Stam,

The mic has a power pack that clips to your belt and it has a 9-vold battery that supplies all the power you need. The batter life is rated for 85 hours of use.

Cheers,

Gary
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)