BOSS AUDIO ASK904B.64 Marine Package Includes 500 Watt Max 4-channel Bluetooth Amplifier, Two Pair 6.5 inch MR6W Marine Speakers, Universal USB cable and Phone Pouch by BOSS Audio

BOSS AUDIO ASK904B.64 Marine Package Includes 500 Watt Max 4-channel Bluetooth Amplifier, Two Pair 6.5 inch MR6W Marine Speakers, Universal USB cable and Phone Pouch by BOSS Audio

Q: I hooked this system up in my boat. It works great until i turn the boat motor on. Then it cuts in and out continuously. Ideas what might be wrong

I’m having the exact same problem. With te engine off it works just fine but ad soon as I turn the engine on in cuts and turns off. I made a completely separate cable and connection straight from the battery and the problem persists. I have a voltage gauge and volts go from 12.6 with the engine off to 14.4 with te engine on which is just fine. I even changed the voltage rectifier in my engine but the problem persists. Its definitely a problem with the amp.

Q: Will the unit still work from a smart phone if the remote gets lost or broken.

The remote is hardwired, if you lose it will not function

4.4/5

Product ID: 734053321

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Details

Item dimensions L x W x H
19.1 x 13.5 x
Voltage
12 Volts
Manufacturer
Boss Audio
Mounting Type
Ceiling Mount
Brand
BOSS Audio

🌊Marine-grade 6.5" speakers

📶Bluetooth & USB connectivity

🔊500W max power

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Description

🌊 Elevate your marine vibe with sound that sails above the rest!

POWER PACKED SOUND - Unleash 500 watts of crystal-clear audio that dominates any marine environment.
NOISE CRUSHING CLARITY - 103 dB signal-to-noise ratio ensures your music stays crisp and immersive, no matter the waves.
MARINE GRADE DURABILITY - 6.5-inch MR6W speakers built to withstand water, salt, and sun—perfect for your boat or outdoor adventures.
SEAMLESS WIRELESS STREAMING - Bluetooth connectivity lets you effortlessly play your favorite playlists on the go.
COMPLETE READY TO GO PACKAGE - Includes amplifier, two pairs of premium speakers, USB cable, and phone pouch for ultimate convenience.

The BOSS AUDIO ASK904B.64 Marine Package delivers a powerful 500-watt max 4-channel Bluetooth amplifier paired with two pairs of rugged 6.5-inch marine-grade speakers. Designed for durability and superior sound clarity with a 103 dB signal-to-noise ratio, this all-in-one kit includes a universal USB cable and phone pouch, making it the ultimate audio upgrade for any boat or outdoor enthusiast.

Specifications

Batteries Required	No
Battery Average Life	4 Hours
Speaker Count	4
Brand	BOSS Audio Systems
Manufacturer	Boss Audio Systems, Inc.
Item Model Number	ASK904B.64
Model Year	15
Connectivity Technology	Bluetooth, USB
Mounting Type	Ceiling Mount
Output Wattage	125
Wattage	500 W
Signal to Noise Ratio	103
Product Dimensions	19.05 x 13.46 x 4.32 cm; 4.54 kg
Item Weight	4.54 kg

Have a Question? See What Others Asked

I hooked this system up in my boat. It works great until i turn the boat motor on. Then it cuts in and out continuously. Ideas what might be wrong

If i install this without a head unit can i control the fade and balance with the inline multi-function remote?

What is the rms of the speakers?

Will the unit still work from a smart phone if the remote gets lost or broken.

Common Questions

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Fantastic experience overall. Will recommend to friends and family.

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Great price for an authentic product. Fast international shipping too!

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