DD Audio VO-W508-S4

Speaker Size (In): 8
Watts RMS: 400
Impedance: S4
Frequency Response (Hz): 60 - 8k
Fs (Hz): 60
Qms: 2.169
Qes: 0.645
Qts: 0.497
Vas (Liters): 25.59
dBSPL: 95
Xmax (MM): 8
Suspension Travel (MM): 30
Mounting Diameter (In): 7 3/8
Mounting Diameter (MM): 187.3
Mounting Depth (In): 3.75
Mounting Depth (MM): 96