MXR Mini Iso-Brick Power Supply | M239

MXR Mini Iso-Brick Power Supply The Mini Iso-Brick Power Supply supplies quiet, noise-free DC power to  range of pedal types. while taking up less space than a candy bar of its 5 outputs is fully isolated, eliminating gig-ending ground loop noise. Whether analog or digital, positive or negative ground, this little power box has you covered. Operation Connect included AC adapter into M239’s 18V INPUT jack. Plug AC adapter into  outlet; white INPUT LED indicates good connection. Connect up to four pedals requiring 9V power to the four 9V OUT jacks using the included barrel-to-barrel cables. Connect another pedal to the switchable 9V/18V output. Use 9V/18V slide switch to match pedal voltage (indicated by green LED). Included splitter cable can be used to connect two pedals to a single output. Connect straight end to M239 output and  ends to pedals’ power inputs. Whether connecting single pedal or multiple pedals via splitter cable, always be sure pedal mA ratings do not exceed  mA rat