The Boss RC-300 Loop Station features three synchronized stereo tracks with dedicated volume knobs and transport-control footswitches for each track. The RC300 is also equipped with pro effects, a master Expression pedal, and a deluxe, ultra-wide control panel for the ultimate in live-performance manipulation. Plug in your guitar, bass, keyboard or any instrument of choice and create amazing loops in real time. The RC-300 also features an XLR input, complete with phantom power, so singers, percussionists, violinists, beatboxers, or anyone with a mic'd instrument can get in on the act, too. The RC-300 is an ultra-wide pedalboard, equipped with an Expression pedal which can be assined to a variety of parameters and enlarged footswitches for controlling REC/PLAY and STOP for each track. The RC-300 homes a select library of expressive onboard effects, including Transpose, Flanger, Phaser, Modulator, vocal effects, and more. A dedicated LOOP FX footswitch is provided for instant activation of the onboard effects. Control the effects parameters in real time with the Expression pedal for hands-free creativity onstage. The Boss RC300 lets you record for up to three hours directly to its internal memory, adding effects as you go. The USB port lets you save your loops externally, as well as import/export WAV files. Step into the most powerful and inspiring Loop Station in BOSS history. It's the creative powerhouse that musicians have been dreaming of! The main features of the Boss RC-300 Loop Station include: Three stereo tracks with dedicated footswitches and controls for each Dedicated fader per track Expression pedal for effects control in real time Up to three hours of internal recording and 99 onboard memories 16 onboard effects optimized for looping XLR Microphone input with phantom power USB storage; import/export WAV files Rhythm Guide and Preloaded Audio USB Connectivity AUX Input Boss RC-300 Loop Station Dual Effects Pedal $693.10