This bundle includes 2 pack Voodoo Lab Cable Current Doubler Adapter - Two 2.1 mm Straight Barrels - 2.1 mm Female 4". For pedals with higher power requirements, use this current doubling adapter with a 2.1 mm jack to combine two Pedal Power outputs. (Frequently used to combine outputs 5 & 6 on a Pedal Power 2+ to create a single 9V 500mA output. ) This adapter will accept any cable with a 2.1 mm plug.
Power Supply Connector: 2.1 mm Straight Barrel Plug (2)
Pedal Connector: Jack for 2.1 mm
PlugPolarity: Standard (Center
Negative) Length: 4 in / 10 cm