10 cm / 4″ Flat 2-Way Compo system extra flat only 30 mm / 1.18″ 4 ohm, 60 / 100 W, 70 Hz – 20 KHz Coated paper cone, Resonance free GZ steel basket 19 mm / 0.75″ silkdome tweeter 12 dB cable-crossover incl. tweeter protection. Incl. protection grill