Small but loud, the Fender Rumble 25 is built with great features including classic Fender styling, 8" speaker, overdrive circuit, mid-scoop contour switch and more. A great practice, at-home and coffeehouse-gig combo for any bassist. Expore bass tones from classic gritty growl to slap-worthy modern punch with the newly-developed overdrive circuit and switchable contour controls A beefy 25 watt power amp and ported speaker enclosure pumps volume and deep bass response. Practice privately with the 1/4" headphone output jack that also mutes the speaker output. Jam along with your favorite tracks by simply plugging a MP3 player into the 1/8" Auxiliary input jack and instantly become part of the band.