MS40B 4-Pair

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Package Includes:(8) Rockville MS40B Black 4" 200 Watt Marine Boat Speakers Compact and Powerful Video of MS40: What's In the Box: 2 Speakers Installation Hardware: (8 Stainless St eel Screws + 8 Stainless Steel Speed Clips) Mounting Template Owner's Manual Warranty Card Features: Pair Rockville MS40B 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 Marinized 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 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” Mounting Depth in inches:1.57’’ Shipping weight: 1.76 Lbs Shipping Dimensions:6” x 6” x 5.7” T/S Parameters: Magnet details: F60*F24*8 Y30 Fs:154.7 Hz Re:3.2 ohms Qes:2.57 Qts:1.611 Qms:4.315 Vas:0.847L Cms:210.222UM/N Bl:2.468T MMS:5.029g XMAX:1.5 mm SD:54 cm2 Show more