Punch Up Your Bass Tone Get the most from your Bartolini pickups with Bartolini's HR-5.4AP/918 pre-wired harness. Featuring a stellar, pro-level NTMB+F preamp — renowned for its low-noise and clear voice — and high-quality pots and switches, the Bartolini pre-wired harness adds incredible dimension to your tone. The fully-independent 3-band EQ allows detailed cut-and-boost frequency shaping, with subtle to aggressive high- and low-band shelving, and a selectable three-position mid-EQ for complete tonal control. Bassists at Sweetwater have enthusiastically embraced Bartolini pickups for their uncanny ability to improve the sound of an instrument instantly, and the Bartolini pre-wired harness completes the package for the ultimate sonic upgrade!Bartolini HR-5.4AP/918 Prewired Harness — 5 Knob, 3 Band EQ with Bypass Features: Pro-level NTMB+F active preamp with pull-bypass switch High-quality pots and switches Controls for volume, blend, and independent 3-band EQ with switchable mid-band frequencies Bass Control: ±15dB at 30Hz Mid Control: ±13dB at