Pack of 4 Rockville MS525W 5.25" 200 Watt Waterproof 2-Way Marine Boat Speakers — White

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. Product overview: This listing includes a pair of Rockville MS525W 5.25" 2-way marine speakers in white. Rated at 400 Watts peak per pair (200 Watts each) and 200 Watts RMS per pair (100 Watts each), these speakers are built for marine and outdoor environments with IP56 waterproof protection and full marinization against salt and fresh water. Driver construction: Injection molded polypropylene cone with injection molded polypropylene dust cap, cloth surrounds and an aluminum voice coil with ASV winding (1 inch ASV voice coil). The 1 inch tweeter uses a PEI diaphragm with an NdFeB magnet. Acoustic and electrical specs: Impedance: 4 Ohm. Frequency Response: 110Hz 20 Khz. Sensitivity: 87dB @1w/1m. SPL: 87dB ±2dB (at 1M / 1W). Resonant Frequency (F0): 120Hz ±20% at 1V. Magnet: 6 Oz Y30 Ferrite magnet (magnet weight in OZ: 6 OZ; magnet details:?70*?32*10). Voice coil / motor details: 1 inch ASV voice coil; 3MM plate and 3 MM T-yoke. Thiele/Small parameters: Fs: 142 Hz. Re: 3.2 ohms. Qes: 2.08. Qts: 1.3. Qms: 3.467. Vas: 1.712L. Mechanical dimensions: Total Diameter: 5.79 in. Cutout Diameter (for mounting): 5.31 in. Total Height: 2.56 in. Mounting Depth: 1.85 in. Additional features: Anti-UV molded ABS plastic basket and grill; completely waterproof and rustproof to IP56 rating; pre-installed mounting screws included. Ideal for marine, outdoor, and car use. Shipping: Shipping weight: 2.42 Lbs. Shipping dimensions: 6 x 6 x 5.7.