Based in California, with satellite operations in Europe and Asia, Positive Grid focuses on delivering superior and highly creative music experiences. Since 2008, the company has designed and developed a core technology base and is currently expanding it to various applications for mobile, desktop, and hardware. Positive Grid's best-known product range features the JamUp, BIAS Amp, and BIAS FX amp-and-effects guitar processors, as well as the BIAS Distortion pedal, BIAS Head and BIAS Rack amplifiers, now distributed worldwide.
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Play on the edge. Maximum freedom. Killer sound.
This 4-channel smart amp & PA system delivers 65 Watts of dynamic sound in a sleek, portable design. With dual XLR / 1/4" combo inputs, optional battery p...
Jaw-dropping, room-filling sound with advanced acoustics powered by computational audio. Seamless integration with Spark App. Bluetooth speaker, audio interface, rechargeable battery and headphone/line out.
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Spark GO Case Custom Protection for Spark GO
This official custom-designed carrying bag provides fit-like-a-glove protection for your Spark GO. With its durable exterior, soft padded interior, and custom accesso...
Escape the Cable Clutter
Escape the cable clutter with the Spark LINK Wireless Guitar System. Its sleek design, ultra‑low latency, and 70‑foot (over 20‑meter) range ensure a flawless, noiseless experience at hom...
Pure performance. Zero Cables.
Leave your cables behind with Spark LINK XLR – a wireless XLR audio system designed for dynamic microphones and more. Compact and portable, it’s ready to go right out of the box wi...
Born to Play
More than an amp, Spark LIVE is a revolutionary game‑changer poised to redefine what’s possible for live music.
4‑Channel Smart Amp & PA System
Spark LIVE is much more than an amp. ...
Battery-powered customizable portable practice amp and Bluetooth® speaker with smart app integration and big, beautiful multi-dimensional sound. Create your own grille design and take your tone anywhere!
A m...
Tone of a Legend. Built for You.
Innovative, groundbreaking, and utterly inspirational, the Spark MINI Vai amp bundle delivers everyday versatility with iconic tone and jaw‑dropping sound—designed in collabora...
Spark NEO is your full guitar rig—built into a pair of premium headphones
No amp. No pedals. Just immersive, high-impact tone delivered straight to your ears. Whether you go wireless with Spark NEO or plug in wi...
Wired Smart Guitar Headphones Pure tone. Plugged in.
Spark NEO Core gives you the full power of a pro guitar rig—right in your headphones. Designed for players who want immersive tone anytime, it combines stud...
Power Supply Unit (Detachable power cable is included)
DC19V / 2.5A center pin positive (+) power supply with power cable for Spark 40 (Spark 40 only, not for Spark 2)...
American Musical Supply is excited to be your stop for amp heads, effects pedals, and accessories from Positive Grid! We offer True 0% interest payment plans - applying is easy. Use your own debit or credit card, enjoy fast and free shipping, and add Positive Grid products to your creative setup.
We make buying Positive Grid products quick and easy - in-stock items that are ordered before 5PM will ship out the same day! (see our Shipping Information Page for more details) Do you have questions about Positive Grid gear and want to know which items would be best for you? Give us a call at 800-319-9043 - our experts are standing by.
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