By Paul Ridden February 22, 2022 The Spark Mini is a battery-powered smart guitar amp and Bluetooth speaker, with cooked-in amp models and effects and mobile app integration ...

Battery-powered pocket amplifiers exist and street performers have pretty solid busking setups, but a truly worthy and ready traveling amp was still something that eluded much of the guitar world.

Trulli Audio announced its revolutionary wireless, battery-powered subwoofer portfolio is shipping beginning on July 26. The Trulli Bass50 Subwoofer delivers high-output bass in a plug-and-play audio ...

Specifically, applications would include battery-powered patient monitors, remote sensors, handheld instrumentation, among other mobile types of equipment. The low-power CMOS dual op amp features ...