KEY FEATURES: 1.4" Throat diameter 62 mm (2.5 in.) voice coil 130 W Program Power Capacity (1-20 kHz) 109 dB Sensitivity (2-15 kHz) Frequency range 0.8 - 18 kHz Neodymium magnetic structure The ND3662 is light weight powerful 1.4" neodymium driver features an integral dome and suspension made ..