Guitar amps are getting more connected and more flexible. Boss' latest Katana offerings simulates 10 different amp models and 60 effects. While Yamaha's THR line features a rechargeable battery and ...

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

Powered amps for electric guitars have gotten some neat tricks powered by modern mobile tech over the years, but the new Positive Grid Spark ($299) might be the one that packs the most intelligence ...