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CMX PA-2240MX 2-Zone Matrix Mixer Amplifier (2×240W)
► 2×240W Dual-Zone Power: Delivers 480W total RMS output across two independent audio zones.
► Dual Output Flexibility: Drives 100V distributed lines and 8-16Ω low-impedance speakers simultaneously.
► Built-In Media Player: Plays USB, SD, FM radio, and wireless Bluetooth across zones.
► 3 Phantom Mic Inputs: Balanced XLR/6.35mm inputs with +48V phantom power and VOX priority.
► Remote Mic Expansion: Supports up to 8 remote paging microphones via standard CAT6 cables.
► Remote Wall Controllers: Connects up to 2 local room control panels for localized selection.
► Emergency Fire Mute: Dedicated EMC input and contact closure for instant fire alarm override.
► Industrial Protection: Comprehensive short-circuit, overload, clip, and thermal protection for 24/7 reliability.
CMX Audio Solutions
CMX PA-2240MX 2-Zone Matrix Mixer Amplifier (2×240W)
2×240W Commercial Matrix Mixer Amplifier with USB/SD/FM/Bluetooth, Dual 100V & 8-16Ω Speaker Outputs, CAT6 Remote Mic Expansion, and EMC Fire Mute Override
The CMX PA-2240MX is a high-power 2-zone commercial matrix mixer amplifier delivering 2×240W RMS (480W total) across dual independent zones. Built for 19-inch 2U rack mounting or tabletop deployment, it features simultaneous 100V constant-voltage and 8-16Ω low-impedance speaker outputs, an integrated USB/SD/FM/Bluetooth media player, 3 combo XLR inputs with +48V phantom power, remote support for up to 8 paging mics (PA-2500RM) and 2 wall panels (PA-2500SV) via CAT6, and priority EMC fire alarm integration.
Ideal For
Core Engineering Features
Dual-Zone 2×240W Matrix Amplification
Delivers 240W RMS continuous clean power per channel (480W total) with flexible matrix routing, enabling independent audio distribution and volume levels across two distinct commercial zones.
Simultaneous 100V & 8-16Ω Output Topology
Isolated heavy-duty output transformers allow concurrent operation on 100V distributed speaker lines and low-impedance 8-16Ω high-fidelity loudspeakers without cross-talk.
Multi-Source Digital Media Engine
Front-panel digital player integrates MP3 playback via USB flash drive, SD card slot, digital FM tuner, and Bluetooth wireless receiver, routable independently to Zone 1, Zone 2, or both.
3 Balanced Inputs with +48V Phantom Power
Features 3 combo XLR/6.35mm inputs with switchable +48V phantom power for condenser paging mics, individual bass/treble equalizers, and VOX highest priority on Mic 1.
CAT6 Remote Paging & Wall Panel Bus
Dual RJ45 communication ports accommodate up to 8 cascaded PA-2500RM 2-zone remote paging microphones and up to 2 PA-2500SV localized wall control panels over standard CAT6 cables up to 300 meters.
EMC Emergency Priority & Safe Operation
250mV EMC emergency broadcast input and contact closure mute port integrate directly into fire alarm systems, backed by short-circuit, clip, overload, and high-temp thermal protection.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | CMX PA-2240MX |
| Description | 2-Zone Commercial Matrix Mixer Amplifier with USB/SD/FM/Bluetooth |
| Rated Power Output | 2 × 240W RMS (480W Total RMS) |
| Speaker Outputs | 2 Zone separated speaker outputs: 100V & 8–16Ω (simultaneous support) |
| Audio Inputs | MIC/LINE 1–3: 2.5mV Combo XLR balanced with +48V Phantom; Line: 150–470mV, 10kΩ RCA; EMC: 250mV RCA |
| Audio Outputs | Line Out: 0.775V (0dBV) RCA; Monitor Out: RCA |
| Frequency Response | 60Hz – 15kHz (±3dB) |
| Signal-to-Noise Ratio (S/N) | Line ≥ 85dB; Mic ≥ 72dB |
| Total Harmonic Distortion (THD) | < 0.5% at 1kHz, rated power |
| Built-in Media Player | USB port, SD card slot, digital FM tuner, and Bluetooth receiver |
| Remote Microphone Bus | RJ45 port supporting up to 8 × PA-2500RM 2-Zone Remote Microphones via CAT6 |
| Remote Control Panel Bus | RJ45 port supporting up to 2 × PA-2500SV 2-Zone Remote Wall Panels via CAT6 |
| Priority Levels | EMC > Mic 1 (VOX override) > Chime > Remote Mic (PA-2500RM) > Background Audio Sources |
| Remote Mute | Contact closure input (Closed circuit = mute background audio, Open circuit = normal) |
| Tone Controls | Individual Bass (±10dB at 100Hz) and Treble (±10dB at 10kHz) for each input channel |
| Chime Generator | Built-in 2/4-tone chime generator with dedicated chime volume adjustment |
| Protection Circuitry | Short-circuit, clip limiter, overload, and high-temperature thermal protection |
| Cooling System | Internal heatsink with thermostatically controlled low-noise cooling fan |
| Power Supply | AC 230V; 50/60Hz |
| Power Consumption | 600W |
| Form Factor | 19-inch 2U standard rack mount / tabletop chassis |
| Dimensions (W × D × H) | 484 × 405 × 88 mm |
| Net Weight | 9.6 kg |
Frequently Asked Questions
What is the main difference between the CMX PA-2240MX and PA-2120MX?
