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Components and construction

  • 4.5-inch (E 4.5) / 5.25-inch (E5) / 8-inch (E8) Kevlar® low-frequency transducer
  • 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
  • Front-firing acoustic port for superior bass-frequency reproduction
  • Optimized, resonance-suppressing internal bracing
  • 100 dB (E4.5) / 102 dB (E5) /105 dB (E8) maximum continuous SPL


​User controls

  • HF Driver Adjust (±6 dB, continuously variable)
  • Midrange Driver Adjust (±6 dB, continuously variable)
  • Acoustic Space settings (flat, -2, -4 dB) for accurate mixing contour
  • Highpass filter (Off, 80 Hz, 100 Hz)


Power and safety

  • 50 (E4.5) / 70 (E5) /130 watt (E8), Class AB biamplification
  • RF interference, output current limiting, over-temperature, transient, and subsonic protection
  • Amplifier “soft start” feature eliminates popping on power-up
  • Internal power supply with IEC connector
  • Power switch with on/off LED


Inputs and outputs

  • Balanced XLR/¼-inch and unbalanced RCA inputs (E5/E8)
  • Balanced ¼-inch TRS and unbalanced 1/8-inch TS, RCA inputs (E4.5)
  • 1/8-inch stereo headphone output (E4.5)

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