Specification :
Include:
1x Boya BY-M1 Pro II Lavalier Microphone
1x Foam Windscreen
1x Mic Clip
1x Carry Case
| SKU | BY-M1 | BY-M1S | BY-M1 Pro II |
| Acoustic Principle | Condenser | Condenser | Condenser |
| Polar Pattern | Omnidirectional | Omnidirectional | Omnidirectional |
| Frequency Response | 65 Hz - 18 kHz | 50 Hz - 20 kHz | 50 Hz - 20 kHz |
| Signal-to-Noise Ratio | 74 dB | 78 dB | ? 78 dB |
| Sensitivity | - 30 dB ± 3 dB | - 30 dB ± 3 dB | - 30 dB ± 3 dB |
| Output impedance | 1000 Ω | 600 Ω | ? 1000 Ω |
| Battery | LR44 included | - | - |
| Connector | 3.5 mm (1/8'') | 3.5 mm (1/8'') | - |
| Dimensions | 18 × 8.3 × 8.3 mm Cable: 6 m | Cable: 6 m | Cable: 6 m |
| Weight | Microphone: 2.5 g Power Module: 18 g | 68 g | 66 g |