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Aguilar OBP-2 On Board Bass Preamp

Aguilar OBP-2 On Board Bass Preamp

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$159.99 Price Tier: Budget

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Page last updated Jul 06, 2026

Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated June 23, 2026.

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4.0 (2)

$159.99

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$159.99

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4.8 (23)

$159.99

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$159.99 6 available New

$139.99 1 available Used

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5.0 (5)

$159.99

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$159.99

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$159.99

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Average Price: $157

Budget/Beginner

$199

$500+

Price Tier

In the Bass Preamps category, Aguilar OBP-2 On Board Bass Preamp is priced in the Budget/Beginner range. This is great gear to get started with or for creators on a budget.

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "Aguilar OBP-2 On Board Bass Preamp". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

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Unlock the full potential of your bass guitar with the Aguilar OBP-2 On Board Bass Preamp. Designed for serious musicians who demand both precision and versatility, this compact preamp fits snugly into tight control cavities, making it a seamless addition to almost any bass. With its two-band EQ, you can sculpt your sound with ease, boasting a powerful +/-18dB boost/cut at 40Hz for deep, resonant lows, and a precise +/-16dB boost/cut at 6.5kHz for sparkling highs. Whether you're playing in a packed venue or recording in the studio, the OBP-2 ensures your bass tones are both fat and punchy, cutting through any mix with clarity.

The OBP-2 operates on a single 9V battery but can be wired for 18V operation for additional headroom, offering flexibility to match your playing style. With a low-noise, discrete FET input stage, your sound remains clean and defined. The stacked treble/bass control on a dual-concentric pot provides intuitive and efficient adjustments during live performances, while the center detents make it easy to find your perfect tone. Elevate your musical expression and discover the signature sound that sets you apart with the Aguilar OBP-2.

Key Features:

Low-noise, discrete FET input stage
+/-18dB bass boost/cut at 40Hz
+/-16dB treble boost/cut at 6.5kHz
Runs at either 9V or 18V for flexibility
Stacked treble/bass control on dual-concentric pot
Compact size fits in virtually any control cavity

Videos

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How to install an Aguilar OBP-2 Bass Preamp

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Reviews

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PROS

Boosts sound without altering the original tone
Works well for multiple genres, from metal to jazz
Easy to install with clear instructions
Provides additional headroom with 18v wiring
Low noise floor and warm tonal quality
Compatible with various bass models
Offers more tonal variety than original preamps
Enhances dull pickups effectively

CONS

Treble EQ point may not suit all preferences
Requires extra purchase of suitable knobs
Need to accommodate two 9v batteries for full power

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Aguilar OBP-2 On Board Bass Preamp.

Features and functionality

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Aguilar OBP-2 preamp praised for not being overly expensive and providing a great sound, particularly for Jazz style basses.
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The Aguilar OBP-2 preamp can operate with both passive and active pickups, maintaining compatibility with different setups.
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A preamp pedal with a DI and cab sim is beneficial for gigging, particularly if distortion is used, as it can manage harsh upper frequencies.
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Comparisons

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The Aguilar OBP-2 is noted for having a bit more low-end "umph" compared to the Audere preamp, leaning towards a modern sound.
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The LHZ preamp with EMG P/J pickups is praised for its beastly performance in a LTD Surveyor 87, suggesting a strong pairing for tonal versatility.
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Some owners prefer the original Spector tone pump for its unique character, comparing it to Aguilar OBP-1, though they acknowledge its polarizing reception.
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Mods and upgrades

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EMG's BQC system offers treble/bass on a stacked pot and a variable mid frequency sweep from 100-1kHz, compatible with non-EMG pickups.
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Swapping to EMG 35p and 35j pickups can replicate the USA bolt-on Spector sound more affordably.
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Use cases and applications

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Aguilar OBP-2 preferred by some who consistently play active basses, minimizing concerns about battery failure.
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The Aguilar OBP-2 can struggle with compatibility alongside certain preamp pedals, but pairs effectively with the Two Notes Revolt preamp.
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User experience

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AnalogWorkshop preamps mentioned as an alternative option for those seeking different tonal customization.
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Using a 9v setup for the preamp is recommended for maintaining the classic Spector gritty, growly tone.
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Owners mention using the Aguilar OBP-2 for direct input in small venues without relying on stage monitors or amps, enhancing flexibility during performances.
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