Boffin FX Treble Bleed Circuit Switch gives you the option of selecting the treble bleed setting in a switched circuit. If you use a mixture of pickups on your guitar, such as single coil and humbucker pickups, or coil tap humbuckers, you may want to use the Boffin FX Treble Bleed Circuit Switch.
Treble Bleed Setting:
1. Cut Off Frequency: 1,592.4 Hz – Ideal for Suhr, Seymour Duncan and Single Coil Pickups. Retains the most highs.
2. Cut Off Frequency: 1,061.6 Hz – Ideal for DiMarzio, Gibson,, Fender and PRS pickups. More lows with this setting.