In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. This unique amp is the realization of every bass players secret dream...a light, small, superportable amp with sweet tone and ample power. Housed in specially designed aluminum cabinets, it is a little over a foot high and wide, weighs only 25 lbs and drives a 12 speaker. It makes an ultimate practice and backstage amp and many players find them fully gig-worthy. The MB150S-III features standard 4-band EQ, standard patching, and limiter.