GFI System - Jonassus Drive
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GFI System - Jonassus Drive

$249.00

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The GFI Systems - Jonassus Drive is an excellent overdrive with a ton of possibilities. With two channels you can dial in some great sounding warm overdrive sounds with ease. The overdrives are organized by several different clipping modes. Diode, LED, symmetrical and asymmetrical are all represented in a fantastic overdrive that behaves like real analog.


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We take the time to set up every new guitar, mando, bass, uke, or banjo for every player, whether it was purchased here in Lawrence, Kansas or on our website. Large retailers are content to ship you a guitar right off of the warehouse shelf, while we take pride in the fact that your new instrument will be set up to be truly ready to play - for you.

Call us at 800-747-9980 or send us an email at info@massstreetmusic.com - we're here to help! All of us at Mass Street Music are musicians, and we're dedicated to helping you find exactly what you're looking for. You can also check out our Staff Page if you'd like to email one of us directly.

Any new or used gear $25 or over gets shipped to you for FREE via our favorite carrier, Fed Ex – ground, to all 'lower 48' U.S. states and we offer a 7 day return policy. Alaska and Hawaii, expedited shipping, international shipping are more. We also ship around the globe. Read more about our Shippping.