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Presonus Eris E4.5 Active Studio Monitors, Pair

£ 199.00

PreSonus's Eris E 4.5 Studio Monitors offer fantastic, high quality sound thanks to the low frequency Kevlar transducers, low mass silk dome tweeters, professional acoustic adjustment controls and responsive class AB amplification. On top of this the Eris E 4.5s are made with top rate components and constructed to a high standard to give a professional finish to these superb monitors.

The Eris E 4.5 by PreSonus allows you to adapt to any studio environment whether it's your own home studio or you simply want to take your monitors anywhere you go. This is made possible by the fact these are both lightweight and compact making them simple to transport. As well as this they feature acoustic space control that allows you to customise the sound you're getting to the genre and room type.

The Eris E 4.5 feature 3 different audio inputs allowing you to feed audio to your monitors from an interface, mixer, media player, or almost any other line level source. All Eris monitors also feature extensive acoustic tuning controls allowing remarkable accuracy for a speaker at this price point.


Components and construction

  • 4.5-inch 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 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 watt 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 ¼-inch TRS and unbalanced 1/8-inch TS, RCA inputs
  • 1/8-inch stereo headphone output



  • 1- Stereo 1/8"
  • 2- Balanced ¼ " TRS
  • 2- Unbalanced RCA


  • Frequency Response: 70 Hz - 20 kHz
  • Crossover Frequency: 2.8 kHz
  • LF Amplifier Power: 25W/speaker
  • HF Amplifier Power: (not biamped)
  • Peak SPL (@ 1 meter): 100 dB
  • LF Driver: 4.5" Kevlar
  • HF Driver: 1" silk dome
  • Input Impedance: 10 kOhms

User Controls

  • Volume Range: A-type taper
  • MF Control: Variable (-6 to +6 dB)
  • HF Control: Variable (-6 to +6 dB)
  • Low Cut: Flat, 80 Hz, 100 Hz
  • Acoustic Space: Flat, -2 dB, -4 dB


  • RF interference
  • Output-current limiting
  • Over-temperature
  • Turn-on/off transient
  • Subsonic filter
  • External mains fuse


  • 100-120V 50/60 Hz or 220-240V 50/60 Hz


  • Vinyl-laminated, medium-density fiberboard


  • Width: 6.42" (163 mm)
  • Depth: 7.09" (180 mm)
  • Height: 9.45" (241 mm)
  • Weight: 13 lb. (5.9 kg)

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