CHLD LS-250 Multi-Zone Mixer Amplifier — Full Description
This is a professional public-address (PA) mixer amplifier designed for commercial and institutional audio systems. It combines mixing, control, playback, and amplification in one unit — ideal for multi-zone paging, music distribution, and public announcements.
LCD / Digital Screen
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Central display for mode, input, playback info, and settings.
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Helps navigate menus and see active inputs or zones.
Microphone Input Controls
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3 separate MIC inputs
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Typically labeled MIC 1, MIC 2, MIC 3
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Each has its own volume knob
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Designed for paging microphones, speeches, announcements
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Line / AUX Input Controls
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Input level knobs for AUX / Line stereo input
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Accepts background music sources like phones, players, mixers
Tone & Master Controls
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Bass control
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Treble control
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Master volume control for overall output level
Media Playback Controls
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Built-in MP3 player controls:
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Play / Pause
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Next / Previous
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Mode switch
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Typically supports:
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USB playback
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SD card playback
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Zone Buttons / Indicators
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Can enable/disable 6 separate speaker zones
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LED indicators show active zones
Build & Design
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Standard 1U rackmount width
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Metal chassis with handles
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Professional look for racks or shelf installations
Microphone Inputs
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3 × MIC input jacks (¼″ or balanced)
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For connecting wired microphones or paging mics
Line Inputs & Output
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RCA Line Inputs (L/R) — for external audio
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Line Output / Pre Out — feeds external amps or recorders
FM Antenna
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Connector for an FM radio antenna
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Suggests integrated FM tuner
Speaker Outputs
Supports multiple PA speaker configurations:
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Low-impedance (4–16Ω) output
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70V output
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100V output
Allows hooking up: -
Ceiling speakers
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Wall speakers
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Zone speaker clusters
Zone Terminal Block
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6 zone outputs labeled Z1–Z6
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Screw-type speaker terminals for each zone
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Individual power routing for:
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Classrooms
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Hallways
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Shops
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Lounges
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Offices
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Protection & Cooling
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Ventilation holes & fan
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Prevents overheating during long use
Power Input
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Standard 220V AC power inlet
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Fuse protection