MR65ND Marine 6.5" Waterproof Midrange Speaker 650 Watts (8-ohms)

This 6.5" midrange speaker was exclusively designed for marine use. It can be used on cars, boats, other watercraft, motorcycles, and even outdoor applications. This speaker will last through the harshest environments, so you can enjoy your music worry free! Features: Nominal Diameter: 6.5" Inch Nominal Impedance: 8 Ohm RMS Power: 300W MAX Power: 650W Sensitivity (1w/1m): 92.7dB +/- 3dB Frequency range: 102 - 5.3K Hz Voice Coil Diameter: 2" Inch Air Gap Height: 1/4" Inch Thiele & Small Parameters: Resonant Frequency, FS: 102 Hz D.C. Voice Coil Resistance, Re: 6 Ohm Mechanical quality factor, QMS: 10.19 Electrical quality factor, Qes: 0.30 Total Quality Factor, Qts: 0.29 Equivalent Air Volume to Cms, Vas: 3.31L Mechanical Compliance, Cms: 134 uM/N Mechanical Resistance, Rms: 1.12 Kg/s BL Factor, BL: 11.44 N/A Effective Surface Area, Sd: 13.3m M Linear Excursion, Xmax: 3/32" Inch Materials: Basket: Steel Cone: Keviar Surround: Rubber Voice Coil Wire: CCAR Voice Coil Bobbin: Kapt