DS18 6X9" Marine Speaker Nominal Diameter 6X9" / 152.4 x 228.6 mm Nominal Impedance 4 ohms RMS Power Handling 125W MAX Power Handling 375W Sensitivity (1w/1m) 92dB Frequency Response 40Hz-20KHz Recommended HI Pass Crossover60Hz BODY / FEATURES UV Compliant Yes, 100% Stable Marine Grade TypeIP65 RGB LED Yes, RGB integrated Grill Type Injection Molded Composite ASA with UV Protection coating Pair Yes WOOFER SPECIFICATIONS Voice Coil Diameter 1.4" / 35.5 mm Voice Coil Former Material Kapton Winding Material CCAW Cone Material Injection Molded Polypropylene + UV Compliant Surround Material Butyl (Rubber) Basket Material High Temp Injection Molded Composite with UV Protection coating Magnet Material Ferrite (Y35) + Neodymium (N35) Magnet Weight24oz + 0.75 oz TWEETER SPECIFICATIONS Voice Coil Diameter1" / 25.4 mm Voice Coil Former Material Kapton Winding Material CCAW Diaphragm Material PEN Magnet Material Neodymium (N38H) Magnet Weight 0.51 oz MEASUREMENT Overall Diameter 7.4" x 10.2" / 189x260mm Overall Depth 5.52" / 115mm Front Mount Baffle Cutout 8.6" x 5.9" / 220x150mm Mounting Depth 3.11" / 79mm