Bartolini HR-3.3AP Pre-Wired 2 Band EQ Active/Passive Vol, stacked bass/treble & blend The Bartolini HR-3.3AP Pre-Wired 2 Band EQ Active/Passive Vol, stacked bass/treble & blend. 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-3.3AP/918 uses a 2-band EQ and pre-amp. Two holes for Volume control: Volume (with Active/Passive push-pull switch) – Blend. One hole for Tone control: Treble/Bass stack. 2-Band Preamp: NTBT-918 Additional Information Volume (with Active/Passive push-pull switch) – Blend Includes: 2nd battery clip (18V option), wiring instructions, black ring & center knobs for t.
eBay