BD SOUND
1. Type: portable passive 4"*4 column speaker (portable line array)

2.Frequency range:110 - 18 Khz( - 10dB)

3.Frequency response:100 -18 Khz (-3dB)

4.RMS Power:300 W 

5.PMPO Power:400 W

6.Maxium SPL: 130 dB

7.Impedance: 4 Ohm

8.Sensitivity: 94 dB

9.LF driver:4"*4,

10. Dispersion range:90°X 55°

11. Pin Connections: Neutrik Speakon NL4(2 pcs parrel connections，NL+1/-1，+1/-1）;

12. Box enclosure: Aluminum alloy with darken

 spay painting and spainted Iron netting with sponage

13. Suspensible