L.R. Baggs Anthem SL-C Classical Guitar PickupFor classical acoustic guitarists who prefer a minimalist approach to controls, LR Baggs offers the Anthem SL Classical 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.