ROCKVILLE MS40B 4" 200W Marine Boat Speakers - Compact Powerful Waterproof Audio System for Boats, Yachts & Outdoor Marine Use

Description of MS40B: Pair Rockville MS40W 4" 200 Watt Waterproof Marine Boat Speakers. Peak Power: 200 Watts per pair / 100 Watts each. RMS Power: 50 Watts per pair / 25 Watts each. Color: Black. Injection Molded Polypropylene Cone. Aluminum voice coil with ASV winding. Cloth surrounds. Impedance: 4 Ohm. Frequency Response: 122Hz – 20 KHz. Sensitivity: 85dB @1w/1m. High quality magnet: 3. 5 Oz Y30 Ferrite magnet. 1” inch ASV voice coil. IP56 waterproof rating. Fully Marini zed Against Salt & Fresh Water Conditions. Completely Waterproof and rustproof at level IP56. Anti-UV molded ABS plastic basket & grill. Pre-installed mounting screws included. Perfect for marine, outdoor, and car use.

Pair Rockville MS40B Black 4" 200 Watt Marine Boat Speakers Compact and Powerful

Pair Rockville MS40W 4" 200 Watt Waterproof Marine Boat Speakers. Peak Power 200 Watts per pair / 100 Watts each. RMS Power 50 Watts per pair / 25 Watts each. Color Black. Injection Molded Polypropylene Cone. Aluminum voice coil with ASV winding.

Frequency Response 122Hz – 20 KHz. Sensitivity 85dB @1w/1m. High quality magnet 3. 5 Oz Y30 Ferrite magnet. 1” inch ASV voice coil. IP56 waterproof rating.

Anti-UV molded ABS plastic basket & grill. Pre-installed mounting screws included. Perfect for marine, outdoor, and car use. 1” inch Tweeter (Mylar Diaphragm with NdFeB magnet). Injection Molded Polypropylene Dust Cap. SPL 85dB 2dB (at 1M / 1W).

Resonant Frequency (F0) 122Hz + or – 20% at 1V. 3MM plate and 3 MM T-yoke. Total Diameter 5. 12”. Cutout Diameter in Inches for Mounting 3. 66”. Total Height 2. 36”.