This is one of the best, unknown features that the GT-1000 CORE & GT-1000 units have over the competition. The Boss GT1000 and GT1000 Core have a hidden setup feature that most people don't know about. In Menu/ Input settings, you can have 10 custom guitar setups to adjust the input sensitivity of each of your guitars. The Studio Rats are core band members Paul Drew on guitar/production/mixing, drummer James Ivey and Dan Hawkins on bass. They collaborate with singers and musicians to produce radio-ready songs.