Lab Gruppen E20-4 2000 Watt Amplifier with 4 Flexible Output Channels for Installation Applications

The Lab.Gruppen E 20:4 is a highly recommended choice for system installers seeking a versatile and compact amplifier that offers both Hi-Z and Lo-Z capabilities. Designed for mixed A/V installation applications, this 1 RU, four-channel amplifier delivers a powerful 2000W output while maintaining minimal mains current draw, thanks to the implementation of IntelliDrive Energy Efficient Amplifier (IDEEA) technology.

In addition to the advanced IDEEA technology, the E 20:4 incorporates Lab.Gruppen's proprietary Rail Sensing Limiter (RSL) technology. This innovative feature significantly reduces signal clipping, ensuring consistently high-quality audio output. The amplifier is user-configurable to accommodate both Hi-Z (70V) and Lo-Z configurations. The RSL circuit monitors the rail voltage and optimizes the output of each channel to adapt to instantaneous load conditions. This allows for asymmetrical channel loading, resulting in enhanced performance and efficiency. The total available output power can be allocated among the channels as required by the specific application. This versatility enables users to drive a pair of small subwoofers using two channels while simultaneously powering multiple 70/100V ceiling loudspeakers using the remaining channels.

Lab Gruppen E20-4 Features:

• Four-Channel Amplifier: 4 x 500 W
• IntelliDrive: 70/100 V & 2, 4, 8, 16 Ohms
• Energy-Efficient Class-D Amplifier
• Asymmetric Channel Loading
• Comprehensive Circuit Protection
• Rail Sense Limiter (RSL)
• Includes Screw Terminal I/O Blocks
• Includes Power Cord
• Limited 5-Year Warranty

Lab Gruppen E20-4 Specifications:

• Amplifier:
  • Number of Channels: 4
  • Power Rating: 2 Ohms / 4 Ohms / 8 Ohms / 16 Ohms: 500 W, 70 V / 100 V: 500 W
  • Amplifier Class: Class-D
  • Load Impedance: / Voltage: 2 / 4 / 8 / 16 Ohms, 70 / 100 V
• Performance:
  • Protections: Reactive/Mismatched Load, Short Circuit, Thermal, Undervoltage
  • Frequency Response: 2 Hz to 40 kHz
  • Input Sensitivity: 1 dBu (at 2 Ohms)
  • 4 dBu: (at 4 Ohms)
  • 3 dBu: (at 8 Ohms)
  • 4 dBu: (at 70 V)
  • 4 dBu: (at 100 V)
  • Input Impedance: 20 Kilohms
  • Max Gain: 38.2 dB (at 70 V), 31.2 dB (Low-Z)
  • SNR: > 106 dBA
  • THD: < 0.05% (1 kHz, 1 dB Below Clipping), < 0.1% ((20 Hz - 20 kHz at 1 W into 8 Ohms))
  • Crosstalk: > 70 dB
  • CMRR: 50 dB
  • Signal Processing;
  • Crossover: Yes
  • Filters: High-Pass: 50 Hz
  • Limiting: Yes
• Connectivity:
  • AnalogAudio I/O: 4 Block 3-Pin Balanced Line Input, 4 Block 2-Pin Speaker Output, 2 Block 2-Pin GPIO Input/Output
  • MobileApp Compatible: No, *As of January, 2023: Check with manufacturer for the most up-to-date compatibility
• Power:
  • AC Input Power: 100 to 240 VAC, 50 / 60 Hz
  • AC Power Connector: IEC 15 A / NEMA 5-15
  • Power Consumption: 2.5 W (Standby), 600 W (Typical)
• Physical:
  • Rackmount Size: 1 RU
  • Cooling: Fan (Variable Speed)
  • Certifications: ANSIS1.4 Type 2, CCC, CE, CSA, ENERGY STAR, ETL, PSE, UL, *as per Manufacturer
  • Dimensions: 19.0 x 1.8 x 16.4" / 482.6 x 45.7 x 416.6 mm
  • Weight: 17.4 lb / 7.9 kg