The Allparts PU-1276-000 Bartolini Active 3-band Bass Pre Amp is a great replacement part for your electric bass guitars. A pre-wired harness saves the time and aggravation of wiring your pre-amp and pots into your instrument. They feature Allpart's industry-leading pre-amps and premium audio-quality potentiometers with smooth control and are ready for years of rugged use.

Features:

• The HR-5.2AP/918 uses a 3-band EQ and pre-amp
• Volume Control Holes: Two, Volume (with Active/Passive push-pull switch) – Blend
• Tone control Holes: Three, Treble – Mid (w. 2 freq push-pull) – Bass
• Pre-wired harness ships complete with wiring diagram