JBL CSM28 8In 2Outputs Commercial Series Mixer


8 Inputs 2 Outputs RCA and Euroblock Input Connectors RCA Inputs for Consumer Connection


The JBL Commercial CSM28 offers fixed I/O, pre-configured architecture, control of multiple audio sources routable to two independent output channels, simple front-panel configuration and control without the need for a computer, and compatibility with CSR series wall controllers.

Simplicity and ease of use and installation are the goal with the CSM28. Six of the eight input channels will accept stereo RCA (summed to mono) or Euroblock style connections, while two input channels are Euroblock only with optional priority ducking. All input channels can be switched for line level or mic level sources, and phantom power may be switched on or off. Output connection is via two Euroblock connectors, and there are two RJ45 connectors for optional CSR-V remote volume controls.

The CSM28 features a front panel design that is simple and clean. Master volume for each output channel as well as individual level controls for each input are present, as are recessed independent treble and bass EQ controls for each output channel. A power switch is featured on the front panel, and all control knobs have illuminated backlit rings to add an air of elegance to any installation.

Line Output Level5.0 V RMS into 10 kOhms
Frequency Response20 to 20,000 Hz ±1 dB
Total Harmonic Distortion0.05% typical
Signal to Noise Ratio>90 dB
Input ImpedanceMic: 400 ohms 
Line: 20 kOhms 
RCA: 50 kOhms
Crosstalk>70 dB
Tone ControlsBass: ±10 dB at 100 Hz 
Treble: ±10 dB at 10,000 Hz
Input SensitivityMic: 3 mV RMS 
Line: 300 mV RMS 
RCA: 300 mV RMS
Phantom Power+27 VDC
Input/Output AC Line Voltage100 to 240 V, 50/60 Hz
Operating Temperature / Humidity32 to 104°F (0 to 40°C) 95% R.H. (non-condensing)
Storage Temperature68 to 185°F (-20 to 85°C)
Dimensions1.7 x 17.2 x 11.9" (43.3 x 437 x 303.4 mm)
Weight7.5 lb (3.4 kg)
Packaging Info

Package Weight11.3 lb
Box Dimensions (LxWxH)20.5 x 16.4 x 5.1"

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See Also : Mixer, JBL