The speaker is mde of special material , with anti-ageing, anti-sunburn function.

(ce188 ) outdoor column speakers
Mode ce188 ce288 ce388 ce488
Rated power(w): 10w/25w 20w/40w 30w/60w 40w/80w
Line voltage(v): 70v-100v 70v-100v 70v-100v 70v-100v
Sensitivity(1w, 1n): 88db 89db 89db 89db
Freq. Resp. (hz): 140hz-14khz 140hz-14khz 140hz-14khz 140hz-14khz
Dimensions(mm): 310*250*160 410*250*160 510*250*160 610*250*160
Weight: 3kg 5. 5kg 8kg 10. 5kg
Composing: 6. 5"*2+2"*2 6. 5"*4+4"*2 6. 5"*6+2"*2 6. 5"*8+2"*2

(ce310 ) indoor column speakers
Mode ce310 ce320 ce330
Rated power(w): 15w 25w 40w
Line voltage(v): 70v-100v 70v-100v 70v-100v
Sensitivity(1w, 1n): 88± 3db 90± 3db 92± 3db
Freq. Resp. (hz): 80hz-20khz 75hz-20khz 70hz-20khz
Dimensions(mm): 248*117*310 248*117*405 340*142*460

(ce622 ) indoor column speakers
Mode ce622 ce623 ce624
Rated power(w): 20w 30w 40w
Line voltage(v): 70v-100v 70v-100v 70v-100v
Sensitivity(1w, 1n): 90db 89db 89db
Freq. Resp. (hz): 80hz-18khz 80hz-18khz 70hz-18khz
Dimensions(mm): 359*160*115 459*160*115 659*160*115
Weight 1. 9kg 3kg 3. 46kg