Crisp and clean option for 3 holes. Buffers and active blend for two pickups, then through a single Variable Q filter (or optionally any of the other filters) . Push-pull treble boost on the volume knob. Easy to use setup like a tone control, and you can precisely match P and J pickups using the gain trimmers. Long battery life. To order with different pickup or filter types see the Two Pickup - Single Filter and Treble Boost model.