1. Frequency Range ：42 Hz - 19 kHz (-10 dB)
2. Frequency Response ：50 Hz - 17 kHz ( ± 3 dB)
3. Coverage Pattern： 100°x 100°
4. Directivity Factor (Q)： 7.1
5. Directivity Index (DI)： 8.5 dB
6. Crossover Modes： Bi-amp/Passive switchable
7. Transducer Power Rating (AES)： LF: 275 W (1100 W peak), 2 hrs250 W (1000 W peak), 100 hrsHF: 50 W (200 W peak), 2 hrs
8. Maximum SPL：Bi-amp mode:LF: 121 dB-SPL cont avg (127 dB peak)HF: 126 dB-SPL cont avg (132 dB peak)Passive mode:121 dB-SPL cont avg (127 dB peak)
9. System Sensitivity (1W @ 1m)： Passive mode: 97 dB SPL
10. Nominal Impedance： 8 ohms
11. Dimensions (H x W x D) ：637 x 422 x 504 mm(25.1 x 16.6 x 19.9 in)
12. Net Weight：25.0 kg (55 lb)