Fishman 201 Presys Blend Preamp Acoustic Guitar Equalizer Tuner Pickup

features volume, turner, bass, middle, treble, phase, etc. It fits many guitars to offer maximum control, performance and quality in a small and unobtrusive format.
Features:
Small footprint fits many guitars.
Volume control.
Bass middle and treble control knobs.
Build-in tuner.
Phase switch.
Pre-wire Sonicore pickup for solder-free, plug and play installation.
Low profile control knobs.