The CMX PA-2240MX delivers double the output power at 2×240W RMS (480W total) compared to 2×120W on the PA-2120MX. This allows it to drive larger commercial speaker networks, higher-wattage 100V taps, and wider acoustic coverage areas while retaining identical dual-zone matrix routing, media playback, and remote CAT6 control features.
Can the PA-2240MX send different audio sources to Zone 1 and Zone 2 simultaneously?
Yes. The PA-2240MX features a true matrix architecture. You can route background music from Bluetooth or USB to Zone 1, while simultaneously routing an auxiliary line source or paging microphone to Zone 2, each with independent volume and equalisation.
Can both 100V constant-voltage lines and 8-16Ω low-impedance speakers be connected simultaneously?
Yes. The amplifier provides isolated dual output terminals per zone supporting 100V distributed speaker lines and 8-16Ω low-impedance loudspeakers concurrently, provided total connected speaker wattage per zone does not exceed 240W RMS.
How does the PA-2240MX integrate with building fire alarms and emergency systems?
The amplifier features a dedicated remote MUTE contact closure port and an EMC priority RCA input. When a fire alarm trigger is received, background audio is immediately muted, and the emergency evacuation broadcast overrides all zones at maximum clarity.
What speaker load is recommended per zone for continuous 24/7 commercial operation?
Standard commercial AV engineering practice advises maintaining a 20% safety headroom margin. For each 240W zone on the PA-2240MX, a continuous connected speaker load of 190W to 200W ensures optimal thermal performance and decades of reliable operation.
Engineer Your Perfect Commercial Audio & Visual Environment
Contact our AV specialists for professional product selection, system integration, and turnkey installation support.
| Weight | 9.6 kg |
|---|---|
| Dimensions | 48.4 × 40.5 × 8.8 in |
| Brand | CMX Audio |
| Model | PA-2240MX |
| Rated Power Output | 2 × 240W RMS (480W Total) |
| Output Zones | 2 Independent Zones |
| Speaker Output Types | 100V & 8-16Ω (Simultaneous Support) |
| Audio Inputs | 3 × Combo XLR/6.35mm Mic/Line (+48V Phantom), 1 × RCA Line, 1 × EMC In, 1 × Remote Mute |
| Integrated Media Player | USB, SD Card, FM Tuner, Bluetooth Receiver |
| Remote Microphone Expansion | Up to 8 Units (PA-2500RM via RJ45/CAT6) |
| Remote Wall Panel Expansion | Up to 2 Units (PA-2500SV via RJ45/CAT6) |
| Frequency Response | 60Hz – 15kHz (±3dB) |
| Signal-to-Noise Ratio (S/N) | Line ≥ 85dB, Mic ≥ 72dB |
| Total Harmonic Distortion (THD) | < 0.5% |
| Protection Circuitry | Short-circuit, Clip, Overload, High-Temperature Thermal Protection |
| Power Consumption | 600W |
| Power Supply | AC 230V, 50-60Hz |
| Enclosure / Form Factor | 19-Inch 2U Rack Mount / Tabletop |
| Dimensions (W × D × H) | 484 × 405 × 88 mm |
| Net Weight | 9.6 kg |
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ProjecXive India –
The CMX PA-2240MX 2-Zone Matrix Mixer Amplifier (2×240W) is an excellent choice for commercial and professional AV installations. It delivers outstanding performance, reliable build quality, and seamless integration with standard AV infrastructure. Our team at ProjecXive India has verified this product for professional commercial use. Highly recommended for system integrators and AV designers.