.
POWER YOUR ADVENTURES - 500 Watts max output delivers booming sound for any terrain.
MULTI DEVICE CONNECTIVITY - Aux input and USB charging keep your devices powered and your music flowing.
BUILT TO BRAVE THE ELEMENTS - Weatherproof construction ensures reliable performance on boats, ATVs, and more.
SEAMLESS BLUETOOTH STREAMING - Wirelessly control your playlists with the included remote—no head unit needed.

The BOSS Audio MC900B is a compact, weatherproof 4-channel Class A/B amplifier delivering up to 500 Watts max power. It features Bluetooth streaming with remote control, auxiliary input, and a USB charging port, making it perfect for marine and all-terrain use. Designed for durability and convenience, it supports full-range speakers and subwoofers, backed by a 6-year warranty when purchased through authorized dealers.

Specifications

ASIN	B00IBI518Y
Best Sellers Rank	#123,806 in Electronics ( See Top 100 in Electronics ) #287 in Car Multichannel Amplifiers
Brand Name	BOSS Audio Systems
Customer Reviews	4.2 4.2 out of 5 stars (1,065)
Global Trade Identification Number	00791489100762
Included Components	Multi Function Remote Control
Item Dimensions	7.8 x 3.8 x 1.75 inches
Item Type Name	BOSS Audio Systems MC900B 4 Channel Weatherproof Amplifier – Bluetooth, 500 Watts, Bluetooth Multi-Function Remote, Full Range, Class A/B, 4-8 Ohm Stable, Aux-in, RCA Outputs, USB Charging
Manufacturer	BOSS Audio Systems
Material Type	Plastic
Maximum Output Power	500 watts
Model	MC900B
Mounting Type	Surface Mount
Number of Channels	4
Number of Items	1
Number of Packs	1
Output Power	500 watts
Package Type Name	Marine Weather Proof 500-Watt Full Range
Part Number	MC900B
Specification Met	certified frustration-free
UPC	791489100762
Unit Count	1 Count
Warranty Description	3 Year Platinum Online Dealer Warranty valid only on products Sold / Shipped by Amazon.com. This offer is not valid on purchases made from third party market place sellers

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€ 242.89

Duties & taxes included

In stock

Sold byAmazon MonacoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Monaco.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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