User manual
    9     
IMIX 5.3 
Ordercode: D2352 
17.  Aux mini jack in connector 
Unbalanced stereo mini jack aux input for connecting a line/phones level device. Use the phone/Line 
(21) button to set up this input for connecting either headphone or line level output devices. 
18.  Power LED 
Indicates that the IMIX-5.3 is switched on. 
19.  Power on/off switch 
Do not supply power before the whole system is set up and connected properly. 
20.  Aux RCA in connectors 
Unbalanced stereo RCA aux input for connecting a line/phones level device. Use the phone/line (21) 
button to set up this input for connecting either headphone or line level output devices. 
21.  Phone/line button 
Use this button to configure both aux (17,20) inputs for either line level or phone level. 
When the input level is too low, press the line/phone level switch. When the light is on, the level of the 
input signal will be boosted. The phone level adjusts the input sensitivity into the correct level for MP3 
players, smartphones or tablets. Now you can playback your MP3 devices directly without signal loss. 
22.  Output signal VU-meter (zone A/B/C) 
This meter is a multi-step LED. The accurate level indication allows you to monitor the output signal level 
at anytime, and match with other devices. 
23.  Level control (zone A/B/C) 
Allows you to adjust the output signal to the zone A/B/C (31-36, 45) outputs. 
24.  Balance control (zone A/B/C) 
By using the bal(ance) control you can adjust the balance between the left and the right channel.  
25.  PFL button 
The PFL button (pre fade listening) is designed to route the corresponding zone to the headphone 
section. It is possible to assign more than one zone simultaneous to the PFL bus. 
26.  Zone assign buttons 
Use these 3 buttons to assign the aux channel to one or more zones. 
27.  Headphones level control 
This control allows you to adjust the headphones’ volume. 
28.  Headphone out connector 
You can connect a pair of headphones with an impedance of 32 - 600 Ohm to the headphones 
connector. It is a 6,3mm/ 1/4” TRS socket, wired as Tip=left, Ring=right and sleeve = ground. 
Caution: Depending on the type of headphones connected to the Headphones jack, the IMIX-5.3 is 
capable of producing high output levels via the phones output. Therefore, make sure to turn the  
control all the way to the left (minimum setting) before connecting the headphones. Be aware of the  
fact that listening to loud sound pressure levels over a longer period of time leads to hearing damage! 
29.  Aux level control 
This control allows you adjust the level of the aux (17,20) inputs in the master mix. 










