Targa TG-1204SW 12″ Street Series 800w RMS SVC (single voice coil) Subwoofer

FS (Free Air Resonance) – 32.5Hz
SPL (Efficiency, 1W/1M) – 89.5db
Nominal Impedance – 4 Ohms
Qts (Total Speaker “Q”) – 0.42
Qes (Electrical “Q”) – 0.47
Qms (Mechanical “Q”) – 4.83
Vas (Equivalent Compliance) – 74.4L
Mounting Depth: 162mm
Mounting Hole Diameter: 280mm