Specifications:

1 x 15", 75mm Core, Bass Driver 
1 x 1.5＂Caliber/75mm core, Compression High Frequency Driver
Frequency Response: 55Hz - 18KHz (-3dB)
Enclosure Acoustic Design: Bass Reflex
Nominal Impedance (Passive): 8 ohms
Nominal Impedance (Bi-Amp): LF - 8ohms, HF - 8ohms
Sensitivity:
Passive: 101dB / 1W / 1M
Bi-Amp:  Low Frequency: 103dB / 1W / 1M 
               High Frequency: 108dB / 1W / 1M
Max. SPL: 132dB (RMS) 1338B (PEAK)
Cover Range (H × V): 100° × 55°
Connectors: 2 × NL4 Socket - One on each side
Passive/Full Range: 1000watts Program  
Bi-Amp:  1300watts Program
                Low Frequency: 1000watts Program 
                High Frequency: 300watts Program