Ground Zero GZIF 4001FX

10 cm / 4″ Flat 2-Way Coax Speaker extra flat only 30 mm / 1.18″ 4 ohm, 50 / 90 W, 80 Hz - 20 KHz Coated paper cone, Resonance free steel basket 13 mm / 0.51 Mylar tweeter Design-Grill.