Ground Zero Kaiutin 16,5 cm 6,5″ Competition 2-Way Coax speaker 4 ohm, 125 / 300 W, SPL 100 dB, 180 Hz - 25 KHz 40 mm / 1.57″ copper-clad aluminum round wire voice coil 35 mm / 1.38″ PEN dome compression tweeter, ABS horn Fiber reinforced paper cone, Extra flat aluminum cast basket Including 6 dB crossover price per piece