SWR-M100 – Great Punch for Marine Sound No comprehensive sound system would be complete without some bloodcurdling bass assistance! Alpine's SWR-M100 25 cm Marine Subwoofer takes listeners on a journey deep into bass. No matter where it is installed on board you will achieve a sound system packed with punch from Alpine's Marine ready Subwoofer!
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300W RMS/ 900W Peak
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4 Ω Impedance
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High Excursion for deep, high output bass
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Infinite Baffle Design for widest application
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Custom high-strength polypropylene frame
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High AMplitude Multi-Roll (HAMR) Surround (Pat. Pend)
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CRC Motor Structure (Patented)
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Thermal Management System
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Integrated Insert & Spade Terminals
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Hidden Screw Mounting & Grille Design
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Waterproof Rubber Mounting Gasket Included
Silver or White? Two available colours - silver and white - enable to aesthetically integrate the woofers into a traditional white cruiser or sailing boat as well as into a modern stylish yacht or sportboat. 
SWR-M100W (white)SWR-M100 (silver) High-Excursion Woofer The SWR-M100 uses a high-excursion woofer design based on Alpine's Type-R car subwoofer that provides huge bass from modest input power. This 25 cm subwoofer puts out 900W peak power for a strong and solid bass performance that will even drown wind noise at high speeds. Marine – Ready Ready for the big splash: Due to their ATSM proven Salt/Fog and UV Marine specification and their NEMA rated water resistance on level 5 all Alpine Marine Speakers exceedingly resist the challenges of the marine environment.
Powerful, Durable Subwoofer The Marine Subwoofer resists adverse conditions that would otherwise degrade sound performance and provides high outdoor sound pressure levels. It comes aboard as an easy-to install free-air application, equipped with high quality that even extends to the gold-plated and 2-way spade/insert terminals. Ready for a splashy, sunny cruise Due to their ATSM proven Salt/Fog and UV Marine specification and their NEMA rated water resistance on level 5 all Alpine Marine Speakers exceedingly resist the challenges of the marine environment. Perfect Amp-Speaker Matching All three Marine Speakers are engineered to work with the PDX Marine Amplifiers for optimum system building capability. Their perfectly aligned audio characteristics provide the highest possible sound quality. Designed for Clean Installation with Maximum Water Resistance Hidden-screw grille design and supplied waterproof rubber mounting gasket allow for clean and leak-free installation. All parts – including the speaker connections – are saltwater corrosion resistant. The SWR-M100 is also equipped with magnetic shielding to avoid interference from other marine electronic devices, which allows its installation anywhere on the boat. High-Strength Frames All models have high-strength polypropylene frames resisting UV-light and corrosion while keeping the motor structure aligned for maximum output. Moreover they are tough enough to handle higher levels of vibration on the boat.
