The Boss AD-10 Acoustic Preamp is an advanced tone tool for serious acoustic guitar players featuring manual and memory modes with 10 memory slots and eight effect types. The AD-10 offers advanced sound tools that enable you to achieve rich, natural acoustic tones. It is a fully featured, dual-channel acoustic preamp/DI pedal with premium audio quality, deep sound-shaping options, and flexible connectivity. On top of that, ambience, chorus, and delay effects are built in, eliminating the requirement to carry external sound processing.