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