Eris E44 Active Mtm Studio Monitor

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Eris E44
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Ultra-wide, detailed stereo soundstage.

The Eris® E44 studio monitor delivers an expanded, 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 Eris E44 studio monitor utilizes a pair of 4.5-inch, woven composite, 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 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 speaker 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, Eris E44 studio monitors are able to perform optimally in both orientations, letting 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 studio monitor 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.


Components and construction

Dual 4.5-inch, woven composite LF/midrange drivers produce dynamic, size-defying bass output

1.25-inch, silk-dome HF driver ensures smooth high-frequency performance that is never fatiguing to the ears

Balanced XLR, balanced ¼-inch TRS, and unbalanced RCA inputs provide flexibility for seamless integration into any environment

User controls

Acoustic tuning controls help to compensate for room anomalies, providing a consistent frequency response customized for your mix environment

Continuously variable HF and MF controls (-6 to +6 dB)

Low-cut filter (flat, 80 Hz, 100 Hz)

Acoustic Space settings (Flat, -2 dB, -4 dB) compensates for room placement

Power and safety

90W/140W Class A/B bi-amplification for an open, clear sound

RF interference, output-current limiting, over-temperature, and subsonic filter protection

Amplifier “soft start” feature eliminates popping on power-up

Internal power supply with IEC connector

Technical Specifications


1- Balanced XLR

1- Balanced TRS

1- Unbalanced RCA


Frequency Response        55Hz 22 kHz

Crossover Frequency       2.9kHz

LF Amplifier Power           50W

HF Amplifier Power          35W

Peak SPL (@ 1 meter)      103dB

LF Driver              Dual4.5 woven composite

HF Driver             1.25silk dome

Input Impedance              10k

User Controls

Volume Range    A-typetaper

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


Turn-on/off transient

Subsonic filter

External mains fuse


100-120V 50/60 Hz

220-240V 50/60 Hz


Vinyl-laminated, medium-density fiberboard


Width    14.3 (365 mm)

Depth    7 (180 mm)

Height   7 (180 mm)

Weight  11.9 lbs (5.4kg)

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