Bartolini 3-Band Preamp/EQ Prewired Harness-4 Knobs

Bartolini's world famous 3-band EQ/preamp system. (HR-4.6) with 2-way midrange selector. Designed for instruments with 2 pickups and 4 control holes. Prewired controls include: master volume, pickup balance control, midrange, and stacked treble/bass controls. Midrange control has a push/pull switch which selects either 250Hz or 800Hz as the midrange center frequency. Choose optional Active/Passive push/pull switch (HR-4.6ap) when ordering.