#2
Active pickups require a 9v battery to operate. You can put that battery wherever you want -- a cavity is most common, but you could have it hanging off the body if you want.
Richard

I tried setting my password to "penis". It said my password wasn't long enough.

PRSi:
*ME Quatro
*CE-22
*SE Soapbar II
H&K TubeMeister
TC Electronic Nova System

PBT Native