Alpine SWR-M100 10inch 4 ohm marine subwoofer silver grille

The SWR-M100 works well in free-air applications — it doesn't need an enclosure to deliver great bass. The high-excursion design gives you high performance, no matter where it's installed. Alpine engineered this subwoofer to stand up to heat and humidity, so you'll enjoy great bass, season after season.

Product features:

• 10" 4-ohm marine subwoofer
• molded polypropylene woofer with Santoprene™ rubber surround
• marine-grade Nomex® spider
• high-strength polypropylene frame and waterproof rubber mounting gasket
• suitable for free-air use
• power handling: 300 watts RMS
• peak power handling: 900 watts
• high-excursion design
• Priced and sold as a single unit