Speaker Size (In): 10 Watts RMS: 1200 Impedance: S2 VCD (In): 3 Frequency Response (Hz): 60 – 3.5k Fs (Hz): 53 Qms: 7.35 Qes: 0.456 Qts: 0.43 Vas (Liters): 19.88 BL (TM): 16 Xmax (MM): 15 Suspension Travel (MM): 30 Mounting Diameter (In): 9.375 Mounting Diameter (MM): 238 Mounting Depth (In): 4.75 Mounting Depth (MM): 121