Boss RC30 Guitar Effect

multiple inputs: 1/4" A and B input jacks, two synchronized stereo tracks with dedicated volume faders and track-select buttons, stereo 1/8" mini AUX input jack, 16bit/44,1kHz, twin Pedal multitrack looper with true stereo I/O, XLR input jack with phantom power, 99 onboard memory phrases for storing loops, USB 2.0 port allows you to connect to a PC and import/export WAV audio, rhythm guide with real drums, built-in effects for processing loops, massive internal memory with up to three hours of stereo recording time, runs on batteries or optional DC power supply