DIGITECH RP-255 präsentiert von Ralf Jung - YouTube
Digitech RP255 Multi Effect Guitar Pedal with Expression B Stock – Specialty Traders
HQRP AC Adapter for Digitech RP200A, RP250, RP255, RP350, RP300A, RP355, RPx400, Power Supply Cord - Walmart.com
I have this old Digitech RP255 multi effects professor that isn't producing any sound. I bypassed the 2.5mm barrel jack since I only had 2.1 and it powers on but no sound