Description
Swapping electronics shouldn’t eat your whole weekend. The Bartolini HR2.2AP/918 prewired harness hands you a complete, ready-to-install 2-band EQ preamp setup, built around the same preamp circuitry Bartolini is known for among working bassists. No guesswork on wiring diagrams, no cold solder joints to chase down later — just clean, reliable output from an instrument that’s about to sound a lot more articulate.
The layout keeps things simple on the control panel: two knob holes, maximum function. One handles Volume duty and doubles as your Active/Passive switch via a push-pull pot, so you can flip between the boosted preamp voice and a straight passive signal on the fly — handy if a backline DI is acting picky or you just want your bass’s raw tone for a song. The second knob is a stacked Treble/Bass control, letting you shape your low end and top end independently without cluttering your bass with extra pots.
Bartolini builds these harnesses with premium audio-quality potentiometers that stay smooth through years of stage sweat, load-ins, and late-night rehearsals. For players who want their bass to punch harder and cut cleaner without turning electronics work into a second job, this harness is a straightforward upgrade path.
- 2-band EQ preamp (HR-2.2AP/918)
- Volume control with push-pull Active/Passive switch
- Stacked Treble/Bass tone control
- Premium audio-quality potentiometers
- Fully prewired for direct installation







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