Effect Pedals & Processors
JHS Pedals Volture 9V Voltage Sag Utility
JHS Pedals Volture 9V Voltage Sag Utility, Voltage Control for Effects Pedals, Can precisely trim the input voltage of an effects pedal and perfectly recreate the sound of a flat battery, Especially suitable for fuzz, overdrive and distortion...
https://www.bizrate.co.uk/effectpedals_processors/jhs-pedals-volture-9v-voltage-oid24063556422.html