Home Uncategorized Positive Grid celebrates 300K users of the Spark and Spark Mini by slashing prices on amps and software Positive Grid celebrates 300K users of the Spark and Spark Mini by slashing prices on amps and software planetsixstring September 15, 2022 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Bag yourself huge savings on the Positive Grid Spark, Spark Mini, Spark Control and Bias software for a very limited time