Acoustic Guitar contributor Matt Blackett demos the Schertler Roy amplifier. "Thanks to their full-range sound capabilities and multiple input options, many acoustic guitar amplifiers have been called miniature PA systems. That has never been so true as with Roy, a top-of-the-line package from Schertler, the Swiss maker...." Read the complete review from the May-June 2020 issue of Acoustic Guitar Magazine here: acousticguitar.com/gear-review-schertler-roy-amplifier/