Bartolini HR-4.6AP Pre-Wired 3 Band EQ Active/Passive Vol, blend, stacked hi/low Mid, stacked bass/treble The Bartolini HR-4.6AP Pre-Wired 3 Band EQ Active/Passive Vol, blend, stacked hi/low Mid, stacked bass/treble. 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-4.6AP/918 uses a 3-band EQ and pre-amp. Two holes for Volume control: Volume (with Active/Passive push-pull switch) – Blend. Two holes for Tone control: Treble/Bass Stack – Mid (w. 2 freq push-pull). Volume (with Active/Passive push-pull switch) – Blend Includes: 2nd battery clip (18V option), wiring instructions, black ring.
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