The BOYA BY-MM1 is a cardioid microphone, which specially design to improve the sound quality of videos on the basis of build-in microphones. With both TRS cable and TRRS output cable included, it can be used on Smartphones, cameras, camcorders, audio recorders, PCs, and other audio/video recording devices.
| Transducer : | Electret Condenser |
| Polar pattern : | Cardioid |
| Frequency Response : | 35-18KHz +/-3dB |
| Sensitivity : | -42dB +/- 1dB / 0dB=1V/Pa，1kHz |
| Signal to Noise Ratio : | 76dB SPL |
| Plug : | 3.5mm TRS and TRRS connection |
| Dimensions : | Φ22*81mm |