Description
Skip the tedious point-to-point wiring and let Bartolini’s engineers do the heavy lifting. The HR3.3AP/918 is a complete, pre-assembled harness built around Bartolini’s respected 2-band preamp, wired to premium audio-grade pots for smooth, reliable sweep over years of gigging and practice.
- 2-band EQ preamp for shaping treble and bass without hunting through menus
- Volume control with a built-in push-pull switch that flips instantly between active and passive modes
- Blend pot for dialing in pickup balance
- Single stacked Treble/Bass tone control to keep your control cavity clean
- Runs on 9V or 18V for players who want extra headroom and dynamic range at higher voltage
Because it’s a drop-in harness, there’s no need to source individual pots, caps, or preamp modules separately — everything arrives matched and ready to install, wired to Bartolini’s exacting standards. It comes with a second battery clip for the 18V option, clear wiring instructions, and black ring and center knobs sized for the tone stack, so the whole install goes from bare cavity to gig-ready in one sitting.
Bartolini has been the benchmark for bass tone since setting up shop in San Luis Obispo, California, supplying luthiers and repair shops worldwide with 100% USA-made pickups and electronics. Pro Audio Land has carried their gear for years as an authorized dealer, and this harness is one of the easiest ways to bring that Bartolini clarity and punch into your own bass.








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