High Quality Recording and Big Storage JTC Pro is an advanced pedal with simplified controls. It’s a dual switch stomp box pedal with 6 hours of recording capability and 256 loop track memories. And the audio recording quality is 24-bit and 44.1 kHz sample rate. Dual-Switch Action Loop and the drum controls are separated, left footswitch (LOOP) controls recording and overdubs, and start/stop plays the recorded loop tracks. It’s also TAP Tempo control, you can set the drum speed by tapping the left footswitch before you record a track. High Quality Drum Sound - Smart Drum Fills Right footswitch (RHYTHM) controls the drum and it adds a drum fill during the performance. Drum fills length is one measure (depends on 4/4 or 3/4 rhythms). When you hit the RHYTHM button, drum fill will start immediately and it will play until the end of the current bar. For example if you push the switch at 3rd beat -> drums fill length will be 2 beats only.