Features: 
3 x Stereo SENDs, 3 x Stereo RETURNs and Dry
Adjust the effect level and dry level through each Knob
Operates in 4 modes (Manual, MIDI PC, MIDI CC, MIDI PC+CC)
128 memory locations (when using MIDI PC)
The 9V power input is converted to a +/-12V internally for any
audio level
 
Firmware update is available via MIDI.
Heavy-duty footswitches
Powered by 9VDC(center negative) 185mA