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Lab Gruppen

Lab Gruppen C 20:8X 2,000 Watt 8-Channel Amplifier with NomadLink Network Monitoring and Dedicated Control forInstall Applications

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The C 20:8X is the Most Powerful Eight-Channel Amplifier in the C Series Family.

The C 20:8X is the most powerful eight-channel amplifier in the C Series family, delivering an impressive 8x 250 W at 4 ohms, 8 ohms, 16 ohms or 70 Vrms; 500 W at 100 Vrms is available in bridge mode.

The C 20:8X is one of four C 20:8X models in the C Series, each uniquely suited for a range of installed applications with relatively lower power output requirements. C 20:8X models share most features of the original (higher power) C Series models, and they share the same compact, lightweight 2U chassis. However, the C 20:8X models are offered in both four- and eight-channel versions, offering even greater channel density and installation flexibility. Also, because the unique benefits of Class TD are more applicable at higher power levels, the C 20:8X models employ a cost-efficient proprietary Class D output design. Other features unique to C 20:8X models include a universal power supply, selectable 35 Hz high-pass filter, and built-in GPIO control facilities.

View Product Features

  • 2,000 Watt, 8-channel amplifier with up to 250 Watts output per channel and NomadLink network for monitoring and control
  • Selectable gain plus scalable Voltage Peak Limiter (VPL) and bridge-mode operation allow custom configuration for any application
  • 8x 250 Watts into 4 -16 Ohms low impedance or 70 V constant voltage
    Proven and reliable Class-D output stage delivers sonic purity and efficiency
  • Power Factor Correction (PFC) and switch mode power supply reduces running costs and minimizes environmental impact
  • Intuitive DeviceControl software monitors and controls key functions via the NomadLink network
  • Comprehensive protection scheme including current, voltage, DC, temperature, short circuit and open load warnings
  • Fixed 35 Hz high pass filter, switchable per channel for sub sonic speaker protection
  • 8x balanced analog audio inputs on 3-pin Phoenix connectors
  • 8x barrier strip 2-pole screw terminal output connectors
  • Removable dust filter grille for increased air circulation
    Compact and durable 2U rackmount chassis saves space in install applications
  • GPIO connectors with power control and indication for 3rd party system integration
    Universal power supply served through an IEC mains connector
  • Designed and engineered in Sweden
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About the Lab Gruppen C 20:8X 2,000 Watt 8-Channel Amplifier with NomadLink Network Monitoring and Dedicated Control forInstall Applications

The Lab Gruppen C 20:8X is a high-density, eight-channel power amplifier engineered for sophisticated multi-zone audio installations where granular control, substantial power, and network integration are essential. Delivering a total of 2000 watts across its eight independently controlled channels, this amplifier provides the flexibility to drive a diverse array of loudspeaker loads—from low-impedance monitors and main arrays to 70V/100V distributed speaker lines—all from a single 2U chassis. This capability makes it an ideal cornerstone for complex audio infrastructures in large venues such as performing arts centers, convention halls, transportation terminals, and houses of worship, where numerous distinct zones require individual amplification and management. The amplifier utilizes Lab Gruppen's efficient and reliable Class D technology, ensuring high power output with minimal heat dissipation and energy consumption, which is critical for systems operating continuously.

A defining feature of the C 20:8X is its integrated NomadLink network monitoring and control system, which provides comprehensive remote management capabilities over a standard Ethernet connection. This system allows installers and facility technicians to monitor real-time performance data for each channel, including output level, signal clipping, thermal status, and load impedance, from a central computer. Beyond monitoring, it enables remote adjustment of key parameters such as individual channel gain, mute status, and limiter thresholds, facilitating swift troubleshooting, system optimization, and preventative maintenance without requiring physical access to the amplifier rack. This level of networked intelligence is crucial for maintaining optimal performance and uptime in large-scale, inaccessible, or widely distributed installations.

