Parameters   Model No:CMG 12 12" SEALED SHALLOW SUBWOOFER BOX 2.5" VOICE COIL 28.4 OZ MAGNET PP CONE WITH RUBBER SURROUND 12MM MDF WITH BLUE CARPET COVERED 4 OHM IMPEDANCE 150 WATTS RMS FREQUENCY RESPONSE: 20~300 HZ WOODEN BOX SIZE:550X130X370 MM