The JBL CSMA280 is an 8-input, 2-channel commercial mixer amplifier designed for distributed audio systems in retail, hospitality, and corporate environments. Delivering 80W per channel, this energy-efficient amplifier features Crown’s DriveCore technology for exceptional performance in a compact, fanless design. The unit includes Euroblock, RCA, and 1/4" inputs, allowing seamless integration with various audio sources. With dedicated bass and treble controls, intuitive front-panel operation, and priority muting capabilities, the CSMA280 ensures effortless sound management. Its sleek industrial design, universal power supply, and reliable convection cooling make it a top choice for integrators and installers seeking quality audio solutions.

The CSMA mixer/amps offer unmatched ease of use, with a clean, front panel featuring only volume controls for each channel, master volume adjustment, adjustable bass and treble controls and a power switch. All the volume controls are surrounded by an illuminated ring, making them easy to see and operate in darkened environments. The amplifier can drive 8 ohm and 4 ohm loads and can be used with 70V and 100V distributed audio systems without the need for a separate transformer. In addition to balanced mic/line inputs, unbalanced RCA inputs and speaker connections, all units include RJ45 connectors for use with JBL CSR-V in-wall volume controls. All models feature a universal power supply which enables the ability to accept AC voltages from 100 to 240 VAC, 50/60Hz.

• 8 inputs with 2 outputs of 80-watts of power

• Ideal for commercial and industrial use

• Fanless, space-saving 1U design

• Sleek industrial look with illuminated rings, making them easy to see and operate

• Euro-block type mic/line input connectors and output connectors

• Independent Bass and Treble controls for each output channel

• Supports 70V and 100V distributed audio systems without the need for a separate transformer

• Remote volume control capability using JBL CSR-V module and standard Ethernet cable

• Priority muting

• Configurable output routing

• Utilizes Crown’s DriveCoreTM technology providing excellent audio performance with high efficiency

• Manufactured to lead-free ROHS standards, utilizing recycled metals, and using an energy-saving powder coat process

• Includes rack mounting kit

• Three-Year, No-Fault, Fully Transferable Warranty completely protects your investment

• Energy Star Certified