HD-300 Harmony Director Music Education Tool

The New Harmony Director HD-300 combines the HD-200's powerful ear training with dynamic new educational features and a simplified user interface. The addition of a mobile app that can act as a stand-alone tuner as well as a hardware controller makes the new HD-300 a complete package that can not only make a teacher's job easier but also help their students play “IN TUNE, IN TONE, IN TIME and at the CORRECT VOLUME.”