Video of MS525W: What's In the Box: 2 Speakers Installation Hardware: (8 Stainless Steel Screws + 8 Stainless Steel Speed Clips) Mounting Template Owner's Manual Warranty Card Features: Pair Rockville MS525W 5.25 400 Watt Waterproof Marine Boat Speakers 2-Way White Peak Power: 400 Watts per pair / 200 Watts each RMS Power: 200 Watts per pair / 100 Watts each Injection Molded Polypropylene Cone Aluminum voice coil with ASV winding Cloth surrounds Impedance: 4 Ohm Frequency Response: 110Hz – 20 Khz Sensitivity:87dB @1w/1m High quality magnet: 6 Oz Y30 Ferrite magnet 1” inch ASV voice coil IP56 waterproof 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: (PEI Diaphragm with NdFeB magnet) Injection Molded Polypropylene D ust Cap SPL: 87dB ± 2dB (at 1M / 1W) Resonant Frequency (F0) 120Hz + or – 20% at 1V 3MM plate and 3 MM T-yoke Total Diameter: 5.79” Cutout Diameter in Inches for Mounting: 5.31” Total Height: 2.56” Mounting Depth in inches:1.85’’ Shipping weight: 2.42 Lbs Shipping Dimensions:6” x 6” x 5.7” T/S Parameters: Magnet weight in OZ:6 OZ Magnet details:F70*F32*10 Fs:142 Hz Re:3.2 ohms Qes:2.08 Qts:1.3 Qms:3.467 Vas:1.712L Cms:195.49UM/N Bl:2.967 MMS:6.4g XMAX:1.5 mm SD:78.54 cm 2