3 Zone Outputs. 5 Line Inputs. 2 Microphone Inputs. Zone Routable Inputs. 1U Rack MountableUnit Size: 1U Dimensions: 483 x 45 x 184 Weight: 2.2Kg. The QZM3520V2 is a 3-Zone mixer/preamplifier with two stereo and one mono zone output. On the choice of the installer- the zones can be level-controlled by either the internal front-panel control or an external potentiometer control (ZCP10A- optional). Every output zone's source signal can be freely chosen from any of the 4 stereo inputs- with two of these stereo inputs re-routable to the front side 3.5mm TRS stereo input and the rear-side balanced stereo input (FOH)- thus providing connectivity to both mobile players and balanced sources like a connected DJ or stage mixer. Two microphone inputs with switchable priority can either be included or excluded in/from every zone. Additional 2-Band EQs for every zone output and the music mute and emergency signal inputs with automatic priority make the QZM3520V2 a truly versatile core of any installed sound system.. 3 Zone audio mixer for installation into professional audio environments- with 5 Stereo inputs and 2 x Microphone Inputs. zone mixer-3 zone mixer-audio mixer