To purchase a JamMan® upgraded with JamExpand technology or if you have a unit you would like upgraded, please email us for current pricing and availability. From time to time, we list upgraded units on eBay. Purchase(s) may be made via PayPal. The JamExpand™ is offered EXCLUSIVELY by Signal Technology Labs.  

Video demonstration clips available here.

Going beyond the original 32 seconds clip (47 sec)

Full 17 minute 53 second demonstration clip (1 min 16 sec)

JamExpand Version 2.0 Solo Central Mode Clip (2 min 15 sec)




    JamMan® is a registered trademark of Lexicon and The Harman Consumer Systems Group (HCSG),

    a division of Harman International Industries, Inc. with which Signal Technology Labs has no affiliation.


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