JBL CSM 28 - 8-Input/2-Output Commercial Mixer with Euroblock Mic/Line Input and Output Connectors in Black Finish

The JBL Professional CSM 28 is a high-performance 8-input/2-output commercial mixer designed to meet the demands of commercial and industrial environments. Combining the technological expertise of Harman brands, this mixer is ideal for providing background music, security, and paging in various facilities such as schools, hospitals, restaurants, and fitness centers. With its advanced features, it offers unparalleled flexibility and control for professional audio applications.

The mixer is equipped with Euroblock type mic/line input and output connectors as well as RCA inputs, making it compatible with a wide range of audio equipment. The front panel features illuminated rings around the volume, bass, and treble controls, ensuring ease of use even in low-light conditions. On the rear panel, an array of DIP switches provides configurable input/output routing, giving users the ability to customize the system to suit specific needs. Additionally, RJ45 connectors allow for remote volume control using the JBL CSR-V in-wall volume control module (sold separately). The universal power supply supports AC voltages from 100 to 240 VAC (50/60 Hz), offering global compatibility and flexibility for installations around the world.

The CSM 28 is built with Harman's GreenEdge clean standards, making it an energy-efficient solution with a space-saving design that conforms to RoHS standards. This mixer is lightweight and compact, delivering high-quality audio performance while minimizing its environmental impact. The mixer also includes a priority muting feature using PTT switch closure, VOX ducking during announcements, and soft mute functionality for quiet power on/off operation. With these features, the CSM 28 offers excellent versatility in a variety of commercial and industrial applications.

Features

• 8 input channels and 2 output channels
• Ideal for commercial and industrial applications such as schools, hospitals, restaurants, and fitness facilities
• Euroblock type mic/line input and output connectors, as well as RCA inputs
• Dedicated volume, bass, and treble controls with illuminated rings for easy visibility
• Rear panel features DIP switches for configurable input/output routing
• Remote volume control using JBL CSR-V module (sold separately) and standard ethernet cable
• Expandable system with JBL Commercial Series Mixer-amplifiers or amplifiers
• VOX ducking during announcements for smooth communication
• Priority muting using PTT switch closure
• Configurable output routing for flexible integration
• Soft mute feature for quiet power on/off operation
• Universal power supply accepts AC voltages from 100-240V, 50/60 Hz
• Built using Harman's GreenEdge clean standards for energy efficiency
• RoHS compliant and environmentally friendly design
• Operating temperature: 0°C to 40°C, 95% humidity (non-condensing)
• Dimensions: 17.2 x 11.9 x 1.7 inches
• Net weight: 7.5 lbs, Shipping weight: 10.8 lbs
• 3-year warranty

Specifications

Performance

• Number of Input Channels: 8
• Number of Output Channels: 2
• Line Output Level: 5.0 Vrms into 10 kΩ
• Input Sensitivity:
  • Mic Input: 3 mVrms
  • Line Input: 775 mVrms
  • RCA Input: 300 mVrms
• Frequency Response: 20 Hz - 20 kHz, +/- 1 dB
• Total Harmonic Distortion (THD): 0.05% typical
• Signal-to-Noise Ratio: >90 dB (A-weighted)
• Input Impedance (Nominal): Mic: 400 Ω, Line: 20 kΩ (Balance), RCA: 50 kΩ
• Phantom Power: +27 VDC
• Crosstalk: >70 dB
• Tone Controls:
  • Bass: +/-10 dB @ 100 Hz
  • Treble: +/-10 dB @ 10 kHz
• Nominal AC Line Voltages: 100-240V, 50/60 Hz
• Operating Temperature/Humidity: 0°C to 40°C @ 95% R.H. (non-condensing)
• Storage Temperature: -20°C to 85°C

Dimensions and Weight

• Net Weight: 7.5 lbs
• Dimensions: 17.2 x 11.9 x 1.7 inches
• Shipping Weight: 10.8 lbs