254-ECM90-RO,麦克风 9.7 x 6.5mm -50dB
254-ECM92-RO,麦克风 9.7 x 6.7mm -42dB
254-ECM938-RO,麦克风 OMNIDIRECT 9.7x4.5mm
254-ECM9444-RO,麦克风 OMNIDIRECT 9.4x6.5mm
254-ECM944-RO,麦克风 OMNIDIRECT 9.4x6.5mm
254-ECM947-RO,麦克风 UNIDIRECT 9.7x5mm
254-ECM94-RO,麦克风 9.7 x 4.5mm -44dB
254-ECM951-RO,麦克风 UNIDIRECT 9.7x5mm
