Fishman Platinum Pro EQ/DI Analog Preamp Pedal Completely redesigned from the ground up, the all-analog Platinum Pro EQ universal instrument preamp delivers incredibly accurate sonic detail for any acoustic instrument. 17-volt, high-headroom, discrete Class-A preamp 5-band tone control with sweep-mid and low frequency filter Integrated fully-chromatic digital tuner Balanced XLR D.I. with pre/post EQ setting and ground lift