Features:1) Line voltage: 100V2) RMS power: 10W3) Paper full-range speaker inside: 6"4) Response frequency: 150Hz-16kHz5) Sensitivity (1m/1W): 93dB6) Ceiling drilling dimension: 73mm7) Dimensions

Features:1) Line voltage: 100V2) RMS power: 10W3) Paper full-range speaker inside: 6"4) Response frequency: 150Hz-16kHz5) Sensitivity (1m/1W): 93dB6) Ceiling drilling dimension: 73mm7) Dimensions

Features:1) Input voltage: 70-100V2) RMS power: 20/25W3) Paper full-range speaker inside: 5 x 5"4) Response frequency: 100Hz-16kHz5) Sensitivity (1m/1W): 108dB6) Dimensions (L x W x H): 100 x 96

Features:1) Input voltage: 70-100V2) RMS power: 20W3) Paper full-range speaker inside: 2 x 5"4) Response frequency: 200Hz-15kHz5) Sensitivity (1m/1W): 90dB6) Dimensions (L x W x H): 200 x 150 x 4

Features:1) Input voltage: 70-100V2) RMS power: 20/25W3) Paper full-range speaker inside: 5 x 5"4) Response frequency: 100Hz-16kHz5) Sensitivity (1m/1W): 108dB6) Dimensions (L x W x H): 100 x 96

Features:1) Input voltage: 70-100V2) RMS power: 20W3) Paper full-range speaker inside: 2 x 5"4) Response frequency: 200Hz-15kHz5) Sensitivity (1m/1W): 90dB6) Dimensions (L x W x H): 200 x 150 x 4

Features:1) Type: condenser2) Unidirectional3) Impedance: 600Ω ± 30%4) Frequency response: 100Hz-12kHz5) Sensitivity: -70 ± 2dB6) Working voltage: 3V DC7) Cable: 4.3 x 5m (6.3 plug)

Features:1) Type: condenser2) Directional: cordifom - directional3) Impedance: 2k ohms4) Frequency response: 100 - 12kHz5) Sensitivity: -43 +/- 2dB6) Working voltage: 3V DC7) Use distance: 20 - 50cm

Features:1) Type: condenser2) Cordi form directional3) Impedance: 2k ohms4) Frequency response: 100Hz-12kHz5) Sensitivity: -43±2dB6) Working voltage: 3V DC7) Use distance: 20-50m