

The Amptweaker BigRock Pro II is a high-gain preamp designed for recording or live performance. It features an all-analog circuitry for better dynamics and response. The pedal includes a built-in noise gate, Depth Finder for simulating tube power amp response, and DeFizzerator to reduce excessive high- end frequencies. The pedal also offers a 3-band EQ with Smooth Edge and Thrash switch, three effect loops (Global, Boost, Side Track), speaker simulator, balanced DI, and headphone output. Additionally, it has dual boost controls via a boost footswitch, and it can run at 9V or 18V. The dimensions of the BigRock Pro II are 5.63” W x 5” D x 2.13” H, and it weighs 3 lbs. It is handmade in the USA and comes with a 5-year limited warranty.
Watch the latest video demos and reviews for the BigRock Pro 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 Amptweaker BigRock Pro 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.
Brand New
$299
Mint
$327.45
Brand New
$299
Brand New
$299
Excellent
$241.77
Browse through eBay listings for the BigRock Pro 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.
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