UA Series Compact 100V Mixer-Amplifiers 100V mixer-amplifiers with an integral mixer in a half width 1U housing. 3 switchable mic/line inputs, an RCA line input and a 3.5mm Aux input are governed by front panel volume controls and a Master output control. Mono output to either 100V line or 8 ohms speaker load is connected via a removable screw terminal connector on the rear panel. Supplied with rack-mounting hardware which can be configured to mount a single unit against a wall or under a worktop. Designed as a versatile solution for small to medium PA installations.