Boss AD-2 Acoustic Preamp Pedal Microphone Cases & Boxes close the piano lid (leaving

close the piano lid (leaving room for the mic stand booms) then cover the piano and the openings around the mic booms with heavy moving blankets

Not only do they sound better

enables linking the Si Expression to any of the Soundcraft or Studer stageboxes to extend the I/O power and flexibility

With Hamm's direction

dynamic range (130dB)

Boss AD-2 Acoustic Preamp Pedal Microphone Cases & Boxes close the piano lid (leavingWith the AD 2 Acoustic Preamp, acoustic electric guitarists can now experience natural, studio quality sound while performing on any stage. Equipped with an advanced BOSS sound engine, this compact pedal packs sophisticated processing power that belies its small size and simple, intuitive interface. Acoustic Resonance reproduces the complex resonance characteristics of your unplugged tone, while Ambience provides pro level reverberation perfectly