The Cube20X is a big 20 watts has has a two channel configuration that lets you switch between a clean channel and a "lead" channel which features Roland's famous COSM modeling. The sounds available include Metal Stack, Metal, Overdrive, Distortion, Tube Drive, and an acoustic simulator taken from the BOSS AC-3 effects pedal. The Cube-20X also features onboard effects that include reverb, delay, chorus, flanger, phaser, and tremolo. A 3-band EQ lets you shape your tone across the frequency spectrum. The Cube-20X sends 20 watts of power at 8 Ohms into a high-quality 8" speaker.