Aguilar OBP-1 2-Band Preamp Module



Aguilar OBP-1 Module Only

In Stock - Made to Order

We build and test our pre-wired preamp assemblies by hand. These usually ship within a few days. Please contact us first if you have a tight deadline. We will do our best to accommodate you.


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The Aguilar OBP-1 is a boost only preamp able to be used in conjunction with active or passive pickups. No modification is required for use with Active pickups such as EMG®, Warwick® MEC and other active pickups as we build the pre-wires in house and impedance match the controls for the pickups chosen whether active or passive.

The OBP1 will give you expanded tonal range, adding real lows to your bottom and snap to your high end. Even with the tone controls turned all the way down, your pick-ups will be buffered and keep their clarity even with a long cable run.

Tonally these preamps are aggressive, clear, transparent and have emphasis with the low and low midrange being warm, and with the top end 'presence' like. These preamps do not have gain control onboard. Also, this preamp has a "big" sound. Does not compress the signal like other preamps!

It is recommended to use 18v power for the OBP-1 preamps.

Technical Specifications

  • Maximum Amount of Boost: 18dB

  • Bass Freq: 40Hz

  • Treble Freq: 4kHz

  • Input Stage: All FET Design

Question: Where Can I Buy an Aguilar OBP-1 2-Band Preamp Module?

Answer: You can buy this from Best Bass Gear by Calling 877-839-3531 or Emailing us at or chatting with our Bass Techs


Rate and Review this item
Verified Buyer
Great Preamp
By Paul Ramsey
This is my favorite preamp.I like the fact that I can boost the amount of bass or treble right from the start.The head room with the 18 volts is great.I have installed these in all my basses.I've tried the OBP 2 with 9 and 18 volts.In my conclusion I found myself going back to the OBP 1.It just works for me.
Verified Buyer
You cant go wrong with this preamp
By Frank Brocklehurst
These Aguilar OBP preamps are my go to stock installation in the basses I build. Simple install, great sounding and if I ever have any issues I can always get a live person on the phone at Aguilar to answer my questions. I usually add a passive tone control to the circuit on my basses.