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Poly-Planar  |  SKU: HS-25582

Poly-Planar MS56 Box Subwoofer [MS56]

$124.99 $199.95

Payment

  • Credit Cards: We accept major credit cards, including Visa, Mastercard, American Express, and Discover.
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  • Shop Pay: For faster checkouts and secure payment processing.

Shipping

Ground, 2nd Day Air and Next Day Air available ! Same Day Shipping if your order is placed by 4pm Eastern

Returns

At Harbor Supply, we aim to ensure you’re completely satisfied with your purchase. If you need to return an item, you have 90 days from the date of delivery to initiate a return.

Eligibility for Returns:

To be eligible for a return:

  • The item must be in its original condition—unused, unworn, with all tags still attached, and in its original packaging.
  • You’ll need the receipt or proof of purchase.

Please note, returns must be authorized before sending any items back. Items returned without prior authorization will not be accepted.

Description

MS56 Box Subwoofer

The MS-56 subwoofer is a compact, high-efficiency bass enclosure optimized for marine applications.  Its small size enables it to be easily mounted below seats, under the gunwale area, behind the instrument panel, or in any convenient location. 

The MS-56 is a self-contained bass unit requiring no cutting of panels or holes in the boat interior. It produces solid, deep bass extending down to 40Hz and is the perfect addition to any audio system.

Features:

  • Dual Voicecoil, high-excursion, 5.25" woofer
  • High density, UV stable enclosure
  • Water-resistant
  • Bass-reflex, high-efficiency acoustic design
  • Side vented output ports
  • Compact size and molded-in mounts provide for convenient installation nearly anywhere

Technical Specifications:

  • Max Power - 100W RMS
  • Frequency - 40 Hz - 300 Hz
  • Weight: 8.5 lb (3.8g)
  • Dimensions  (W x L x H) - 8-5/8" x 11.5" x 4-13/16" (218 x 292 x 122mm)

*Sold as an Individual

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.

Specifications:

  • Mounting Style: Surface
  • Watts Max: 100w
  • Cutout Size: N/A
  • QTY: Single
  • Watts RMS: 50w
  • Box Dimensions: 7"H x 11"W x 14"L WT: 8 lbs
  • UPC: 731128005515

Owner's Manual (pdf)
Brochure (pdf)