Ground Zero GZCM 8-4FX 791.50 NOK Available BUY Article Number: GZCM 8-4FX Share Information Reviews 20 cm / 8″ Flat Competition Midrange 4 ohm, 100 / 400 W, SPL 94 dB, 150 Hz - 4 KHz 38 mm / 1,5″ copper-clad aluminum round wire voice coil Fiber reinforced paper cone Extra flat steel basket price per piece.