For balanced tone, we recommend placing the piezos under the saddle on the bridge plate under the guitar – as shown in our installation manuals. However, since each guitar has a different tone, you can try experimenting with different placement of the piezos inside your guitar. By positioning the piezos closer to the treble side of the bridge plate (towards…

Our very first version of the EPS001 had a design flaw in which the output cable and jack from the preamp module was mono, but should have been stereo. There were only a handful of these first versions, so it’s unlikely that your unit has this issue. To check, you can look at the wire that goes from the preamp…