SAN DIEGO, Oct. 30, 2019 /PRNewswire/ -- Introducing Spark, (https://www.positivegrid.com/spark), a technologically enhanced amp and corresponding app from Positive ...

Boasting 100 percent wireless connectivity, the Spark Neo offers up to six hours of playing time from a single charge. Via the Spark app, there’s access to 33 amp models and 43 effects, thousands of ...