LD Systems ZONE 624
19 Inch 4 Zone Mixer 3U
The LD Systems ZONE 624 gives you a fully-equipped 4-Zone Mixer. Sporting 6 line and 2 microphone channels, all of which you can assign to either a stereo or a mono master output. The ZONE 624 is a compact 3U rack device that also has inputs for an external emergency announcement system and remote-controlled switching mute.
Thanks to its extensive connectivity, the ZONE 624 is an extremely flexible solution for PA systems. So it’s perfect for food outlets, clubs, hotels, fitness centers and so much more! Sporting two balanced microphone inputs with a shared 3-band EQ, 12V phantom power, and Talkover functions. You can also individually set the Talk over for all zone outputs on the unit. While the 6 stereo input channels are equipped with gain control, signal and peak LEDs, 45mm faders, cue buttons, and RCA connections.
What’s more, ZONE 624 also has a switchable Aux input via 3.5mm jack and a USB port used as a stereo input and output. Therefore, turning ZONE 624 into an external audio interface. The master section outputs have been electronically balanced using both XLR connectors and terminal block connectors. While the stereo zone also has unbalanced RCA connectors.
Additionally, you can individually set the maximum output level for all of the zones. While the three mono outputs of the ZONE 624 each have a 2-band EQ; selectable 100Hz high pass filter; and a MIC mute switch with a level indicator.
Inputs 1-6 on the stereo master signal can be selected as a source. While the stereo output is equipped with a 3-band EQ; control for the Talkover sensitivity; and two LED chain levels meters. Finally, the ZONE 624 has a recording output as well as a controllable PFL headphone jack for previewing.
Product type: Mixers
Type Installations
Number of Zones 4 (Master, Zone A-C)
Type stereo
Installation Height 3 U
Total Input Channels 8 (2x Mic, 1x AUX/Line, 2x Phono/Line, 2x Line, 1x FOH/Line
Frequency response 20 – 40000 Hz
Microphone channels 2 (with phantom power 12 V)
Microphone Channel Connections 6.3 mm stereo jack (2 x balanced) , XLR
Microphone channel controls 1 x EQ Hi , 1 x EQ Low , 1 x Talkover , 1x EQ Mid , 2 x gain , 2x On/Off
Microphone Channels Display Elements On-LED
Microphone Channels Input Impedance 4 kOhm
Microphone Channels Input Sensitivity 4.5 mV
Microphone Channels THD 0.08 %
Line Channels 6 (Input 1: Aux/Line, Input 2 + 5: Line/Phono, Input 3: USB/Line 4: Line, Input 6: Line/FOH
Line input connectors input 2, 4 5: 2 x RCA , Input 1: 2 x RCA + 3.5 mm stereo jack , input 3: 2 x RCA + USB , input 6: 4 x RCA + 2 x 6.3 mm jack
Line Channel Controls 2x Phono/Line , AUX enable , Cue , FOH On , Gain , level
Line Channel Display Elements Cue-LED , Signal/0 dB-LED
Line Channel Input Impedance (Phono) 50 kOhm , 6 kOhm
Line Channels Input Sensitivity (Phono) 25m V , 2.1 V
Line Channels THD (Phono) 0.05% , 0.02%
input sensitivity AUX/Line 3 V
Line outputs 5 (Master – Stereo, 3x Zone – Mono, Rec – Stereo)
Output Connectors Master 2 x XLR (balanced) , RCA (x2) , terminal block
Master Controls EQ Hi , EQ Low , EQ Mid , level , Max. Level , T/O Damping , T/O Sensitivity
Master Display Elements 2 x 10 segment level meter
Master Output Levels (balanced) 24 dBu , (unbalanced) 17 dBu
Zone Output Connections terminal block , XLR (balanced)
Zone Controls 100 Hz High Pass , Cue , EQ Hi , EQ Low , Include Mic , level , Max. Level , Source , T/O Damp
Zone Display Elements 5-Segment Level Meter
Zone Output Levels 24 (balanced/ unbalanced) dBu
Output Connections Rec 2 x RCA
Headphones ouput 1
Headphone Out Port 6.3 mm TRS
Headphone Output Controls Cue Volume
Headphone Output Voltage (@ 32 Ohm) 2.5 V
Additional Inputs 2 (Emergency Input, Output Mute)
Connections Additional Inputs terminal block
Additional Input Controls Level Emergency Input
Input Sensitivity Emergency Input 5 V
Additional Controls power switch
Additional Display Elements Power-LED
Operating voltage 220 – 250 V AC, 50 Hz
Mains connector IEC power connector
Power consumption 25 W
Fuse T 500 mAL / 250 V
Width 485 mm
Height 132 mm
Depth 210 mm
Weight 4,4 kg
Accessories (included) Power cord , terminal blocks