3S-124 is a powerful 12" inch coil 4 ohm car subwoofer speaker. It has a structural design that allows it to be functional and efficient, providing great resistance to prolonged use in a safe way and at the same time offering excellent sound. This subwoofer is made with: - 12inch Black texture finish die-casting basket.- Fiber reinforced paper cone.- Foam surrounds silver stitching.- 3'' 4-layer high temperature resistant CCA wire voice coil.- Paper dust cap.- Triple stacked high energy 234 Oz magnets.- Direct cooling design T-yoke with black anodized treatment. - Double black spider with mirrored layout.- 4GA copper push ing terminal. **Product Exclusive to USA** Technical Data Model 3S-124 Voice Coil Diameter inch 3’’ Impedance Ohm 2X4 Re Ohm 6 FS Hz 38.180 Qms 5.806 Qes 0.586 Qts 0.532 Vas Liter 25.573 Cms 71.257u MMS gr 243.85 Xmax mm 18.5 SPL(1w/1m) 85.7 BL TESLA M 24.47 Power W RMS 1500 Max Power 3000