L.R. Baggs Para Acoustic DI - preamp, parametric 5-band EQ and DI box, studio quality, built-in notch filter, 24 dB adjustable gain, powered via +48V phantom power or 9V battery, espeacially for acoustic instruments, high input impendance fits for most acoustic pickups, phase reversal, symetric XLR output and unsymetric jack output for pa connection, connection to an amp or both, sturdy die-cast casing