Fishman Tone AFX DEQ, acoustic guitar preamp, soft-knee compressor wiring; 4-band eq with: bass, mids, treble, high-pass filter; reverb (2x), delay (2x), chorus (2x), flanger & tremolo effects; foot-switchable boost; switchable phase reversal; di-out; dimensions (B x H x D): 241mm x 142mm x 55mm. 9-Volt-power supply required (not included)