Neo 6.5 600 Watts Max Power Handling 2" Voice Coil 96.5 dB Sensitivity 135HZ-12.5KHz of frequency response GENERAL SPECIFICATIONS Nominal Diameter 6.5” (165mm) Max Power Handling 600 w RMS Power Handling 300 w Frequency Response 135Hz-12.5KHZ Nominal Impedance 4ohm Sensitivity 96.5dB Magnet Neodymium Voice Coil Diameter 2" Voice Coil Wire CCAW THIELE-SMALL PARAMETERS Equivalent Volume Vas 2.75 L Free Air Resonance Fs 138 Hz Mechanical Factor Qms 6.53 Electrical Factor Qes 0.35 Total Factor Qts 0.34 Cone Area Sd 136.8cm² Mechanical Mass Mms 12.66 g BI Factor BI 9.92 Tm Dc Resistance Re 3.2 Ohms MOUNTING INFO Overall Diameter 6.69”(210mm) Front Mount Baffle Cutout 5.90"(186mm) Mounting Depth 2.73"(79mm) Overall Depth 3.01"(89.3mm)