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CMX EA-240A – Mixer Amplifier
► Heavy-Duty 240W RMS Continuous Output 19-Inch 2U Rack Mount Mixer Amplifier
► Built-In Digital Multimedia Player with Bluetooth Streaming, USB Flash Drive, SD & FM Radio
► Multi-Tapping Outputs: 100V / 70V Constant Voltage & 4Ω, 8Ω, 16Ω Low-Impedance
► Mic 1 Balanced XLR Input with 48V Phantom Power & Automatic VOX Highest Priority Override
► Dual Mic/Line Switchable Inputs (6.35mm Jack) & Two Auxiliary Stereo RCA Inputs
► Rugged Heavy-Duty Metal Chassis with Dual Ergonomic Front Aluminum Rack Handles
► Standard AC 230V Mains Operation with Low-Noise Forced Air-Cooling Architecture
► Complete Protection Suite: Short-Circuit, Signal Clip, Overload & High-Temp Thermal Shutdown
CMX EA-240A – Mixer Amplifier
Professional High-Power 240W RMS 19-Inch Rack Mount Commercial PA Mixer Amplifier with Built-In Bluetooth, USB/SD Media Player, FM Tuner, 100V/70V & 4–16Ω Speaker Outputs, VOX Priority, and Dual Handles for Enterprise Public Address Systems
The CMX EA-240A is a heavy-duty 240W RMS commercial mixer amplifier engineered in a standardized 19-inch 2U rack-mount chassis with reinforced aluminum handles, designed for demanding, high-capacity public address (PA) and background music (BGM) installations. Delivering double the power of the EA-120A, this unit effortlessly drives larger arrays of distributed ceiling loudspeakers, projection speakers, and paging horns across commercial facilities. It features an integrated front-panel digital media player with Bluetooth wireless audio streaming, USB flash drive, SD memory card playback, and a digital FM radio tuner with an informative blue LCD status display. Equipped with multi-tap 100V and 70V commercial distributed lines alongside 4–16Ω low-impedance taps, a balanced XLR microphone input with switchable 48V phantom power and VOX priority override, and industrial multi-stage safety circuitry, the EA-240A provides robust, reliable 24/7 commercial performance.
Ideal For
Core Engineering Features
High-Power 240W RMS Commercial Output
Delivers a robust 240 Watts of continuous, low-distortion clean power, making it ideal for large-scale commercial facilities requiring higher acoustic volume and extended speaker arrays.
Standardized 19″ Rack Mount Enclosure with Handles
Constructed in a heavy-duty 2U 19-inch rack-mountable metal chassis featuring reinforced dual front aluminum handles for clean, secure AV equipment rack integration.
Integrated Bluetooth & Digital MP3 Media Player
Incorporates a front-panel digital media player supporting wireless Bluetooth streaming, USB flash drives, SD cards, and a digital FM tuner with a clear LCD status screen.
Multi-Tap 100V, 70V & 4–16Ω Speaker Terminals
Supports high-voltage 100V and 70V commercial distributed speaker lines for long-distance runs without line loss, as well as direct 4Ω, 8Ω, and 16Ω low-impedance connections.
Balanced XLR Mic with Phantom Power & VOX Priority
Features a balanced XLR Mic 1 input with switchable 48V phantom power for condenser gooseneck mics and automatic voice-activated (VOX) priority that silences background music during announcements.
Flexible Dual Aux & Mic/Line Connectivity
Provides two switchable 6.35mm microphone/line inputs, two stereo RCA auxiliary inputs for external players, independent input gain controls, and master Bass/Treble EQ.
Industrial Multi-Stage Safety & Protection Suite
Built with comprehensive protective circuitry safeguarding against output short-circuits, signal clipping distortion, overload, and thermal overheating with dedicated LED status indicators.
