Unity Pro Bass are the result of countless hours of technical research and benchmarking against the most iconic historic references. Designed from the ground up by bass players, for bass players they are straight forward and powerful. Add 250 Watts of extra stage power to any UNITY Combo with the UNITY U250ACT 1x15” active cab. Features: 250 Watts, Custom designed Eminence 15'' Opus speaker, Independent volume control, Combined XLR + ¼'' input allowing use with external preamps, Passive ¼” input for use as a standard extension cabinet, XLR Through to chain together multiple Unity active cabinets.