6V 2A AC/DC Adapter UK Plug Power Supply Mains 5.5mm x 2.1mm / 5.5mm x 2.5mm

Output: DC 6V 2A (2000mA). DC Connector: Compatible with both 2.5mm x 5.5mm and 2.1mm x 5.5mm plug, Tuning Folk Head.

eBay