Excellent for Use On Boats/ Marine/ Decks/ Patios/Poolside/ Outdoors Completely Water Proof 6.5'' Aluminum Injection Cone Woofer 50 Oz. Magnet Structure 1'' High Compliance Myiar Tweeter Capacitor Crossover Network Bass Reflex Vent for Added Bass Response Heavy Duty ABS Construction Quick Connect/ Disconnect Speaker Terminals Unique Spring Loaded Mounting System Removable Rustproof Mesh Grills Power: 250Watts RMS/ 500Watts Peak Frequency Response: 30-22K Hz Impedance: 4 Ohms Dimensions: 7.2''(W)x 11.6''(H) x 6.4''(D) Sold as: Pair