Traditional Boha:

The original form of the instrument, featuring a single chanter and drone housed within a rectangular body.
Both the chanter and drone utilize single reeds.
Modern Boha:

Developed in the 1970s, this version offers modifications to the traditional design.
Often incorporates additional drones, like a bass drone, for a richer sound.
The chanter may also be altered to provide more versatility for the player.