Yamaha YSV104 STX-2V Silent Violin Personal Studio Module Glasser it allows for acoustic resonance

it allows for acoustic resonance within the instrument

AUTHENTIC TONE

It fits in the "eye" of your existing cello bridge

Comes set up with D'Addario Helicore cello strings

extremely durable oblong case

Yamaha YSV104 STX-2V Silent Violin Personal Studio Module Glasser it allows for acoustic resonanceYamaha's STX 2V Silent Violin Personal Studio Module is the device that provides a great headphone experience and practice features to users of the Yamaha YSV104 Silent Violin. The STX 2V control box is for use with the YSV104 only. It cannot be used with other SILENT Violin models. Two reverb modes provide ambience optimized for practice and playing enjoyment: "ROOM" provides realistic room ambience that is ideally suited to practice "HALL" simulates