AM642D Audiophile quality & ultra low noise 6 Mic/Line channels with inserts and phantom power 4 stereo channels with 4 band EQ 3 band EQ with swept mid-range plus low cut on each mono channel 3 Aux sends, one with Pre/Post switch 32/40 bit digital stereo multi effect processor with 100+ tap delay plus foot switch Stereo 9 band graphic EQ, assignable to main mix or aux 1 send 2 true subgroups with main L and R routing switches 2 stereo aux returns with effect to monitor level control Solo feature on each input and output XLR connectors available on main L / R output Built in switching power supply with universal connector, 100-240VAC, 50/60Hz Rack mounting kit included The AM Series mixers are compact and versatile with anywhere between 5 and 24 mono Mic/Line and stereo inputs. Ultra low noise pre-amps ensure high quality sound when used in project studios or sound reinforcement. Low-cut filters on mono channels eliminate unwanted sounds like stage rumble, P-pops, wind noise and low frequency recording studio room resonances. The multi-band EQ on mono channels gives you total control over your mix. The AM series also makes monitoring the mix easy with its dual multi-segment LED level meters and high volume headphone outputs.