Tweeter: 1 inch (2.5 cm) aluminum dome, 64 g (2.3 oz.) neodymium magnets, copper pole sleeve, short coil/long gap design with 3mm Xmax, coincidentally mounted with midrange.
Midrange: 4.5 inch (11.5 cm) with aluminum star-diaphragm, 3 inch diameter voice coil, 115 g (4 oz.) neodymium magnet, copper pole sleeve, short coil/long gap design with 6mm Xmax, die cast chassis.
Passive Bass Radiator: racetrack-shaped, foam panel, double surround.
Bandwidth (-3dB): 35 Hz - 20kHz
Frequency Response: 35Hz - 20kHz ±2.5dB
Phase Response: minimum ± 10º
Impedance: 4 ohm (2.4 min@160Hz)
Sensitivity (2.83v - 1m, true anechoic): 87dB
Recommended Power: 100 - 400 watts
Size (inches): 11 x 16.7 x 41
Weight: 77 pounds / 35 kg