
Anthony Easton
The HAO Rust Booster III is a versatile guitar booster designed to provide instant signal boost without tonal coloration. It features Drive and Level knobs, offering a natural, crunchy overdrive reminiscent of classic guitar tones from the early 70s while remaining faithful to the original amp tone frequency spectrum.
Specifications:
- Input Impedance: 1 Meg Ohm
- Output Impedance: 10K Ohm
- Controls: Drive, Level
- Switch: True Bypass On/Off using 3PDT
- LED: High Illumination Blue
- Jacks: Input/Output (standard ¼”), AC In (2.1 mm barrel, tip negative)
- Power: 9-Volt battery or AC adaptor (9 VDC, 200 mA, tip negative regulated)
- Size: 113 mm (L) x 63 mm (W) x 35 mm (H)
- Weight: 458 g (with battery)
The RB-III improves upon the popular Rust Booster I circuit by increasing the range of distortion, allowing for a wider variety of tones. Additionally, the amount of output has been increased, making the RB-III perfect for use with low-output pickups. Bass players will appreciate its ability to boost bass signals without sounding thin or muddy.
The pedal is suitable for guitarists and bass players seeking a versatile and reliable booster for enhancing their instrument's signal without compromising its original tone.
Watch the latest video demos and reviews for the Rust Booster III from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.

Below are live Reverb listings for the HAO Rust Booster III from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.

Browse through eBay listings for the Rust Booster III compiled in real-time. From vintage finds to brand-new units, see a variety of purchasing options. This automated collection helps you explore deals and find the right pedal at the right price.

Used
$176.23

Used
$93.75

Used
$134.42

Used
$208.99

Used
$166.37

Used
$178.99

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Check out the latest news and articles from around the pedal world.

Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton
Anthony Easton