Presonus Eris Studio 4 Active Studio Monitor 1 pc

PreSonus Eris Studio 4 — Compact Active Studio Monitor for Honest Mixing

The PreSonus Eris Studio 4 is a 4.5-inch two-way active studio monitor crafted for accurate mixing in home studios and small project rooms. Representing the third generation, this model replaces the Eris XT series, delivering tighter bass and improved transient detail. With a frequency range spanning 55 Hz to 20 kHz, it fits comfortably on any desk and produces low frequencies without the need for a subwoofer.

EBM Waveguide and Acoustic Tuning

What sets this monitor apart is its custom EBM (Elliptical Boundary Modeled) waveguide, offering 120° horizontal and 60° vertical dispersion. Engineers enjoy a wider sweet spot that maintains stereo imaging even when moving around the mix position, while the focused vertical field reduces reflections from nearby surfaces. Rear-panel acoustic tuning controls help optimize performance whether placed against a wall, in a corner, or freestanding.

Driver Configuration and Amplification

Dedicated amplification for each driver ensures clean audio paths. The Eris Studio 4 employs a 50W Class AB biamped architecture, supplying 25W per driver and achieving a peak SPL of 99 dB at 1 meter.

• LF Driver: 4.5-inch woven-composite woofer — delivers tight, punchy bass with precise control.
• Mix engineers appreciate how the 1-inch silk-dome tweeter reproduces crisp transients for clear high-frequency detail.
• Total Power: 50 W Class AB biamplification

Frequency Range and SPL

Accurate frequency response is vital for reliable monitoring. The Eris Studio 4 reaches down to 55 Hz without a subwoofer and extends to 20 kHz, reproducing everything from deep kicks to airy cymbals.

• Frequency Range: 55 Hz – 20 kHz — suitable for most mixing needs without external subs.
• Peak SPL: 99 dB @ 1 meter — delivers ample volume for nearfield use.
• Crossover Frequency: 2.7 kHz

Acoustic Tuning and Inputs

Room acoustics play a crucial role in monitoring accuracy. This model features a rear-panel 2-band EQ (±6 dB at 10 kHz and 1 kHz) for adjusting to bright or boxy environments, and the Acoustic Space switch helps manage low-frequency buildup near boundaries.

• EQ: 2-band (HF ±6 dB @ 10 kHz, Mid ±6 dB @ 1 kHz) — continuously variable for precise room compensation.
• With balanced XLR, 1/4-inch TRS, and unbalanced RCA, connecting the monitor to any studio setup is easy.
• Highpass Filter: Off / 80 Hz / 100 Hz — allows smooth integration with a subwoofer.

Ideal for Home Studios and Content Creators

This monitor is especially popular with home studio musicians, bedroom producers, podcasters, and content creators seeking accuracy in tight spaces. Its compact size fits small desks, and the acoustic tuning adapts to real-world room challenges. Beginners can trust the honest sound, while professionals rely on the broad sweet spot for detailed mixing decisions.

PreSonus — Three Decades of Studio Monitoring Expertise

Founded in 1995 by Jim Odom and Brian Smith in Baton Rouge, Louisiana, PreSonus first made waves with the DCP8 compressor/limiter/gate, later adding microphone preamps and audio interfaces that helped define the home recording revolution. The Eris Studio 4, now in its third generation, succeeds the Eris XT series and incorporates the advanced EBM waveguide for improved bass and imaging.