Home › Forums › Products › Rackmount › modular synths and h8000fw › Reply To: modular synths and h8000fw January 11, 2011 at 4:43 pm #132546 nickroseModeratorEventide Staff A mike will need a preamp to get enough level. A guitar can be connected directly to the 1/4" sockets, but you will probably need to crank up the input gain.