1U Mic Line Rack Mixer ML622 6 Mic Plus 2 Aux Adastra1U Mic Line Rack Mixer Rack mountable 1U mixer with 6 mic line inputs and 2 auxiliary inputs. Each mic line channel has switchable phantom power and input level. Output connections are stereo XLR, mono jack or REC output on RCA with master bass and treble tone controls. Designed as a master or expansion mixer for installed sound systems and conferences. 6 switchable mic or line inputs 2 stereo aux inputs Individually switchable phantom power 24Vdc