I tested and reviewed Positive Grid's Spark EDGE, an all-in-one portable PA and guitar amp that's ideal for busking.

The power transistors are placed on the same side of printed circuit board, so that it can be mounted on a heatsink jointly with the thermistor. The heatsink must be large enough and have the thermal ...

The basic electronics are ridiculously simple (given the sweet, sweet outcome). Just plug two op amp breakout boards together in series, stick a guitar at one end and a speaker at the other. Check out ...

And if you're on the fence, bear in mind that it's only 70 bucks. You could build your rig around it. Or you could use it as a backup for on-the-fly gigs when you need something to power a cabinet ...

HONG KONG, HK / ACCESS Newswire / July 28, 2025 / LAVA MUSIC, the industry-leading company behind the LAVA ME smart guitar ...

And thus, enter Fender's latest beast: the Tone Master Pro. This is no longer an all-in-one amp; it's a digital floor unit that combines all the previous Tone Master models, as well as a range of ...

Here’s how to set your amp up for recording, and get your mics set up to capture that sound in the best possible way. Getting record ready Start with your guitar A great guitar sound starts at the ...