Dhruva Nano Zx

The Dhruva Nano Zx is a harmonium-type drone sruti box (sur-peti) that is also a Tuner / Sruti Box / Metronome. It produces a drone similar to a harmonium type traditional sruti box (sur-peti). It has a Tuner / Pitch-pipe with Digital Display, Dual scale system: Chromatic / Diatonic.