JL Audio JL Audio M-Series 6.5" Gunmetal Marine Coaxial Speakers

* Continuous Power Handling (RMS): 75 W * Peak Music Power: 200 W * Recommended Amplifier Power (RMS): 25 - 150 W / Ch. * System Efficiency: 89.5 dB @ 1 W / 1 m * System Nominal Impedance: 4 Ω * System Frequency Response: 55 Hz - 25 KHz ± 3 dB * Frame Outer Diameter: 6.90" * Bolt Hole Circle Diameter: 6.13" * Frontal Grille Protrusion*: 0.94" * Mounting Hole Diameter: 5.00 - 5.25" * Mounting Depth: 3.00" * Manufacturer Warranty (authorized online retailer): 2 Years Parts and Labor