Sadowsky Bass Preamp/DI pedal is great for passive and active basses, and instruments with active electronics bypass. It also works with all upright bass pickups.
Just plug your bass into the box and then go from the box to your amp, and/or direct to the board. Done. Bam!
Volume, Treble boost, Bass boost
Footswitches: Preamp Bypass, Mute switch with a live tuner out.
DI Ground Lift Switch
Frequency Response: 5Hz – 50kHz
Bass Control: +18dB Boost @ 40Hz
Treble Control: +18dB Boost @ 4kHz
Total Harmonic Distortion: 0.1% @ 1kHz
Input Impedance: 870k – 1M Ohm
Output Impedances: DI XLR 600 Ohm, 1/4″ 12k ohm
Power Source: single 9V battery or AC adaptor (not included)
Battery Life: 50 hours
Low battery indicator LED
Dimensions: 4.5″ x 4.5″ x 2.25″
Weight: 1.5 lb.