8-Port 80W Amplifier with DriveCore™ Technology, 1U Fanless Design, Model CSMA 280, by JBL

6095

Product description

Amplifier Commercial 8-outlet 80W DriveCore™ 1U Fanless Design Model CSMA 280 by JBL


  • The JBL CSMA 280, part of the JBL Commercial Series Mixer/Amplifiers, is a comprehensive professional solution that combines a multi-channel mixer and a powerful amplifier in a single, compact device. It is specifically designed for commercial and industrial applications requiring the management of multiple audio sources with consistent performance and high energy efficiency.


  • Thanks to Crown DriveCore™ technology, the CSMA 280 amplifier delivers reliable audio performance with a compact and lightweight design, making it ideal for fixed installations in schools, hotels, restaurants, shopping centers, and places of worship.


Technical description:

  • The CSMA 280 provides eight mixer inputs with one 80-watt output channel, allowing for the integration of multiple audio sources such as microphones, media players, or internal broadcasting systems into one integrated system.
  • It supports operation on 4 or 8 ohms, as well as 70V and 100V distributed systems without the need for an external transformer, giving it high flexibility in the design of commercial audio systems.
  • It features a sleek and user-friendly front interface that includes:
  • Independent volume control for each channel
  • Master Volume
  • Independent control of Bass and Treble
  • power button
  • All control knobs are surrounded by light rings for easy operation in low-light environments.
  • It also supports Priority Muting and Configurable Output Routing, as well as remote volume control via the JBL CSR-V unit through an RJ45 port and a standard Ethernet cable.
  • It relies on a universal 100–240VAC (50/60Hz) power supply and comes with a 1U fanless design for completely silent operation.


Technical specifications:

  • Model:
  • JBL CSMA 280
  • Type:
  • Commercial mixer/amplifier
  • Number of entries:
  • 8 entrances
  • Number of outputs:
  • 1 Output Channel
  • ability:
  • 80 watts @ 4/8 ohms
  • Frequency response:
  • ±1 dB (@1W on 4 or 8 ohms)
  • Supported impedance:
  • 4 ohms
  • 8 ohms
  • 70V
  • 100V
  • Constant from 2 to 16 ohms
  • Allergies:
  • 1.4 Vrms
  • Input resistance:
  • Balanced: 20 kΩ
  • Unbalanced: 10 kΩ
  • Maximum input:
  • +20 dBu
  • Dimensions (height x width x depth):
  • 43.3 × 436.9 × 303.4 mm
  • Shipping weight:
  • 6.9 kg
  • Design:
  • 1U Full Rack
  • Fanless
  • Certificates:
  • Energy Star®
  • RoHS compliant
  • HARMAN GreenEdge™ Initiative
  • Accessories:
  • Rack Mounting Kit


Key features:

  • 8 Mixer Inputs
  • 80W output power
  • Supports 4/8 ohm and 70V/100V
  • Crown DriveCore™ technology
  • Compact 1U fanless design
  • Independent control of Bass and Treble
  • Light rings around the handles
  • Priority Muting
  • Configurable Output Routing
  • Supports CSR-V wall-mounted controller
  • Energy efficient and Energy Star certified


Product summary:

  • The JBL CSMA 280 amplifier provides a complete solution for managing and amplifying multiple audio sources in one reliable and easy-to-use device. It's ideal for small to medium-sized spaces requiring a high-performance, professional-grade audio system.


Additional features:

  • Energy efficiency up to 80% higher than traditional designs
  • Silent operation suitable for sensitive environments
  • Sleek and durable industrial design
  • Easy installation in equipment racks
  • Environmentally friendly manufacturing according to GreenEdge™
  • Perfect integration with JBL commercial systems and speakers


Applications used for the product:

  • Schools and Institutes
  • Restaurants and cafes
  • Stores and showrooms
  • Hospitals and clinics
  • Places of worship
  • Hotels
  • Background music systems
  • Public address systems
  • Offices and administrative spaces


Summary and final advice:

  • If you are looking for a mixer/amplifier that offers a large number of inputs with output power suitable for small and medium-sized commercial spaces, the JBL CSMA 280 amplifier is a well-balanced option that combines performance, efficiency, and ease of operation.


  • For optimal performance, prioritize inputs (advertising microphone, background music, media source) and use Priority Muting to ensure clear calls when needed. This device provides a professional and reliable solution for building a stable and scalable commercial audio system.


Mixer
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