Boss Audio ASK904B.64 4 Channel Amplifier 2 Pairs of 6.5" Speaker Kit - White [ASK904B.64]

Description

ASK904B.64 4 Channel Amplifier & 2 Pairs of 6.5" Speaker Kit - White

No room for a stereo head unit?  Want to listen to your music from a Bluetooth enabled device?  No worries.  Boss has taken audio to the next level with a powerful amplifier and weatherproof speaker kit.

This kit packs a punch with the MC900B 4-Channel amplifier w/multi-function controller, a two (2) pairs of 6.5" MR6W speakers, waterproof pouch and a USB/Aux accessory extension cable.

All in one and ready to play all your music on the water or in any environment.

Features:

  • Weatherproof 6.5" MR6W speakers - White
    • Hideaway antenna
  • 4-Channel Weatherproof 500W amplifier with multi-function controller - 

Included in the Box:

  • MC900B Bluetooth amplifier w/multi-function controller 
  • Two (2) pairs of MR6W speakers
  • Waterproof pouch
  • MUSB35 USB/Aux Accessory Extension Cable
  • Mounting hardware
  • Instruction manuals

*Sold as an Individual Kit

WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Specifications:

  • Auxiliary Input: Yes
  • Bluetooth: Yes
  • Color: Black
  • Cover Included: No
  • NMEA 2000: No
  • Power - Output (Watts): 500
  • RCA Input: Yes
  • RCA Output: Yes
  • SiriusXM Ready: No
  • Wired Remote Capable: Yes
  • Wireless Remote Capable: No
  • Box Dimensions: 8"H x 11"W x 16"L WT: 11.6 lbs
  • UPC: 791489123020

Owner's Manual (pdf)
Brochure (pdf)
Product form

ASK904B.64 4 Channel Amplifier & 2 Pairs of 6.5" Speaker Kit - WhiteNo room for a stereo head unit?  Want... Read more

SKU: CWR-60721
Barcode: 791489123020

10 in stock

$449.99$263.50

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    • Shipped today? Order within: Jun 04, 2026 15:00:00 -0400

    Description

    ASK904B.64 4 Channel Amplifier & 2 Pairs of 6.5" Speaker Kit - White

    No room for a stereo head unit?  Want to listen to your music from a Bluetooth enabled device?  No worries.  Boss has taken audio to the next level with a powerful amplifier and weatherproof speaker kit.

    This kit packs a punch with the MC900B 4-Channel amplifier w/multi-function controller, a two (2) pairs of 6.5" MR6W speakers, waterproof pouch and a USB/Aux accessory extension cable.

    All in one and ready to play all your music on the water or in any environment.

    Features:

    • Weatherproof 6.5" MR6W speakers - White
      • Hideaway antenna
    • 4-Channel Weatherproof 500W amplifier with multi-function controller - 

    Included in the Box:

    • MC900B Bluetooth amplifier w/multi-function controller 
    • Two (2) pairs of MR6W speakers
    • Waterproof pouch
    • MUSB35 USB/Aux Accessory Extension Cable
    • Mounting hardware
    • Instruction manuals

    *Sold as an Individual Kit

    WarningWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

    Specifications:

    • Auxiliary Input: Yes
    • Bluetooth: Yes
    • Color: Black
    • Cover Included: No
    • NMEA 2000: No
    • Power - Output (Watts): 500
    • RCA Input: Yes
    • RCA Output: Yes
    • SiriusXM Ready: No
    • Wired Remote Capable: Yes
    • Wireless Remote Capable: No
    • Box Dimensions: 8"H x 11"W x 16"L WT: 11.6 lbs
    • UPC: 791489123020

    Owner's Manual (pdf)
    Brochure (pdf)

    Reviews

    Boss Audio ASK904B.64 4 Channel Amplifier  2 Pairs of 6.5" Speaker Kit - White [ASK904B.64]

    Boss Audio ASK904B.64 4 Channel Amplifier 2 Pairs of 6.5" Speaker Kit - White [ASK904B.64]

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