Roland CUBE-40GX, a versatile 40-watt solid-state modeling guitar combo amplifie. Here are the key features and specifications of this amplifier:Key FeaturesThree Independent Channels: Features a JC CLEAN channel (modeled after the legendary Roland JC-120), a LEAD channel with 10 different COSM amp models, and a fully programmable SOLO channel that can store and recall customized amp types, EQ, and effects. Onboard COSM Amp Types: Includes variety of simulations ranging from Acoustic Sim, Black Panel, Tweed, and Brit Combo, to high-gain tones like Metal Stack, R-Fier Stack. Onboard Effects Sections):EFX: Chorus, Flanger, Phaser, Tremolo, and Heavy Octave.DELAY: Warm and Clear delay modes with a Tap Tempo button.REVERB: Vintage Spring emulation and studio-style Plate reverb. CUBE LINK: A built-in audio interface jack.