What is a mixer-amplifier and how does it simplify small PA installations?

A mixer-amplifier combines audio mixing and power amplification in one unit, eliminating the need for separate devices and reducing cable runs, making it ideal for smaller retail, schools, and facilities.

How many audio sources can the four-input CSMA 1120 accept?

The CSMA 1120 accepts four independent inputs (e.g., microphone, music player, security alert, backup source), mixing them and amplifying to 120W output in a single device.

Is 120W of peak power sufficient for a small retail or restaurant installation?

Yes, 120W peak amplification is well-suited to small to mid-sized venues (300-600 sq m) such as boutiques, cafes, fitness studios, and small conference rooms.

Why would a school prefer a mixer-amplifier to separate components?

Combining mixing and amplification reduces equipment complexity, costs, and installation time, while occupying minimal rack or wall space in school multipurpose rooms or offices.

Can tone shaping in the CSMA 1120 compensate for room acoustics?

Yes, integrated tone controls allow adjustment of bass and treble to optimize audio for room size and materials, ensuring clear paging and balanced background music.

What types of commercial facilities use four-input mixer-amplifiers?

Schools, retail stores, restaurants, fitness centers, dental clinics, and small corporate offices benefit from the integrated simplicity and balanced 120W power.

How quickly can Procure.ae deliver a compact mixer-amplifier for my facility?

Lead times depend on current inventory; contact Procure.ae to confirm availability and expected delivery schedule for your small to medium-scale installation.

Does Procure.ae assist with installation of mixer-amplifier systems?

Procure.ae can provide guidance on input routing and amplifier setup; discuss your facility layout and audio needs when requesting installation support.

What output configuration does the CSMA 1120 provide?

It delivers a single mixed 120W amplified output; contact Procure.ae to confirm output impedance (4/8 ohm direct or 70V/100V transformer options).

Does this mixer-amplifier include phantom power for professional microphones?

For details on phantom power availability and microphone input specifications, contact Procure.ae to confirm all microphone support features.

What input connectors and impedance levels are available?

For complete I/O specifications including connector types (RCA, XLR, etc.) and input sensitivity, contact Procure.ae to ensure compatibility with your audio sources.

JBL CSMA 1120 Four-Input 120W Mixer Amplifier

The JBL CSMA 1120 is a four-input integrated mixer-amplifier delivering 120W of peak power in a compact 1U form factor. Combining mixing, tone shaping, and amplification in one device, it simplifies installation and reduces equipment counts for smaller to mid-sized PA systems in schools, retail outlets, restaurants, and fitness facilities across the UAE and GCC.

Overview

The JBL CSMA 1120 is a self-contained mixer-amplifier designed for facilities seeking an all-in-one audio solution. By combining four-channel audio mixing with 120W of amplification, it eliminates the need for separate mixer and amplifier units, reducing system complexity and installation costs for institutional and commercial installations.

Key Features

Four input channels with individual level controls
Single output channel delivering 120W peak power (15W per channel average)
Independent bass and treble controls for output channel tone shaping
Illuminated control knobs for visibility in low-light environments
Integrated Crown DriveCore amplification technology
Universal power supply accepting 100–240 VAC, 50/60 Hz
Euroblock mic/line input and output connectors
Simultaneous 4 Ohms, 8 Ohms, 70V, and 100V output taps
Auxiliary output for chaining to additional amplifiers
Fanless 1U form factor for silent, rack-mounted operation
HARMAN GreenEdge environmental certification
Compatible with JBL CSR-V wall-mounted remote controls

Specifications

Power Output: 120W peak (15W per input channel average)
Inputs: 4 channels (Euroblock mic/line)
Outputs: 1 channel (Euroblock, 70V/100V/4Ω/8Ω taps)
Impedance: 4 Ohms to 100V switchable
Frequency Response: 20 Hz to 20 kHz (±2 dB)
Connectivity: Euroblock, Cat5 Ethernet (control)
Dimensions: 219 × 303 × 43 mm
Weight: 3.4 kg
Color: Black
Country of Origin: United States

Why buy from Procure.ae

Procure.ae delivers complete audio amplification and mixing solutions to schools, corporate offices, retail chains, and hospitality operators across the UAE and GCC. Request a quote for integrated system configurations, bulk purchasing, and technical installation support.

FAQ

What does the auxiliary output allow me to do?
The auxiliary output carries the mixed audio signal independent of the main volume and tone controls, enabling you to chain the CSMA 1120 to a second amplifier for expanded system capacity or zone expansion.

Can I use 70V and low-impedance outputs simultaneously?
Yes, the CSMA 1120 provides simultaneous output taps allowing connection to both distributed 70V speaker systems and direct 4/8 Ohm speaker loads in the same installation.

Is DriveCore amplification more efficient than traditional designs?
Yes, DriveCore uses advanced switching technology to reduce heat generation and power consumption while maintaining clean, reliable audio amplification. This enables the fanless 1U design.