Effective Freq.Band:20Hz-20KHz Rated input power:10mW Max.input power:50mW Directivity:Omnidirectional Effective Freq. Band:20Hz-20KHz Max.operation voltage:10V Standard operation voltage:4.5V - Update: 2006-12-14

SPK: 15 Mylar speaker Impedance:32+-15% Ohm Sensitivity:108+-4dB Effective Freq.Band:20Hz-20KHz Rated input power:3mW Max.input power: 5mW MIC:D?6.0X5.0mm Sensitivity:-52+-2dB at 4.5V,2.2KIc (0dB=1V/Pa,1KHz) Directivityi??Omnidirectiona... - Update: 2007-07-17

SPK?? �d30 Mylar speaker Impedance??2?15% Ohm Sensitivity??8?4dB Effective Freq.Band??0Hz-20KHz Rated input power??0mW Max.input power?? 50mW MIC???.0X5.0mm Sensitivity??52?2dB at 4.5V,2.2K? (0dB=1V/Pa,1KHz) Directivity??mnidirectio... - Update: 2006-09-25