84Positive Grid Spark Pearl review: A high-tech guitar amp that's easy on the eyesIt's not without rough edges, but offers a lot of versatility for the price.By T. O'Brien, 04.19.2021
78Yamaha’s tiny wireless guitar amp gets everything right but the priceThe tiny THR10 II Wireless looks great and sounds great but costs much more than the competition.By T. O'Brien, 02.13.2020
Positive Grid's Spark amp helps you learn and jam to your favorite songsThe amp and its companion app meld tone modeling with mobile features.By M. DeAngelis, 10.25.2019
Line 6 Mobile In app turns your iPad or iPhone into a multi-effect amp -- party on, WayneBy L. Leavitt, 09.14.2011