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Presonus Eris E4.5

Eris professional studio monitors deliver the truth, thanks to very accurate response, tight bass, and clear upper end.

Ultra-wide, detailed stereo soundstage.
The Eris® E44 delivers an expanded and highly accurate frequency response and the widest stereo field available in its class. Its nested Midwoofer-Tweeter-Midwoofer (MTM, also known as "D'Appolito") configuration offers improved off-axis response and spatial resolution. The result is a more consistent listening experience, smoother frequency response, and an ultra-wide, detailed stereo soundstage.

Consistent listening.
Sound waves radiating from the two components in a conventional speaker design can interfere with one another, creating peaks at some frequencies and dips at others, and these will vary depending on where the listener is relative to the speaker. In an MTM/D'Appolito configuration, component interference and the sonic inconsistencies that go with it are minimized. This affords listeners an ultra-wide sweet spot and a more consistent listening experience on- and off-axis.

Transparent and cohesive sound.
The E44 utilizes a pair of 4.5-inch, custom-woven, Kevlar® low-frequency drivers. This provides a more constant dispersion pattern throughout the frequency range, resulting in less time-smeared audio and cleaner overall sound. The weave and nature of the dual Kevlar woofers also helps break up reflected energy, so fewer delayed reflections reach the listener's ear. In conjunction with the MTM/D'Appolito configuration, this helps create a transparent, cohesive sound.

Horizontal or vertical-it's up to you.
Many MTM configurations must be arrayed vertically, rather than horizontally, because vertical placement provides a clear, interference-free midrange and treble reproduction to either side, expanding the sweet spot. By bringing the midrange drivers closer together and raising the high-frequency driver, the E44 and E66 are able to perform optimally in both orientations. So, like all Eris speakers, the E44 and E66 let you position your speaker the way that works best for you.

You're in control.
Today's music producers deal with a wide variety of musical genres and often work in more than one location. That's why Eris-series studio monitors offer extensive acoustic tuning controls. The three-position Acoustic Space switch helps to compensate for the boundary bass boost that can occur when a monitor is placed in a corner or near a wall. High and Mid controls help to further mitigate room anomalies. A Low Cutoff filter makes it easy to integrate a Temblor® subwoofer into your monitor setup.

Accuracy defined.
Like all PreSonus® studio monitors, the Eris E44 offers consistent, accurate listening and extensive user controls. The ultra-wide stereo image afforded by its MTM/D'Appolito design makes it an ideal solution for anyone who requires best-in-class spatial resolution. Hear it at your favorite PreSonus dealer.
  • 5.25-inch (E5) / 8-inch (E8) Kevlar low-frequency transducer
  • 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
  • 70 (E5) /130 watt (E8), Class AB biamplification
  • Front-firing acoustic port for superior bass-frequency reproduction
  • Midrange (±6 dB, continuously variable), HF (±6 dB, continuously variable), High-Pass (Off, 80 Hz, 100 Hz) and Acoustic Space settings (flat, -2, -4 dB) for accurate mixing contour
  • RF interference, output current limiting, over-temperature, transient, and subsonic protection
  • Optimized, resonance-suppressing internal bracing
  • Balanced XLR/¼-inch and unbalanced RCA inputs
  • 102 dB (E5) /105 dB (E8) maximum continuous SPL
  • Specifications
  • Balanced XLR
  • Balanced ¼" TRS
  • Unbalanced RCA

  • Performance
  • Frequency Response: 55 Hz - 22 kHz
  • Crossover Frequency: 2.9 kHz
  • LF Amplifier Power: 50W
  • HF Amplifier Power: 35W
  • Peak SPL (@ 1 meter): 103 dB
  • LF Driver: Dual 4.5" Kevlar®
  • HF Driver: 1.25" silk dome
  • Input Impedance: 10 k

  • 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

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

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

  • Cabinet
  • Vinyl-laminated, medium-density fiberboard

  • Physical
  • Width: 14.3" (365 mm)
  • Depth: 7" (180 mm)
  • Height: 7" (180 mm)
  • Weight: 11.9 lbs (5.4 kg)
  • Reviews
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    Additional information
    For more information about the Eris E4.5, please visit the website of Presonus
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