For acoustic guitarists who prefer a minimalist approach to controls LR Baggs offers the Anthem SL acoustic microphone and preamp system. In the SL the balance between the Tru-Mic and Element pickup is preset for optimum performance so you can have the same great fidelity in an end-pin preamp format. The preamp with LR Baggs famous all-discrete studio quality circuitry is also equipped with a soundhole mounted volume control. The mic is mounted to the bridge plate inside of the guitar to capture the majority of your guitar s true voice in a way that only a microphone is capable of-plus it is amazingly feedback resistant. The Element undersaddle pickup carries only the lowest frequencies for punch and authority.