3-way DC interface 9V/12V15V 300mA power output to meet the voltage input of effectors Equipped with 1 to 3 DC connecting cable to expand the output to meet more effect connection needs USB 5V power output, can charge USB devices, no need to buy additional USB charger, convenient and practical Dedicated analog power isolation chip, HIFI-level enjoyment Add isolation wall circuits between channels to prevent noise crosstalk size: about 60 x 15.5mm Material: plastic colour: Black Package Contents: 1 x HUB Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. USB 5V power output, can charge USB devices, no need to buy additional USB charger, convenient and practical Add isolation wall circuits between channels to prevent noise crosstalk 3-way DC interface 9V/12V15V 300mA power output to meet the voltage input of various effectors Equipped with 1 to 3 DC connecting cable to expand the output to meet more effect connection needs Dedicated analog power isolation chip, HIFI-level enjoyment