16,5 cm / 6.5″ Flat 2-Way Compo system extra flat only 44 mm / 1.73″ 4 ohm, 100 / 140 W, 50 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