Rockman X100 by Tom Scholz. The unit is in very good condition.
Originally designed as a headphone practice tool but used in live , the Rockman X100 has four preset sounds, Distortion/Edge/Clean1/Clean2 also Normal/Chorus off/Echo off (when in normal chorus and echo are engaged) and a 3 setting switch for volume (quiet, normal and loud) it also has 2 headphones out, guitar in, and a Aux In/Low level out.
If you love the band Boston and the guitar sounds, this is the unit (created by Tom Scholz).