Whether you’re in the market for a new high-gain head or you just spend your free time searching for heavy riffage on YouTube, you’ll want to bookmark this article for reference. This month, we gathered 13 of the hottest high-gain amps on the market, brought in ace guitarists Misha Mansoor (Periphery) and Ty Dietzler (Thousand Foot Krutch), and let the cameras roll. Listen to both guitarists tearing up each channel of each amp listed below in CD-quality sound, and get a rundown of each amp’s main features. If you’re looking for a stripped-down metal machine or an amp stuffed with high-tech tools, there’s surely a monster for you.