Rolls' MX51sMini Mix 2 is small four-channel mixer with individual volume controls, and a headphone/line output. The unit has one XLR input along with an 1/8" input and 3 sets of stereo RCA inputs. It has enough gain and output level to connect to a power amplifier, with either RCA or 1/8" jacks.
The MX51s is powered by an included ROLLS PS27 12 VDC adapter.
For mixing a microphone XLR input with up to three RCA input signals