Price: $649.00

JBL CSMA 280 8-channel 80W Mixer Amplifier

The JBL CSMA 280 8-channel 80W Mixer Amplifier is perfect for commercial and industrial use. This new JBL line of lightweight mixer amplifer's use Crown’s high-efficiency DriveCore Technology and HARMAN’s GreenEdge environmentally conscious manufacturing The CSMA 280 quickly pays for it's self in energy savings. With the sleek industrial look and super clean front panel displaying only volume controls for each channel, they offer you an simple professional tool with uncompromised performance.

The volume controls on the JBL CSMA 280 8-channel 80W Mixer Amplifier's are surrounded by a colored ring of light, making them easy to see and operate in dark environments. The amplifier can drive 8 ohm and 4 ohm loads and can be used with 70V and 100V distributed sound 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. This model feature a universal power supply which gives it the ability to accept AC voltages from 100 to 240 VAC, 50/60Hz.

JBL CSMA 280 Features:

  • 8 inputs with 2 outputs of 280-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 DriveCore 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

JBL CSMA 280 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:  1.4V RMS
  • Signal to Noise Ratio:  -weighted
  • Input Impedance:  Balanced 20K Ohms/Unbalanced 10K Ohms
  • Max Input:  20dBu Typical
  • Dimensions:  8.2" x 1.7" x 7" (209 mm x 44 mm x178 mm)
  • Shipping Weight:  2.9 lbs (1.3 kg)