The Boss RC-30 is a looper pedal with tons of features, built in fx, and usb connectivity. The RC-30 is a multitrack looper which has dedicated volume faders and track select buttons. This model has a huge internal memory with over 3 hours of stereo recording time. There are 99 on board memory phrases for storing loops. Built-in effects for processing loops, The RC-30 also has multiple inputs like 1/4" A and B input jacks, stereo 1/8" mini AUX input jack, and an XLR input jack with phantom power. Unlike past models the RC-30 has a USB 2.0 port that allows you to connect to a PC and import/export WAV audio. The built in Rhythm guide has real drum sounds as well. Lastly the RC-30 runs on batteries or an optional AC power supply ( Boss PSA ). Get your RC-30 looper pedal on order today from RMC Audio Direct.