Protec A339 Flute/Piccolo Mask, One Size Fits Most Three-Body Technology press and hold the bypass

press and hold the bypass switch to momentarily ramp the X parameter to maximum

they have opened a new door of possibilities for the cello by the use of electronic technology

The Depth sets the intensity of the reverb

It also has a microfiber lining that doesn't slip and swet-wicking

Protec A339 Flute/Piccolo Mask, One Size Fits Most Three-Body Technology press and hold the bypassHelps slow the spread of aerosols when playing a concert flute or piccolo. One size fits most Side openings for the headjoint Structured design allows free movement of air Triple layered (double layer cotton with center nonwoven fabric) Washable and reusable Bendable nose piece for a great fit Adjustable elastic ear loops