Aguilar OBP-1TK 2-band Boost Onboard Bass Preamp

The Aguilar OBP-1TK Set is a compact onboard preamp that delivers clean, powerful tone shaping while preserving the natural voice of your bass. Featuring up to +18 dB of boost at 40 Hz for deep lows and 4 kHz for shimmering highs, this preamp offers punch and clarity without unwanted noise. Its separate Treble and Bass control pots provide intuitive adjustments, and the all-FET circuitry ensures transparency and headroom whether running at 9V or 18V. With low noise, high output, and a rugged build, the OBP-1TK is an ideal upgrade for players seeking smooth, musical tone enhancement in a simple format.

Features:

• 2-band, boost-only EQ with Treble and Bass controls

• Up to +18 dB boost at 40 Hz (bass) and 4 kHz (treble)

• Discrete all-FET circuitry for maximum transparency

• Separate Treble and Bass pots for easy tone shaping

• Runs on 9V or 18V for added headroom

• Compact design fits most bass control cavities

• Low noise floor with clean, punchy response