Description
Nobody wants to spend gig-prep time hunched over a soldering iron, and Bartolini’s HR5.4/918 harness is built to keep it that way. Every pot, switch, and wire is pre-connected in the factory-set configuration, so installation comes down to mounting the harness in your control cavity, dropping in a battery, and getting back to actually playing.
What you get is Bartolini’s respected 3-band EQ and preamp circuit, wired for a two-hole volume/blend layout plus a four-hole tone section covering treble, mid, and bass. That mid control pairs with a 3-frequency toggle switch, letting you dial in a punchy midrange bump for slap and pick playing, a scooped modern voice, or something in between — a nice bit of tonal flexibility for a preamp you don’t have to design yourself.
Running on 9V or 18V power, this harness gives you room to grow: start on a single 9V battery and upgrade to 18V down the road for extra headroom and clarity when your basslines need to cut through a dense mix. The harness ships with a second battery clip for the 18V option along with wiring instructions, so the upgrade path is already built in.
Bartolini has been shaping the tone of bass players worldwide from their shop in San Luis Obispo, California, and this harness carries that same 100% USA-made quality straight into your instrument. Whether you’re refreshing an aging bass or upgrading a build from scratch, this is a straightforward way to get pro-level electronics without the wiring headache.
- 3-band EQ preamp, pre-wired and ready to install
- Volume and Blend on a 2-hole layout
- Treble, Mid (with 3-frequency toggle), and Bass on a 4-hole layout
- 9V/18V switchable operation
- Includes second battery clip for 18V use and wiring instructions
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