JBL CSMA1120 | 120 Watt 4 Channel Fanless Commercial Mixer Amplifier

The JBL CSMA1120 Mixer-Amplifier is the epitome of professional sound solutions designed specifically for commercial environments. Boasting a robust power output of 120-watts across four channels, this mixer-amplifier is adept at handling various audio needs with unparalleled efficiency. Leveraging Crown's DriveCore technology, the CSMA1120 ensures high performance while maintaining a compact and sleek industrial design that occupies only 1U of rack space, making it ideal for space-constrained setups.

One of the key highlights of the JBL CSMA1120 is its fanless operation, which allows for silent running, ensuring that the ambiance of your commercial establishment remains undisturbed. The front panel is intuitively designed, featuring only volume controls for each channel, along with a master volume adjustment and separate bass and treble controls. These controls are surrounded by illuminated rings, making them easy to locate and adjust even in dimly-lit environments. Furthermore, the unit supports both 8-ohm and 4-ohm loads and is compatible with 70V and 100V distributed audio systems, eliminating the need for additional transformers.

With versatile connectivity options, including balanced mic/line inputs, unbalanced RCA inputs, and easy remote volume control capability via the RJ45 connectors and JBL CSR-V in-wall modules, the CSMA1120 is engineered for ease of use and maximum compatibility. The universal power supply, accepting 100 to 240 VAC, ensures global usability, making it a reliable choice for both local and international installations. Whether for retail settings, offices, or large conference rooms, the JBL CSMA1120 offers unmatched sound quality and operational simplicity.

Key Features

• 120-watts of power output across 4 channels
• Ideal for commercial and industrial use
• Fanless, 1U space-efficient design
• Illuminated volume controls for easy operation in darkened environments
• Euro-block type mic/line input connectors and output connectors
• Independent bass and treble controls for each output channel
• Support for 70V and 100V distributed audio systems
• Remote volume control capability via JBL CSR-V module and standard Ethernet cable
• Priority muting feature
• Configurable output routing
• Utilizes Crown's DriveCore technology for excellent audio performance and high efficiency
• Manufactured to lead-free ROHS standards
• Includes rack mounting kit
• Three-Year, No-Fault, Fully Transferable Warranty
• Energy Star Certified

Specifications

• Output: 120W @ 4/8 Ohms (1kHz Power, THD+N<0.5%)
• Frequency Response: +/- 1dB (@1W into 4 or 8 Ohms)
• Load Impedance: Stable from 2 - 16 Ohms
• Sensitivity: 1.4Vrms
• Signal to Noise Ratio: Greater than 100 dB - 1kHz, A-weighted
• Input Impedance: Balanced 20K Ohms / Unbalanced 10K Ohms
• Max Input: +20dBu Typical
• Included Accessories: Rack mounting kit
• Dimensions: 1.7" x 8.6" x 11.9" (43.3 mm x 218.5 mm x 303.4 mm)
• Shipping Weight: 10.1 lbs (4.6 kg)

Package Contents

• JBL CSMA1120 Mixer-Amplifier
• Rack Mounting Kit
• Power Cord
• User Manual
• Warranty Card