Been wrestling with a dean markley pick up for my classical. It is a tranducer type that fits under the bridge, and if I knew how much hassle that little ####er was going to be I would have gone with a sound hole mic. The package didn't come with any decant instructions. Now I am a certified electronics technician with experiance of all kinds in electronic assembly, but what a little ######d this thing is. I am pretty sure its "bunk", what a shame because when it does work the sound is excellant.