SKU: GVZG5W892T |  Mfg. Part: MA840B  | UPC: 731128084015  | 
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Poly-planar MA840B MA-840 80 Watt Subcompact Box Speaker - Black

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Condition: New

$40.42  $54.57
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Product Overview

MA-840 80 Watt Subcompact Box Speaker - Black

These subcompact box speakers are designed to fit in difficult locations and still offer high quality music sound. The ultra-low magnetic field design lets you mount them anywhere without adversely affecting navigation equipment such as compasses and autopilots. 

Polypropylene cones, stainless steel grills and brackets, and heavy-duty ABS enclosures make them corrosion-proof and waterproof. 

Features:

  • Ideal for locations where other speakers won't fit
  • Ultra-low magnetic field speaker
  • Stainless steel grill and bracket

Specifications:

  • Type - 2-way Coaxial
  • Cone Size - 3" (76.2mm)
  • Speaker Impedance- 4 ohms
  • Peak Power - 80 watts
  • Continuous Power - 40 watts 
  • Overall Dimensions - 4-3/16" x 4-1/16" x 4-1/2" (106mm x 102mm x114mm)

*Sold as a Pair

Technical Specifications

Subcompact Box Speakers
Part Number: MA-840B

These subcompact box speakers are designed to fit in difficult locations and still offer high quality music sound. The ultra-low magnetic field design lets you mount them anywhere without adversely affecting navigation equipment such as compasses and autopilots. Polypropylene cones, stainless steel grills and brackets, and heavy-duty ABS enclosures make them corrosion-proof and waterproof. Dual cone design with 3 main cone size.

Features
  • Ideal for locations where other speakers wont fit
  • Only 4 x 4
  • Ultra-low magnetic field speaker
  • Stainless steel grill and bracket
  • Available in black and white


Specifications
  • Frequency Response: 70Hz to 14KHz (Single cone)
  • Peak Power: 80W per pair
  • Continuous Power: 40W RMS/pair
  • Impedance: 4 ohms
  • Overall Dimensions: 4-3/16 x 4-1/16 x 4-1/2 (106mm x 102mm x114mm)
  • Cone Size: 3-1/2 (89mm)

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Poly-Planar
  • MA840B
  • B000K2K5AS
  • 731128084015
  • New
  • 2.6 lbs
  • 9 X 5 X 5
  • Feb 19, 2026
  • Jun 05, 2018
  • China
Product Identifiers: Brand: Poly-planar • Part #: MA840B • UPC: 731128084015 • ASIN: B000K2K5AS • Category: Consumer Electronics

Poly-planar MA840B MA-840 80 Watt Subcompact Box Speaker - Black

Reviews for Poly-planar MA840B

$40.42