14 mm (0.6) polycarbonate dome driver for the highrange above 4000 Hz. Highlights * Ferrofluid-cooled 8 ohm voice coil * 91 dB sensitivity * High power handling Product Details Visaton DTW 72 0.6 Polycarbonate Tweeter Balanced frequency response and excellent omnidirectional sound distribution. Due to the strong magnetic drive and the ultra-light dome in conjunction with the ferrofluid-cooled voice-coil good efficiency and high power handling.