Microphone for Yamaha Tuners TM-30 BK I accidentally purchased this, even though I didn't need a microphone. I bought it for ¥1,850 and haven't opened it. Yamaha Tuner Microphone TM-30 This is a clip-type microphone that easily attaches to an instrument, sending vibrations directly to the tuner. The TM-30 series features an improved flexible cable and a redesigned cable joint for enhanced sound transmission and durability. Compatible with TD-6, TD-18, TD-19, TD-90, TD-100, TDM-70, TDM-75, TDM-75R, and TDM-700. Maximum width: 30mm Cable length: 1.5m Standard jack diameter: 6.3mm Compatible with Yamaha electronic tuners TD-6, TD-18, TD-19, TD-90, TD-100, TDM-70, TDM-75, TDM-75R, and TDM-700.