Support Overview / Car & Marine / Car Speakers / Subwoofers / GT4-12

GT4-12

12 inch Subwoofer

Sold from 2006 until 2008

Predecessor Product:	GRAND TOURING GTO 1220
Successor Product:	GT5-12

Documents & Downloads

Manuals

Owners Manual (English) 568.92 KB

Specifications

General Specifications

Frequency Response: 23Hz – 450Hz

Sensitivity (1 watt @ 1 meter): 93dB

Nominal Impedance: 4 ohms

Voice-Coil Diameter: 2 inches

Overall Diameter: 12.24 inches

Vas: 3.55 cubic feet

Qts: 0.43

Fs: 24.75Hz

Qes: 0.46

Qms: 6.46

Sealed Enclosure (vol): 1 cubic foot

Vented Enclosure (vol): 2.26 cubic feet

Dimensions

Mounting Depth: 6.34 inches

Cutout Dimensions: 11.14 inches

For anyone who likes to crank it up in the car, the new JBL® 305mm (12 inch) high-output GT4-12 subwoofer is the real deal. The JBL GT4-12 subwoofer features a single 4-ohm voice coil and a vented motor structure, and offers 1100 watts of peak power handling.