With the OBP-3 on-board preamp for bass guitars you can fit your bass with an active 3-band EQ that allows you to boost or filter bass, mids and trebles (18 dB at 40 Hz for the bass, 16 dB at 6.5 Hz for the trebles and 16 dB at 400 or 800 Hz for the mids). The OBP-3 comes as a number of different sets for several installation options.This is the OBP-3TK/PP version.OBP-3TK/PP setIn addition to the OBP-3 on-board preamp, the Aguilar OBP-3TK/PP set contains three high-quality potentiometers, including a push/pull potentiometer that allows you to select one of two frequencies: 400 or 800 Hz. If you have a bass guitar with three tone potentiometers, you don't have to make any extra holes in the body for the mid-frequency control.
Brand: Aguilar
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