Technical Specifications
| Parameter | Details |
|---|---|
| Model | CMX EA-240A |
| Brand | CMX Audio |
| Product Category | High-Power 19-Inch Rack Mount Commercial Mixer Amplifier with Bluetooth |
| Rated Power Output | 240 Watts RMS Continuous |
| Speaker Outputs | 100V / 70V Constant Voltage & 4Ω, 8Ω, 16Ω Low-Impedance Terminals |
| Integrated Media Player | Bluetooth Audio Streaming, USB Flash Drive MP3, SD Card, FM Digital Radio |
| Microphone Inputs | Mic 1: Balanced XLR with 48V Phantom Power & VOX Priority; Mic 2-3: 6.35mm (1/4″) Phone Jack Mic/Line Switchable |
| Auxiliary Line Inputs | 2 × Stereo RCA Line Inputs (Line 1, Line 2; 150-470mV, 10kΩ) |
| Line Output | 1 × Stereo RCA Audio Output (0.775V / 0 dBV) |
| Frequency Response | 60 Hz – 15 kHz (±3 dB) |
| Total Harmonic Distortion (THD) | < 0.5% at 1 kHz Rated Output |
| Signal-to-Noise Ratio (SNR) | Line: ≥ 85 dB; Mic: ≥ 72 dB |
| Tone Controls | Bass: ±10 dB at 100 Hz; Treble: ±10 dB at 10 kHz |
| Circuit Protection | Short-Circuit, Signal Clip, Overload, High-Temperature Thermal Protection |
| Status Indicators | Power, Signal, Clip, Protection LEDs, and Media LCD Screen |
| Power Requirements | AC 230V, 50/60 Hz Standard Mains |
| Power Consumption | 310 Watts Maximum |
| Form Factor | 19-Inch 2U Rack Mount Metal Chassis with Dual Front Handles |
| Chassis Dimensions (W × D × H) | 484 mm × 405 mm × 88 mm |
| Net Weight | 8.6 kg |
Frequently Asked Questions
What is the primary difference between the CMX EA-120A and the CMX EA-240A?
Both models share the exact same standardized 19-inch 2U rack-mount chassis with dual handles, media player (Bluetooth/USB/SD/FM), inputs, and protection architecture. The key difference is power: the EA-240A delivers 240W RMS continuous output (compared to 120W on the EA-120A), allowing it to drive twice the number of 100V ceiling speakers or horns across larger commercial venues.
How many 100V ceiling speakers can I connect to the CMX EA-240A?
With a 240W RMS rating and standard engineering headroom (20% margin recommending up to ~190W–200W total speaker load), you can connect approximately thirty-two to thirty-eight 6W ceiling speakers, or nineteen to twenty 10W ceiling speakers tapped on the 100V line.
Can the EA-240A power both 100V line speakers and low-impedance speakers?
Yes. The EA-240A features multi-tap speaker output terminals on the rear panel supporting standard 100V and 70V commercial distributed speaker lines as well as 4-Ohm, 8-Ohm, and 16-Ohm direct low-impedance loads.
How does the VOX microphone priority override function on the EA-240A?
When an announcement is spoken into the primary balanced XLR Mic 1 input, the automatic VOX circuit instantly ducks (attenuates) background music playing from Bluetooth, USB, SD, or RCA Aux inputs. Once the speaker finishes talking, background audio seamlessly fades back to normal listening levels.
Does the EA-240A include built-in rack-mounting brackets?
Yes. The EA-240A is built in a 19-inch 2U rack-mount metal chassis with integrated front mounting ears and dual heavy-duty aluminum handles, enabling immediate installation into standard 19-inch AV equipment racks.
Engineer Your Perfect Commercial Audio & Visual Environment
Contact our AV specialists for professional product selection, system integration, and turnkey installation support.
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ProjecXive India –
The {‘author’: ‘ProjecXive Commercial Audio Specialist’, ‘author_email’: ‘support@projecxiveindia.in’, ‘rating’: 5, ‘content’: ‘The CMX EA-240A delivers powerhouse 240W RMS performance with clean audio clarity across 100V lines. Built in a heavy-duty 19-inch 2U rack enclosure with integrated Bluetooth, USB/SD media playback, VOX priority override, and industrial safety protection, it is an outstanding amplification solution for large enterprise venues.’} 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.