Lab Gruppen CMA2402 – 2×240 W mixer amplifier, 8 inputs
Lab Gruppen CMA2402 is a 2-channel mixer amplifier delivering 2 × 240 W of power, ideal for commercial and industrial audio installations. It features 8 mic/line inputs, 4/8 Ω and 70/100 V modes, energy-saving functions, HPF, remote control via RJ-45, and a compact 1U rackmount design.
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Lab Gruppen CMA2402 – 2×240 W Mixer Amplifier with 8 Mic/Line Inputs
The Lab Gruppen CMA2402 is a high-performance 2-channel mixer amplifier delivering 2 × 240 W of power, designed for professional commercial and industrial installations. With its compact, energy-efficient design, it's the perfect solution for hotels, restaurants, schools, offices, and retail environments where reliable, scalable background music or public address systems are required. The CMA2402 combines user-friendly operation with advanced audio features, allowing precise adjustment to meet any project’s needs.
Key Features
- 2 × 240 W power output at 4/8 Ω or 70/100 V
- 8 mic/line inputs with individual volume control
- Supports both low-impedance and constant-voltage operation
- Auto Ramp function – automatic power-saving and wake-up
- RJ-45 input for remote volume control
- AUX output for system expansion
- Fanless convection cooling – silent operation
Flexible, Energy-Efficient Audio for Any Space
The CMA2402 is suitable for both small, single-zone setups and complex, multi-zone audio systems. Each channel's operating mode (4 Ω, 8 Ω, 70 V, or 100 V) can be selected via DIP switches. A built-in high-pass filter ensures protection of transformer-equipped speakers in 70/100 V systems while preserving sound clarity. The priority override function with background mute is perfect for paging and announcement systems.
Product Applications
Lab Gruppen CMA2402 is ideal for background music and paging systems in commercial spaces such as bars, restaurants, hotels, schools, offices, and retail stores. It can be easily integrated into any environment thanks to flexible mounting options (rack, wall, or under-shelf).
Technical Specifications
- Output Power: 2 × 240 W (at 4/8 Ω or 70/100 V)
- Inputs: 4 × Mic/Line Euroblock, 4 × RCA stereo (summed to mono)
- Outputs: Euroblock (speakers), AUX (Euroblock)
- Frequency Response: 80 Hz – 15 kHz (with HPF), 20 Hz – 20 kHz (without HPF)
- Signal-to-Noise Ratio: >100 dB
- Dimensions: 44 × 217 × 300 mm (1U, half-rack width)
- Weight: 3.2 kg
- Power Supply: 100–240 V AC, 50/60 Hz
Materials and Build Quality
The housing is made of anodized aluminum and steel, ensuring durability and a professional appearance. Rubber feet protect surfaces, and the included mounting accessories allow easy installation in racks, on walls, or under counters. Thanks to its compact size and lightweight design, the CMA2402 fits even in limited spaces.
What's Included
- Lab Gruppen CMA2402 mixer amplifier
- Rack and wall mounting brackets
- Rubber feet
- User manual
- Power cable
Why Choose the Lab Gruppen CMA2402?
The CMA2402 is the perfect choice for users seeking a reliable, easy-to-use, and flexible amplifier for permanent installations. With support for 70/100 V and low-impedance systems, auto energy-saving features, remote control capabilities, and a compact 1U form factor, this mixer amplifier delivers outstanding performance and efficiency. Choose Lab Gruppen CMA2402 for professional-grade audio that adapts to your needs.
Product delivery details Lab Gruppen CMA2402 – 2×240 W mixer amplifier, 8 inputs
Shipment from Warsaw, Poland.
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Lab Gruppen CMA2402 – 2×240 W mixer amplifier, 8 inputs - Frequently asked questions.
Does the CMA2402 support both low-impedance and 100 V systems?
Yes – each channel can be configured via DIP switches for 4/8 Ω or 70/100 V operation.
How many inputs does the CMA2402 offer?
It includes 8 total inputs – 4 Euroblock mic/line and 4 RCA stereo (summed to mono).
What is the Auto Ramp function?
The amplifier automatically enters standby mode after 20 minutes of inactivity and reactivates upon detecting a signal.
Can I control the CMA2402 remotely?
Yes – an RJ-45 port allows for connection of wall or tabletop volume controllers (e.g., LAB.LEVEL).
Is the unit fan-cooled?
No – it features fanless convection cooling for silent operation.
What are the mounting options?
It can be mounted in a rack, on a wall, or under a desk – all brackets are included.
What does the high-pass filter (HPF) do?
HPF protects transformer-loaded speakers in constant-voltage systems and improves overall clarity.
Can the system be expanded?
Yes – the AUX output allows for linking to additional amplifiers.
Product safety information
Additional information: