The new CM20B & CM40B from our CM Series are the compact versions of our best selling CM150B bass amplifier, developed to satisfy players looking for solid build quality, simple and direct user interface, and superb-sounding tones in an affordable, compact, rock-solid package great for playing at home or for smaller venues. 20w | 8″ Speaker | 3 Band Equalizer | Freq Mode Button | Aux In & Headphone Out