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PreSonus ERIS-PRO-4 4-Inch Active Coaxial 2-Way Studio Monitor

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Description

The Eris Pro 4 also delivers finely detailed transient response, and stunning dynamics that create a natural and less-fatiguing 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. Read more

Features

  • 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
  • 80W, Class AB amplification
  • 50 Hz to 20 kHz frequency response
  • 99 dB Peak SPL (@ 1 meter)
  • Acoustic Tuning Controls
  • Wall and ceiling mountable

Business Financing Options Avaiable

The Eris Pro 4 also delivers finely detailed transient response, and stunning dynamics that create a natural and less-fatiguing 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. Read more

Features

  • 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
  • 80W, Class AB amplification
  • 50 Hz to 20 kHz frequency response
  • 99 dB Peak SPL (@ 1 meter)
  • Acoustic Tuning Controls
  • Wall and ceiling mountable

About the PreSonus ERIS-PRO-4 4-Inch Active Coaxial 2-Way Studio Monitor

The PreSonus Eris Pro 4 is a high-performance, active studio monitor that utilizes a coaxial design to provide a single-point source for professional-grade audio monitoring. By placing the 1-inch silk-dome tweeter directly in the center of the 4-inch woven-composite low-frequency driver, the Eris Pro 4 achieves superior phase alignment and a symmetrical dispersion pattern. This results in a remarkably wide "sweet spot" and precise stereo imaging, making it an excellent choice for compact home studios, broadcast booths, and immersive audio setups like Dolby Atmos where space and acoustic accuracy are paramount.

Powered by 80W of Class AB amplification, the Eris Pro 4 delivers a surprisingly punchy and detailed sound across a 50 Hz to 20 kHz frequency range. The rear panel is equipped with comprehensive Acoustic Tuning controls, including a three-position Acoustic Space switch to compensate for wall placement and dedicated High and Mid-frequency adjustments to tailor the sound to your specific room environment. With balanced XLR and 1/4-inch TRS inputs alongside unbalanced RCA connections, this monitor integrates seamlessly into any professional signal chain, offering a flat, transparent response for critical mixing and mastering tasks.

Key Features

  • 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
  • 80W, Class AB amplification
  • 50 Hz to 20 kHz frequency response
  • 99 dB Peak SPL (@ 1 meter)
  • Acoustic Tuning Controls
  • Wall and ceiling mountable

PreSonus ERIS-PRO-4 4-Inch Active Coaxial 2-Way Studio Monitor Specs

Key Features

  • 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
  • 80W, Class AB amplification
  • 50 Hz to 20 kHz frequency response
  • 99 dB Peak SPL (@ 1 meter)
  • Acoustic Tuning Controls
  • Wall and ceiling mountable

FAQs about PreSonus ERIS-PRO-4 4-Inch Active Coaxial 2-Way Studio Monitor

What is the benefit of the PreSonus Eris Pro 4's coaxial design?

The coaxial configuration places the 1-inch silk dome tweeter directly in the center of the 4.5-inch composite woofer. This single-point-source design provides time alignment across frequencies, delivering pinpoint stereo imaging, exceptional clarity, and a wide sweet spot.

Are these monitors sold individually or as a pair?

The Eris Pro 4 studio monitors are sold individually (as single units). If you need a standard stereo setup, you will need to purchase a quantity of two.

What power output does the internal amplifier deliver?

It features a bi-amped Class-AB design supplying 80 watts of total power. This breaks down to 45 watts dedicated to the low-frequency driver and 35 watts to the high-frequency driver for maximum efficiency and dynamic headroom.

What input options are available on the back panel?

The monitor offers balanced XLR, balanced 1/4-inch TRS, and unbalanced RCA inputs. This wide variety of input options makes it easy to connect to audio interfaces, mixing consoles, or consumer audio gear.

Can I adjust the monitor settings for room acoustics or desktop placement?

Yes, the rear panel includes Acoustic Space switches (0, -2 dB, -4 dB) to control bass buildup when placed near walls, along with High and Mid Acoustic Tuning controls (±6 dB). It also includes a selectable Low Cut filter (Flat, 80 Hz, 100 Hz) for integrating a subwoofer.

Is the Eris Pro 4 suitable for ceiling or wall mounting in immersive audio setups?

Yes, it features integrated wall and ceiling mount provisions on the cabinet. Its compact footprint and consistent dispersion make it an ideal choice for Dolby Atmos and multi-channel surround setups.

How low does the bass response go on this 4-inch monitor?

Despite its compact enclosure, the custom-designed cabinet and port tuning allow the Eris Pro 4 to deliver an impressive frequency response down to 50 Hz.

What protective features are built into the monitor?


The Eris Pro 4 includes protection against RF interference, output current limiting, over-temperature protection, and turn-on/off transient protection. It also features a subsonic filter to prevent extreme, inaudible low frequencies from damaging the driver.

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