Description
The Seymour Duncan Blackouts 2-Band Preamp is built for players who want the punch and headroom of active electronics without reworking their bass’s control cavity. It’s designed to slot into existing P-style or J-style routing, so there’s no drilling, no extra holes, and no compromise on your bass’s original look.
- Separate bass and treble controls via a single stacked pot, keeping your control layout clean and familiar
- Switchable treble frequency lets you dial in a sharper bite or a smoother top end depending on the song, the room, or the mood
- 2-band active EQ gives you real tonal shaping power beyond what passive tone controls can offer
- Works well as an upgrade path for P or J-style basses looking to move from passive to active tone control
Rather than forcing you to relearn your instrument, this preamp works with the layout you already know. The stacked pot means one knob does double duty, so you keep a simple control set while gaining genuine flexibility in shaping low end and top end independently. Switch the treble frequency to match your playing style, whether that’s a modern slap tone with extra sizzle or a warmer, rounder voice for finger-style playing.
If you’ve been holding off on going active because you didn’t want to butcher your bass’s finish, this is the straightforward route: active tone-shaping, familiar control feel, no drilling required.





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