Zoom AC-3 Acoustic Pedal, DI with Tone Restoration and Acoustic Modeling, 9 Effects, Compression, Tuner, Reverb, EQ, and Anti-Feedback. 4.5 Stars on Amazon. Plug in a mic as well for the effects.
Much better than the Fishman ToneDEQ, which has no tuner!
16 source guitar type/body presets for accurate tone re-creation
15 target guitar type/body presets for tonal refinement
9 effects with adjustable parameters
High-quality, low-noise preamp
Piezo/magnetic input pickup select
Built-in compressor, clipping indicator, and 3-band equalizer
Input and output gain/sensitivity are adjustable via a single volume knob
Anti-feedback control
Boost switch for up to 9 dB of additional gain
Built-in chromatic visual-LED tuner (works VERY well)
USB connection for firmware updates
Dual output jacks for connection to guitar amps and mono or stereo PA systems
9 x 1.5 x 6.25 inches.
This listing is for the pedal only (no power supply, but takes batteries or standard 9v on your board). Very good condition with mild signs of use.