http://www.roland.com/products/en/BR-800/
BOSS continues its top-selling tradition of portable, affordable multi-trackers with the new BR-800 — a battery-powered studio to go. The sleek new design is made possible by touch-sensor switches and SD-card recording media. Up to four tracks can be recorded simultaneously with eight tracks of simultaneous playback plus an additional stereo track dedicated to the built-in rhythm generator. The BR-800s powerful onboard effects processor includes GT-10/10B effects, VE-20 vocal effects and harmonies, and COSM-based acoustic-guitar body modeling. EZ Recording feature interactively guides through the recording process. A stereo microphone is also built into the BR-800 for instant Song Sketch recording. No matter where you roam, youll never miss a moment of musical inspiration with the BR-800.