commercial speaker, SPEAKER
1.Model:SB-W420
2.Rated Power:20W
3.Speaker unit Size:4''*2
4.Frequency Response:90Hz--1600Hz
5.Line Voltage:70--100v
6.Sensitivity(1w/1m):90dB
7.Dimension:335*130*125mm
8.Material:Aluminum
2.Rated Power:20W
3.Speaker unit Size:4''*2
4.Frequency Response:90Hz--1600Hz
5.Line Voltage:70--100v
6.Sensitivity(1w/1m):90dB
7.Dimension:335*130*125mm
8.Material:Aluminum
1.Model:SM-410N
2.Rated Power:15W
3.Speaker unit Size:4
4.Frequency Response:100Hz-20KHz
5.Impednce:100v 15W/7.5W/3.8W
6.Sensitivity（1w/1m）:88dB
7.Dimension:152*243*172mm
8.Material:HIPS(Imported from Taiwan)
9.Weight:1.9kg
10.colour:black