Lab Gruppen CMA1202 Power Amplifier for Installations

Lab Gruppen CMA1202 Commercial Mixer Amplifier for Distributed Audio

The Lab Gruppen CMA1202 is a 2-zone, 2 × 120 W commercial mixer amplifier built to drive background music and public-address systems in bars, restaurants, retail stores, hotels and education venues. Each output channel is independently configurable for Low-Z (4/8 Ω) or High-Z (70/100 V) loudspeaker lines via rear-panel dipswitches, so a single rack unit feeds both transformer-coupled ceiling speakers and conventional low-impedance cabinets. Auto Ramp circuitry wakes the unit on signal and drops it into standby after 20 minutes of silence to cut energy use.

What Sets the CMA1202 Apart in Commercial Install Amplifiers

Built around Lab Gruppen's direct drive constant power topology, this mixer amplifier maintains output integrity regardless of connected load, eliminating the need for output transformers in many 70/100 V designs. The RJ45 GPI port accepts standard Ethernet cabling to connect the CRC-V Series wall controllers and the LAB.LEVEL tabletop controller, placing volume and source selection wherever staff need them. Convection cooling means no fans to fail or to add mechanical noise to quiet lobbies.

Power, Performance and Connectivity Specifications

Power delivery and signal quality are the headline numbers for any commercial amp, and the CMA1202 is rated for real-world distributed-audio duty rather than short musical peaks. The Class-D output stage delivers clean headroom for speech and program material across both constant-voltage and low-impedance lines.

• Output Power: 2 × 120 W at 4 Ω, 8 Ω, 70 V and 100 V — covers Low-Z and High-Z loudspeaker lines from a single unit
• Frequency Response: 20 Hz – 20 kHz (+0.5/-2 dB) — full-range reproduction for music and intelligible voice paging
• Signal-to-Noise Ratio: > 97 dBA — quiet background for ambient music in lobbies and dining rooms
• THD: < 0.05% at 1/8 rated power — low distortion keeps announcements and music clear at typical operating levels
• Amplifier Class: Class-D — high efficiency reduces heat output and operating cost in always-on installs

Who Should Choose the Lab Gruppen CMA1202

The CMA1202 is the right choice for AV installers and venue operators who need a single amplifier that drives both 70/100 V distributed speaker lines and conventional 4/8 Ω cabinets across two independent zones. System integrators in hospitality, retail and education will appreciate the eight mic/line inputs, 48 V phantom power and per-channel bass/treble shelving EQ, which let staff tune each zone without external processing. Facility managers running 24/7 background music benefit from Auto Ramp standby, convection cooling and the 1U rack chassis that drops into standard 19" enclosures.