Boston BPC-9V1A strømomformer fra USB 5V til 9V- bruk en powerbank for å drive pedalbrettet dittarticle number: BPC 9V1A product id: 52782 power converter from USB 5V to 9V use a power bank to power your pedal board Stable and clean DC voltage for effect pedals, prevent problems with AC power supplies! input USB male 5V output DC 9V1A polarity center negative cable length 50cm Regular analog effect pedals have a working current of 20 30mA. Digital pedals take 40 100mA and multi effects processors normally operate with 300 500mA. Please check the