Bartolini HR-3.4 Pre-Wired 3 Band EQ Preamp The Bartolini HR-3.4 Pre-Wired 3 Band EQ stacked neck/bridge vol, stacked treble/bass, mid w/2 freq. push/pull. A Pre-Wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature our industry leading pre-amps and premium audio-quality potentiometers with smooth control and ready for years of rugged use. The HR-3.4/918 uses a 3-band EQ and pre-amp. One hole for Volume control: Neck Volume/Bridge Volume Stack. Two holes for Tone control: Treble/Bass Stack – Mid (w. 2 freq push-pull). Additional Information Volume Controls Neck Volume/Bridge Volume Stack Treble/Bass Stack – Mid (w. 2 freq push-pull) Includes: 2nd battery clip (18V option), wiring instructions, black ring & center knobs for tone s.
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