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Black rectangular active studio monitor with 5.25 inch woven composite woofer and 1 inch silk dome tweeter

Presonus

Presonus Eris Studio 5 5.25" 80W Active Studio Monitor, Black

SKU CH-PPFJ-5B2WF

A 5.25-inch bi-amplified studio monitor delivering 80W total power with a 48 Hz to 20 kHz frequency response and 120-degree horizontal dispersion

  • Weight13.84 pounds
  • Accurate mixing with 48 Hz – 20 kHz frequency response
  • Detailed highs from 1" silk dome tweeter and EBM waveguide
  • Tight bass via 5.25" woven composite woofer and 45W LF amp
  • Clean headroom from 80W bi-amplified power (45W LF, 35W HF)
  • Tailored room response with Acoustic Space and Low Cut controls

Eris Studio 5 active monitor

The Presonus Eris Studio 5 is a 5.25-inch two-way active studio monitor designed for home studios and small professional mix rooms. It uses a woven glass fibre composite woofer and a 1-inch silk dome tweeter driven by an 80W bi-amplified system. The elliptical boundary modeled waveguide provides a 120-degree horizontal dispersion for a wide sweet spot.

Sustained output and thermal headroom

The bi-amplified design splits 45W to the low-frequency driver and 35W to the high-frequency driver, delivering 80W total power for continuous monitoring sessions. This architecture maintains stable output levels during extended mixing without the compression typical of single-amp designs. Acoustic Space settings (Flat, -2dB, -4dB) and Low Cut options (Flat, 80Hz, 100Hz) let you compensate for room boundary effects that become more pronounced at higher sustained volumes.

Frequency response and placement limits

The monitor reproduces 48 Hz to 20 kHz, so sub-bass content below 48 Hz requires a separate subwoofer for full-range monitoring. Vertical dispersion is narrowed to reduce desk reflections, but this also means the listening height must stay aligned with the tweeter axis for accurate high-frequency balance. At 13.84 pounds each, the cabinets need sturdy stands or a meter bridge rated for the weight.

Highlights

  • Accurate mixing with 48 Hz – 20 kHz frequency response
  • Detailed highs from 1" silk dome tweeter and EBM waveguide
  • Tight bass via 5.25" woven composite woofer and 45W LF amp
  • Clean headroom from 80W bi-amplified power (45W LF, 35W HF)
  • Tailored room response with Acoustic Space and Low Cut controls

Specifications

BrandPreSonus
Weight13.84 pounds

Questions about this item

How much heat or fan noise should I expect from the 80W bi-amplified Eris Studio 5 during long sessions?

The monitor uses a 45W low-frequency and 35W high-frequency amplifier with no fan mentioned, so it runs passively and stays cool during extended use.

Which cables and audio interface connections do I need to hook up the Eris Studio 5?

The unit provides balanced TRS and XLR inputs plus an unbalanced RCA input, so you need matching cables from your interface or mixer outputs.

Will the Eris Studio 5's 120-degree horizontal dispersion work with the older near-field monitors I already own?

Its wide 120-degree horizontal spread and narrow vertical pattern create a large sweet spot that complements tighter-dispersion legacy monitors in a mixed setup.

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