Description: HYS3220 Input Voltage: 70~100V RMS Power: 20W Paper full-range Speaker inside: 5 inch x 2 Response Frequency: 200Hz-15KHz Sensitivity(1m/1w): 90dB Dimension: (L x W x H): 180x115x400mm Case material: AL alloy Grill material: Metal YS3330 Input Voltage: 70~100V RMS Power: 30W Paper full-range Speaker inside: 5 inch x 3 Response Frequency: 200Hz-15KHz Sensitivity(1m/1w): 90dB Dimension: (L x W x H): 180x115x500mm Case material: AL alloy Grill material: Metal HYS3440 Input Voltage: 70~100V RMS Power: 40W Paper full-range Speaker inside: 5 inch x 4 Response Frequency: 200Hz-15KHz Sensitivity(1m/1w): 91dB Dimension: (L x W x H): 180x115x600mm Case material: AL alloy Grill material: Metal HYS3550 Input Voltage: 70~100V RMS Power: 50W Paper full-range Speaker inside: 5 inch x 5 Response Frequency: 200Hz-15KHz Sensitivity(1m/1w): 92dB Dimension: (L x W x H): 180x115x750mm Case material: AL alloy Grill material: Metal HYS3660 Input Voltage: 70~100V RMS Power: 60W Paper full-range Speaker inside: 5 inch x 6 Response Frequency: 200Hz-15KHz Sensitivity(1m/1w): 93dB Dimension: (L x W x H): 180x115x1000mm Case material: AL alloy Grill material: Metal