Pyramid MDC5 100 Watts 4-Inch Waterproof Flush mount 2 Way Marine Speaker System
4-Inch Dual Cone Full Range Speakers Completely Waterproof For Marine or Car Door Use Polypropelyne Cone with Cloth Surround Built-In Molded Grill   Molded ABS Plastic Basket 15 Oz. Circuit Magnet Frequency Response: 100 Hz-18Khz Impedance 4 Ohms Mounting Depth: Only 1 1/2 Complete pair with Wire & Mounting Hardware