Detail 01
Mobile app functions as a stand-alone tuner and hardware controller
The app can be used on its own for tuning or to control the HD-300.

Independent shopping perspective
Yamaha's Harmony Director HD-300 is an instructional keyboard that combines the HD-200's ear-training capability with additional educational features and a simplified interface. Its companion mobile app can function independently as a tuner or serve as a hardware controller. In a teaching setting, that creates a connected approach aimed at helping students develop pitch, tone, timing, and volume control while making the teacher's work easier.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The app can be used on its own for tuning or to control the HD-300.
Detail 02
The HD-300 is designed with a simpler interface than the prior HD-200.
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. It can function as a stand-alone tuner.
It is designed to help students work on pitch, tone, timing, and volume.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.