Presonus Eris Studio 4 Active Studio Monitor 1 pc

PreSonus Eris Studio 4 — Honest Reference Sound for Compact Studios

The PreSonus Eris Studio 4 is a 4.5-inch 2-way active studio monitor engineered for musicians, producers, and creators who demand accurate, full-range sound in a small footprint. What sets this model apart is its crystal-clear low end, refined highs, and precise stereo imaging—achieved through advanced drivers paired with the EBM waveguide. Designed to excel in home studios and mix rooms, this monitor combines sonic accuracy with intuitive controls and flexible inputs, raising the bar for compact near-field monitoring.

What Makes the Eris Studio 4 Unique

Central to the YRS-23's design is the EBM (Elliptical Boundary Modeled) waveguide, shaped for a 120-degree horizontal spread and focused vertical pattern. This approach reduces desk reflections and expands the sweet spot, so listeners enjoy consistent mixes—even off-center. The front-ported enclosure with internal bracing supports deeper bass, while the 1-inch silk-dome tweeter brings out delicate transient details often lost in recordings.

Driver Configuration and Frequency Response

A 4.5-inch woven-composite woofer powers the model's tight, extended bass, reaching down to 55 Hz in conjunction with the front port—impressive for its size—and pairs with a 1-inch silk-dome tweeter for fatigue-free highs up to 20 kHz. This results in a balanced, articulate sound across the entire spectrum.

• Woofer: 4.5-inch woven composite — delivers controlled low end with depth
• Tweeter: 1-inch (25 mm) silk dome — handles transients naturally while minimizing fatigue
• Full-range coverage (55 Hz – 20 kHz) lets you tackle mixing, editing, and critical listening tasks with confidence.

Amplification and Output

With 50 watts of Class AB bi-amplification, this model delivers up to 99 dB SPL (peak, at 1 meter) while maintaining tonal integrity and clarity. Dedicated amps for woofer and tweeter ensure both receive clean, optimized power, so the monitor remains composed even during demanding sessions.

• Amplifier Type: Class AB bi-amplified, 50 W total — independent amps for low and high frequencies
• Maximum SPL: 99 dB (peak, @ 1 m) — comfortably fills small to medium rooms
• Advanced protection circuitry keeps the drivers and amplifiers safe during intense use.

Connectivity and Room Adaptation

This instrument offers the flexibility modern studios expect. Balanced XLR and 1/4-inch TRS inputs connect easily to interfaces and mixers, while an unbalanced RCA input handles consumer sources. Rear-panel acoustic controls—including HF and Midrange trim, Highpass filter, and a three-position Acoustic Space switch—allow the user to compensate for placement and tailor the response to any room or subwoofer pairing.

• Inputs: Balanced XLR, balanced 6.3 mm TRS, unbalanced RCA — supports a range of sources
• Acoustic Tuning: HF trim, Midrange trim, Highpass filter, Acoustic Space switch (flat / -2 dB / -4 dB) — matches the monitor’s output to your environment
• Cabinet: Front-ported with internal bracing — engineered to reduce port noise and tighten bass

Who Should Choose the Eris Studio 4

This model is ideal for home-studio producers, bedroom songwriters, podcasters, and small-project mix engineers who need reference-grade monitoring with a compact footprint. Studios benefit from the 4.5-inch woofer’s 55 Hz reach, the wide EBM waveguide sweet spot, and rear-panel tuning that adapts to non-ideal spaces. Pair it with a PreSonus Eris Sub 8BT subwoofer to extend the low end for film, gaming, or immersive audio projects.

PreSonus — Three Decades of Studio Tools

For nearly thirty years, PreSonus has created innovative audio solutions delivering professional sound and features at an accessible price. The Eris Studio series evolves that legacy, replacing the Eris XT line with deeper bass and more detailed transient response. Professionals worldwide rely on PreSonus monitors for transparent sound, whether in the studio, on stage, or at home.