About 2 Trademarks found that are owned by Jamhub CorporatIon

Electronic apparatus and devices for controlling and manipulating sound during music rehearsals; Electronic sound devices for use during music rehearsals, namely, microphones, headphone monitors and instruments transmitting electronic signals, used in combination, that allow musicians to hear practice sessions through headphones

Electronic apparatus and devices, namely, electronic sound mixing, processing and synthesizing apparatus for use for controlling and manipulating sound remotely during music rehearsals