The Bartolini HR-4.5AP/918 prewired harness saves the time and aggravation of wiring a preamp and pots into your instrument. The HR-4.5AP/918 features Bartolini's industry leading NTBT-918 2-Band Preamp and premium audio-quality potentiometers with smooth control and ready for years of rugged use.
The HR-4.5AP/918 uses a 2-band EQ and preamp. Includes one Volume control with Active/Passive push-pull switch; one Blend control; and separate Bass and Treble controls. Includes 2nd battery clip (18V option), wiring instructions, black ring & center knobs for tone stack.