Ideal for locations where other speakers won't fit, the Poly-Planar Subcompact Marine Box Speakers are designed to deliver high sound quality even when mounted in difficult locations. The MA-840 Marine Box Speakers' ultra-low magnetic field lets you mount them anywhere without adversely affecting navigation equipment such as compasses and autopilot controls. Polypropylene cones, stainless steel grills and brackets in addition to heavy-duty ABS enclosures combine to give these marine box speakers the corrosion-and waterproof toughness they need to survive in harsh marine environments. Dual cone design with 3'' main cone. Overall Dimensions: 4'' W x 4.25'' H x 4.5'' D.
Rated 4 out of 5 by Ranger676 so far so good
Just installed on my boat and was happy with both the sound quality and ease of installation. Take up very little space and look good.
April 30, 2013
Rated 5 out of 5 by gheenoeer good investment
just installed. They sound good,nice& compact. Seems like they are well constucted and should last a long time.They are also easy to mount.Put them where ever u want ,just 2 screws &your done
February 26, 2013