Designed for unwavering reliability in 24/7 operation, the amplifier is housed in a robust steel chassis with a temperature-controlled forced-air cooling system that adjusts fan speed based on thermal load, ensuring quiet and efficient operation. It is equipped with extensive protection circuitry against common faults, including short circuits, open circuits, DC offset, and overheating, safeguarding both the amplifier and the connected loudspeakers. The Lab Gruppen C 20:8X represents a powerful convergence of high-channel-count amplification and advanced network control, offering system integrators a scalable, manageable, and efficient solution for delivering clean, consistent audio across numerous independent zones in the most demanding professional environments.

Key Features

  • 2,000 Watt, 8-channel amplifier with up to 250 Watts output per channel and NomadLink network for monitoring and control
  • Selectable gain plus scalable Voltage Peak Limiter (VPL) and bridge-mode operation allow custom configuration for any application
  • 8x 250 Watts into 4 -16 Ohms low impedance or 70 V constant voltage
    Proven and reliable Class-D output stage delivers sonic purity and efficiency
  • Power Factor Correction (PFC) and switch mode power supply reduces running costs and minimizes environmental impact
  • Intuitive DeviceControl software monitors and controls key functions via the NomadLink network
  • Comprehensive protection scheme including current, voltage, DC, temperature, short circuit and open load warnings
  • Fixed 35 Hz high pass filter, switchable per channel for sub sonic speaker protection
  • 8x balanced analog audio inputs on 3-pin Phoenix connectors
  • 8x barrier strip 2-pole screw terminal output connectors
  • Removable dust filter grille for increased air circulation
    Compact and durable 2U rackmount chassis saves space in install applications
  • GPIO connectors with power control and indication for 3rd party system integration
    Universal power supply served through an IEC mains connector
  • Designed and engineered in Sweden

Lab Gruppen C 20:8X 2,000 Watt 8-Channel Amplifier with NomadLink Network Monitoring and Dedicated Control forInstall Applications Specs

Amplifier Output
Total Output Power
2000W
Output Channels
8
Power per Ch (4Ω)
250W
Power per Ch (8Ω)
140W
THD+N
<0.1%
Channel Management
Load Compatibility
4Ω, 8Ω, 70V, 100V
Gain Control
Per Channel
Mute Control
Per Channel
Network & Monitoring
Control Protocol
NomadLink
Monitoring Parameters
Level, Clip, Temp, Impedance
Remote Interface
10/100 Ethernet
Electrical Specifications
Mains Voltage
100-240V AC, 50/60 Hz
Efficiency
>85%
Input Sensitivity
0.775V, 1.0V, 1.4V
Physical Design
Rack Units
2U
Cooling
Variable Speed Fan
Output Connectors
Euroblock (Barrier Strip)
Dimensions
483 x 88 x 400 mm
Protection & Compliance
Protection Features
DC, Short, Open, Thermal, HF
Safety Standards
UL, CE, RoHS
Operating Temperature
0°C to 40°C

Key Features

  • 2,000 Watt, 8-channel amplifier with up to 250 Watts output per channel and NomadLink network for monitoring and control
  • Selectable gain plus scalable Voltage Peak Limiter (VPL) and bridge-mode operation allow custom configuration for any application
  • 8x 250 Watts into 4 -16 Ohms low impedance or 70 V constant voltage
    Proven and reliable Class-D output stage delivers sonic purity and efficiency
  • Power Factor Correction (PFC) and switch mode power supply reduces running costs and minimizes environmental impact
  • Intuitive DeviceControl software monitors and controls key functions via the NomadLink network
  • Comprehensive protection scheme including current, voltage, DC, temperature, short circuit and open load warnings
  • Fixed 35 Hz high pass filter, switchable per channel for sub sonic speaker protection
  • 8x balanced analog audio inputs on 3-pin Phoenix connectors
  • 8x barrier strip 2-pole screw terminal output connectors
  • Removable dust filter grille for increased air circulation
    Compact and durable 2U rackmount chassis saves space in install applications
  • GPIO connectors with power control and indication for 3rd party system integration
    Universal power supply served through an IEC mains connector
  • Designed and engineered in Sweden
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