254-ECM644-RO,麦克风 6.0 x 5.0mm -44dB
254-ECM64-RO,麦克风 6.0 x 1.8mm -44dB
254-ECM651-RO,麦克风 NOISE CANC 6x5mm
254-ECM67-RO,麦克风 6 x 5.0mm -47dB
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
