M-90D Dynamic Microphone The M-90D is a microphone designed for high-quality voice communication. Its main features are as follows Natural and rich sound quality: Thick sound with optimized frequency response. High sound-collecting performance: Unidirectional design suppresses ambient noise and captures clear voice. Noise reduction: Transformer and windscreen to reduce hum noise. Easy-to-use design: with non-slip PTT keys, lock function, and large base stand. Compatible with a wide range of models: Both round 8-pin and modular microphone jacks can be used. The M-90D provides comfortable support for communications with stable operability and clear sound quality.