Speaker Size (Inches) 7" MAX Input (Watts) 120, RMS Input (Watts) 60, Impedance (Ohms) 4 Salt Spray ASTM B117, UV STD ASTM D4329 Grille Included, Applications Coax, PEI Black Tweeter (Inches) 1" PP Injection Cone Woofer (silver), Stainless Steel Screw, Santoprene Rubber Surround Edge Gold Plated Terminal, Integrated into Basket Integrated Magnetic Shielding Ferric Oxide Magnet Freqency Response (Hz) 55-20k, Sensitivity (dB) 88