When using one of our amplifiers (large or small) you always need volume control and preferably sound control. This kit is completed with all input/output connections and potentiometers. It is also possible to amplify or attenuate the input signal. https://elecena.pl/product/28347787/whadda-wsah8084-volume-tone-control-pre-amplifier 2025-04-12 https://elecena.pl/product/28347787/whadda-wsah8084-volume-tone-control-pre-amplifier 2025-08-17