Radial Engineering Radial R500-PSU PSU 500mA power supply for PowerStrip, Cube, JDV MKV, 4-pin XLR. Part of our AV Components range (cables & connectivity), supplied through AV Distribution, an authorised South African distributor for professional audio, video and staging equipment. Available to order -- contact us for lead time. Contact our team if you need help confirming compatibility with your existing setup.