What is the specifications of DC adaptor? Hollyland Tech December 01, 2020 08:54 votlage : 6~16v (recommend 12v) current : suggestion 2 A Specifications of DC adaptor head : 5.5*2.1mm Related articles How to power on the Cosmo C1? Why there is no video display when using the system with a switcher ? Comments 0 comments Article is closed for comments.