Check the listing for details. DIAMOND MS69CX – 6”X 9” 2-WAY High Output Coaxsub Speaker System, Pair. Condition: New. Listed at 419.99 USD. 6 X 9 2-Way High Power MotorSport CoaXSubManufactured to IPx65 Marine Grade Compliant Specifications1″ High Output Titanium Dome TweeterUV-Treated Thermal Molded Waterproof Kevlar Cone with Rubber Surround12dB Bessel Crossover NetworkSuper High Energy Ferrite Motor System With Milled Aluminum Top PlateT-Yoke Back Plate Drilled For 35% More Cooling, Increased Power HandlingHigh-Temperature Cast Aluminum Basket Nominal Diameter – inch (mm)6×9 (152.4×228.6mm)Description2-Way ConcentricNominal Impedance (Ohms)4ΩFrequency Response (Hz)45-23kHzKapton Voice Coil Diameter – inch (mm)1.4 (35.5)Power Handling – Watts (RMS/Peak)125/500Fs – Free Air Resonance (Hz)46HzQts0.783Vas – cu. ft. (Liter)0.159 (4.5)Sensitivity (1W/1M)90.5dBSensitivity (2.83V/1M)93.5dBXmax – Inch (mm)0.16 (4)Mounting Diameter8.875″ (225.5mm) x 6.125″ (155.6mm)Mounting Depth3.875″ (98.425mm)GrilleYES