I updated the firmware last year.
Roland HANDSONIC HPD-20 Digital Hand Percussion Drum Pad Controller Pro
Roland HANDSONIC HPD-20 Digital Hand Percussion Pad SuperNATURAL D-BEAM Japan
Roland HandSonic HPD-20 Digital Hand Percussion 13 Pads SuperNATURAL Used
Roland Handsonic HPD-20 + PDS-20 Stand + Roland CB-HPD Carry Bags (SUPERB)
Roland HandSonic HPD-20 Hand Percussion Pad Brand New with BOX
Roland HandSonic HPD-15 - Electronic Hand Percussion Multipad and stand mount
