MA840 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. Features Ideal for locations where other speakers won’t 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: 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 1/2" (89mm) 1352 Charwood Road • Suite D • Hanover, MD 21076 • Tel (410) 761-4000 • Fax (410) 761-6274 www.polyplanar.com