JL Audio JL Audio Single 6.5" Component Woofer

* Continuous Power Handling (RMS): 125 W * Peak Music Power: 225 W * Recommended Amplifier Power (RMS): 50 - 175 W / Ch. * Nominal Impedance: 4 Ù * Frequency Response: 50 Hz - 5 KHz ± 3 dB * Voice Coil Resistance (Re): 3.114 Ù * Free Air Resonance (Fs): 54.5 Hz * Reference Efficiency (no): 0.304% * Efficiency: 87.0 dB @ 1W / 1m 93.0 dB @ 1W / 0.5m * 87.0 dB @ 1W / 1m * 93.0 dB @ 1W / 0.5m * Sensitivity: 90.0 dB @ 2.83V / 1m * Electrical “Q” (Qes): 0.669 * Mechanical “Q” (Qms): 6.265 * Total Speaker “Q” (Qts): 0.605 * Equivalent Compliance (Vas): 0.461 cu. ft. (13.05 liters) * Moving Mass (Mms): 17.679 g * Mechanical Compliance (Cms): 0.000482 m/N * Magnetic Strength (BL): 5.31 N/A * Effective Piston Area (Sd): 21.4 sq. in. (0.013807 sq. m) * One Way Linear Excursion (Xmax): 5 mm * Height: 6.5" * Width: 7.2" * Depth: 3.75" * Mounting Hole Diameter: 5.56" * Mounting Depth: 2.77" * Motor Outer Diameter: 3.94" * Shipping: 10 lbs * Manufacturer Warranty (authorized online retailer): 1 Year Limited