Rolls PS91ZM 9 Volt DC Power Supply
The Rolls PS91ZM 9 Volt DC Power Supply is perfect for powering standard 9V guitar effects pedals and any other electronics that meet the requirements. 9 VDC 400 Ma. AC Adapter for Rolls and other manufacturers products. The Rolls RS91ZM is a general purpose A/C adapter for powering electronic equipment that requires a DC type plug with the tip negative 2.1mm and the sleeve positive 5.5mm.