JTC Pro is an advanced pedal with simplified controls. It’s a dual switch stomp box with 6 hours of recording capability and 256 loop track memories. Features JTC Pro is an advanced pedal with simplified controls. It’s a dual switch stomp box with 6 hours of recording capability and 256 loop track memories. It has independent controls for the looper and the drum: left footswitch (LOOP) controls recording, overdub, and start/stop of the looper. This switch also features NUX Smart TAP function, which automatically detects whether you want to control the looper or to set the tempo of the drum.