JL Audio JL Audio M-Series 7.7" Gloss White Coaxial Speakers

* Continuous Power Handling (RMS): 100 W * Peak Music Power: 250 W * Recommended RMS Amplifier Power (per Ch.): 40 - 200 W / Ch. * System Efficiency: 91.0 dB @ 1 W / 1 m * System Nominal Impedance: 4Ω * System Frequency Response: 45 Hz - 25 KHz ± 3 dB * Frame Outer Diameter: 7.70" * Bolt Hole Circle Diameter: 6.92" * Frontal Grille Protrusion*: 1.08" * Mounting Hole Diameter: 6.25" * Mounting Depth: 3.32" * Manufacturer Warranty (authorized online retailer): 2 Years Parts and Labor