LD Systems ZONE622 19-Inch 2-Zone Mixer

LD Systems ZONE 622 2-Zone Mixer The ZONE 622 is a particularly compact 1U zone mixer with 6 line and 2 microphone channels, that can be assigned to a stereo or a mono master output. The device has all the essential functions, an input for an external emergency announcement system with its own volume control, and a connection to the remote-controlled switching mute. The ZONE 622 is suitable as a sound system for separate zones in restaurants, clubs, hotels, fitness centres, and for presentations. The two balanced microphone channels with stereo jack inputs are equipped with controls for Gain, Talkover volume, Talkover attenuation, 12V phantom power and a shared 2-band EQ. The line channels 1 and 2 can also be used to connect unbalanced microphones, and channel 6 is specially designed for balanced FOH signals. The stereo input channels of the ZONE 622 have a Cue button and volume control signal display, and the channels 1-5 have an additional gain trimmer. Furthermore, the zone mixer has a 3.5 mm mini jack input and a USB port , that is used as a Stereo Input and Output (Recording Out). So you can use the ZONE 622 as an external audio interface. The stereo and mono output sections have their own meters, 2-band EQ, trimmer for adjusting the maximum output level, as well as electronically balanced jack plugs and terminal block connectors. In addition, the stereo section has unbalanced RCA jacks. An adjustable headphone jack for previewing and a recording output complete the equipment for the ZONE 622.


  • Professional 2 Zone mixer
  • 2 dedicated microphone inputs, 2 selectable mic/line inputs, 3 line inputs
  • Zone output with selectable source
  • High / Low EQ control for master output and zone
  • Emergency input with level control and output mute contact
  • AUX input and USB connectivity for direct playback
  • FOH input¬†with volume control.

Technical Information

Product type Mixers
Type Installations
Number of Zones 2 (Master, Zone)
Type stereo
Installation Height 1 U
Total Input Channels 8 (2x Mic, 2x Mic/Line, 3x Line, 1x FOH)
Frequency response 20-40kHz
Microphone channels 2x 1/4″ TRS Jack (with 12V phantom power)
Microphone channel controls 1 x EQ Hi , 1 x EQ Low , 1 x Talk Over Damp , 1 x Talk Over Level , Gain , On / Off
Microphone Channels Input Impedance 4 kOhm
Microphone Channels Input Sensitivity 6.1 mV
Microphone Channels THD 0.08%
Line/microphone Channels 2 x RCA , 3.5 mm stereo jack (input 1) , 6.3 mm stereo jack (balanced)
Line/microphone channel controls Cue , level , mic/lline , Trim
Line Channels 3
Line Channels Input 3-4: 2 x RCA , Input 5: 2 x RCA + USB
Line Channel Controls Cue , level , Trim
Line Channel Input Impedance 4 kOhm
Line Channels Input Sensitivity 1.5 V
Line Channels THD 0.03%
Input sensitivity AUX/Line 3 V
FOH Input 1x Stereo 1/4″ TRS (balanced)
FOH Input Controls Cue , level
Line outputs 3 (Master – Stereo, Zone – Mono, Rec – Stereo)
Output Connectors Master 6.3 mm stereo jack (2 x balanced) , RCA (x2) , terminal block
Master Controls EQ Hi , EQ Low , level , Max. Level
Master Output Levels (balanced) 24 dBu , (unbalanced) 18 dBu
Zone Output Connections 6.3 mm stereo jack (balanced) , terminal block
Zone Controls EQ Hi , EQ Low , level , Max. Level , Source Input 1-5/Mix
Zone Display Elements 5-Segment Level Meter
Zone Output Levels 24 (balanced/ unbalanced) dBu
Output Connections Rec 2 x RCA
Headphones ouput 1 x 1/4″ TRS
Additional Inputs 2 (Emergency Input, Output Mute)
Connections Additional Inputs terminal block
Operating voltage 220 – 250 V AC, 50 Hz
Power consumption 18 W
Fuse T 500 mAL / 250 V
Dimensions 485 x 44 x 179 mm
Weight 2.4 kg
Accessories (included) Power cord , terminal blocks