KEY FEATURES: 1" Throat diameter 38 mm (1.5 in.) voice coil 60 W Program Power Capacity (2-20 kHz) 105 dB Sensitivity (2-15 kHz) Frequency range 1.5 - 20 kHz Neodymium magnetic structure The ND2539 is a 1" professional compression driver that delivers high sonic quality in a very small package...