High-gain guitar amplifiers and metal go hand in hand, whether it's doom, thrash, death, or just plain heavy. Armed to the teeth with 12AX7s, EL84s, and features like multi-band EQs and a smattering of overdrive modes, these amplified beasts are a shredder's best friend. From mainstays like the Peavey 5150 and Mesa Boogie Triple Rectifier to boutique offerings from Diezel, Bogner, Splawn and more, find the ultimate high-end high-gain guitar amp head to build your dream rig on Reverb.