JL Audio M3-650X-C-GW 6-1/2" marine speakersClassic marine sound These M3 650X C Gw 6 1 2" marine speakers make both possible, thanks to excellent design and the most durable materials. You can mount them in your boat's cockpit or bulkhead walls, either as stand alones or in conjunction with a subwoofer. Tough enough Supplied with plenty of power, these speakers can overcome that wicked combination of wind, water, and engine noise. The weatherproof mica filled polypropylene cone is suspended in