PreSonus Eris Pro 4 Active Coaxial Studio Monitor 4″ – Single

SKU: PRE-ERIS-PRO4 Categories: , ,

Whether you’re making beats in your bedroom or mixing immersive audio in a commercial studio, Eris Pro 4 will help you hear every nuance and achieve the pro-quality sound you deserve.

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PreSonus Eris Pro 4 Coaxial 4″ Active Studio Monitor – Single

The PreSonus Eris Pro 4 reference monitors employ a single point-source coaxial design for clear and accurate sound reproduction. This design provides superior phase alignment between components and delivers a wide sweet spot. Therefore, you get precise stereo imaging, and symmetrical dispersion patterns. This creates a unique advantage for Dolby Atmos immersive rooms as well as stereo mix environments.

Superior Sound

The Eris Pro 4 also delivers finely detailed transient response. Furthermore, stunning dynamics create a natural and less fatiguing listening experience. A 1-inch ultra-low mass, silk-dome tweeter ensures snappy, accurate transient reproduction, while a 4.5-inch woven-composite woofer offers tight, clear bass, with plenty of punch and no flab. A ported enclosure and 80 Watts of power allows the Eris Pro 4 to reach down to 50 Hz.

Speaker Tuning and Wall/Ceiling-Mounts

Acoustic tuning controls let you configure the Eris Pro 4 for your room and three-way Acoustic Space tuning can compensate for the effects of speaker placement against a wall or in a corner.

Flexible input options let you connect almost any line-level source, from mixers to audio interfaces and more. You’ll have no problem hooking your Eris speakers up to virtually anything. Lastly, provisions for wall and ceiling mounts make it easy to integrate Eris Pro 4 monitors into any stereo or multi-channel system.

Coaxial Speaker Design

Coaxial speakers employ a HF driver placed in the middle of the LF driver for symmetrical response horizontally and vertically, increasing the sweet spot, clarity and imaging.

Accurate Transient Reproduction

Consonant sounds in speech, percussion, and attack and decay of musical instruments are all transient signals. When reproduced accurately, the result is sonic transparency, definition, and intelligibility. With their excellent transient reproduction, Coaxial speakers minimize distortion and produce clean, clear, consistent audio at any SPL.

Eris Pro 4 Features:

  • Single point-source coaxial design.
  • Superior stereo imaging and phase coherence.
  • Lifelike, three-dimensional soundstage.
  • Wall- and ceiling-mountable.


  • Single point-source coaxial design for wider sweet spot and better phase alignment
  • 4.5-inch woven composite low-frequency driver
  • 1-inch, ultra-low mass, silk-dome, high frequency driver
  • Crossover Frequency, 3.4 kHz
  • 80W, Class AB amplification
  • 50 Hz to 20 kHz frequency response
  • 99 dB Peak SPL (@ 1 meter)
  • Acoustic Tuning Controls:
  • Acoustic Space (flat, -2, -4 dB)
  • High Frequency (±6 dB, center 10 kHz, continuously variable)
  • Mid Frequency (±6 dB, center 1 kHz, continuously variable)
  • Low Cut (Flat, 80 Hz, 100 Hz @ -12 dB / octave)
  • XLR and 1/4-inch TRS balanced rear inputs
  • RCA unbalanced rear-panel input
  • Provisions for wall and ceiling mounting (mounts sold separately)
  • Protection:
  • RF interference
  • Output-current limiting
  • Over-temperature
  • Turn-on/off transient
  • Subsonic filter
  • Power Saver mode (engages after 40 minutes)

Measurements Width: 7.5″ (19 cm)
Height: 9″ (22.9 cm)
Depth: 8.6″ (21.8 cm)
Weight: 9.5 lbs. (4.3 kg)

Electronics Voltage Requirements: 100-240 VAC, 50-60 Hz
Connection Type: IEC

Hardware Cabinet Material: Vinyl-Laminated, Medium-Density Fiberboard

Monitors Protections: RF Interference, Output-Current Limiting, Over-Temperature, Turn-On/Off Transient, Subsonic Filter
Audio Switches: Acoustic Space (Flat, -2 dB, -4 dB), Low Cut (Flat, 80 Hz, 100 Hz @ -12 dB / octave)
Audio Controls: Volume, High Frequency (±6 dB, center 10 kHz, continuously variable), Mid Frequency (±6 dB, center 1 kHz, continuously variable)
Peak SPL: 99 dB (@ 1 meter)
Crossover Frequency: 3.4 kHz
Monitor Inputs: 1 Balanced XLR, 1 Balanced ¼” TRS, 1 Unbalanced RCA
HF Transducers: 1” Ultra Low Mass, Silk Dome Tweeter (Coaxial)
LF Transducers: 4.5″ Woven Glass Fiber Composite (Coaxial)
Frequency Response: 50 Hz – 20 kHz
Input Impedance: 10 kΩ
Monitor Amplifier Power: 80W Bi-Amped

Specifications Input Impedance: 10 kΩ

For more information, please visit the manufacturer's website.