Acquisition of this very cool controller monitors a greenhouse price. Rather robust design of corner braces for racking in 19 "are also provided ... It is rather reassuring, but not so easy to climb ... The potentiometers are notched and the volume potentiometer can be replaced by a non scallops ( . provided too) Cote quality rendering It is limited to 2 pairs of monitors + headphone, 1 entree + 1 main stereo auxiliary stereo input C is massive, short right at the right price... I'ma little sharing ... J observed a slight degradation VERY (almost insignificant) signal al listening headphones. I think listening to one semi pro studio and home, can ca ... on the other hand than enough for more demanding use ... It seems to me essential to move has the upper range. Packaging, manual and accessories are included (btr key for setting rack). Command buttons, ergonomics correct. manufacturer gives a serious image of the product which is positioned on an amateur / semi walking pro. reliable and well designed product for the price.