¡ñ System: Three-way, four driver direct-radiating system, vented enclosure with    rear-firing flared port
¡ñ Drivers: Vifa Ring Radiator tweeter, one custom 4" midrange and two custom    6.5" long-throw aluminum cone woofers
¡ñ Crossover: 500 Hz and 4.0 kHz, 3rd-order alignment
¡ñ Frequency Response: 50 Hz to 20 KHz (± 3 dB)
¡ñ Impedance: 4 Ohms nominal
¡ñ Efficiency: 91 dB (@ 1 watt / 1 meter)
¡ñ Power Rating: 25-150 Watts power handling
¡ñ Dimensions: 12" H x 10.5" D x 25" W (305 x 267 x 635 mm)
¡ñ Weight: 46 lbs (21 kg); ship weight = 54 lbs