T8400 is a drum microphone set, composed by DM-1, DM-2, and DM-3. DM-1 bass drum is especially designed for bass drum and other low frequency instruments. DM-2 snare drum is an ideal choose for long drum and snare drum loud speaking to recording and pick-up. DM-3 is an electret condenser microphone only used for instruments. It is especially designed for high frequency and low frequency instruments. Tiny appearance, especially suit for cymbal, piano such kind of instruments to pick-up.