Coming in at about the size of a cell phone that instantly adds reverb, delay, echo and more effects to your acoustic's natural unplugged tone, the HONZ Tech ToneWood Amp is a revolution for the acoustic guitar. Doubling as a multi-effects processor that works seamlessly with any PA or amp system, the Tonewood Amp brings even more functionality into the fold as an iDevice interface with USB connectivity for additional apps and editing abilities. A novel accessory for the acoustic.