B-Stock, Boss ES-5 Effects Switching System, programmable effect switching system with 5 effect loops, analogue circuit design for pure tone, unprecedented routing flexibility with the ability to change the routing order and create parallel effect chains, onboard memory for storing external control parameters such as delay time for each patch, Buffers can be turned on/off individually each for input and output and stored in each patch, adjustable output buffer level, high quality footswitches with switch noise mute, backlighted LCD display shows all important information, 200 patch memories, free programmable pedal functions, professional routing in a small housing, connections: Input, Tuner, Send 1-5, Return 1-5, Output, CTL 1/2, CTL 3/4, CTL IN EXP 1/2, MIDI In & Out/Thru, incl. AC adaptor, dimensions in mm: (WxDxH) 337 x 98 x 68, B-Stock with full warranty, may have slight traces of use