The Eris Pro 4 reference monitors feature a coaxial design with a single point source for clear and accurate sound reproduction. This design offers superior phase alignment between components, a wide optimal listening point, precise stereo imaging, and symmetrical dispersion patterns—benefits ideal for immersive Dolby Atmos rooms as well as stereo mixing environments.

• Single-point source coaxial design for a broader sweet spot and improved phase alignment
• 4.5-inch composite fabric woofer
• 1-inch silk dome tweeter with ultra-low mass
• Crossover frequency, 3.4 kHz
• 80 W, class AB amplification
• Frequency response from 55 Hz to 20 kHz
• Maximum sound pressure level of 99 dB (at 1 meter)
• Acoustic tuning controls:
• Acoustic Space (flat, -2, -4 dB)
• High frequencies (±6 dB, centered at 10 kHz, continuously adjustable)
• Mid frequencies (±6 dB, centered at 1 kHz, continuously adjustable)
• High-pass filter (flat, 80 Hz, 100 Hz @ -12 dB/octave)
• Rear balanced XLR and 1/4" TRS inputs
• Unbalanced RCA rear input
• Wall and ceiling mounting provisions (mounts sold separately)
• RF interference protection
• Output current limiting
• Overheat protection
• Power on/off transient protection
• Subsonic filter
• Power-saving mode (activates after 40 minutes)

About Presonus

Founded in 1995, Presonus is committed to designing innovative audio products that deliver professional sound quality and features at an affordable price. Over 25 years, they have created tools for musicians, producers, and audio engineers. Today, Presonus is a leading designer and manufacturer of recording and live sound hardware and software.