The Texas rockers have used the same tone formula for decades, but when it comes to gear and making a statement, they’re kings of style.

Gibbons is experimenting with a Bigtone Custom Amplification Spanish amp that he bought on the ZZ Top European tour. Gibbons puts all of his guitars through a Boss GE-7 Equalizer that is matched up with his legendary Les Paul Pearly Gates tone.

ZZ Top’s guitar and bass tech, Elwood Francis, explains the ins and outs of the newest guitars and basses that Billy Gibbons and Dusty Hill have out on the road for 2015.