MA840W – Subcompact Box Speakers

MA840W – Subcompact Box Speakers

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.

  • Ideal for locations where other speakers won’t fit
  • Only 4” x 4”
  • Ultra-low magnetic field speaker
  • Stainless steel grill and bracket
  • Also available in black color speaker (Part# MA840B)


  • Frequency Response: 70Hz to 14KHz
  • Peak Power: 80 watts per pair
  • Continuous Power: 40 watts RMS/pair
  • Impedance: 4 ohms
  • Overall Dimensions: 4 3/16″ x 4 1/16″ x 4 1/2″ (106mm x 102mm x114mm)
  • Cone Size: 3.00″ (76.20mm)