Hi-end speaker, suitable for school auditorium, outdoor play ground, multi-function room, meeting room, music performance

 [Nominal Impedance]:   8 [Rated Power]:         500 Recommended Amp.]:    500-1000 [Frequency Response]:  50-18 [Sensitivity]:           99 [Maximum SPL]:       132 [Dispersion]:            H90xV40

(WHD)[Dimension]:          408*673*450(kg)[Weight]:

Hi-end speaker, suitable for school auditorium, outdoor play ground, multi-function room, meeting room, music performance

15"full frequency speaker