Presonus Eris 3.5 Desktop Active Monitors (Pair)

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is equipped with a one-inch silk-dome tweeter that produces a smooth and refined sound

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Manufacturer: Presonus

Category: Recording & Playback

*Note that the price is based on when we previously had this product in stock. When placing an order for an item temporarily out of stock, in most cases the price will remain the same, however occasionally the price may be subject to change. If this is the case then we'll tell you straight away and offer a refund.



Sound you can trust.

PreSonus Eris-series studio monitors are used worldwide by audio engineers who need to hear every detail of their recordings. Ideal for gaming and home video production, the Eris E3.5 employs the same technology as the larger Eris models to deliver studio-quality sound, with a smooth and accurate frequency response. Yet they’re compact enough to fit almost anywhere.

Every Eris-series studio monitor utilizes a custom-woven Kevlar® low-frequency driver. The weave and nature of the Eris E3.5’s 3.5-inch Kevlar woofer result in a more constant dispersion pattern throughout the frequency range, resulting in less time-smeared audio and cleaner overall sound.

The Eris E3.5 is equipped with a one-inch silk-dome tweeter that produces a smooth and refined sound, accurately reproducing transients and high frequencies. The tweeter is designed to radiate sound with a fairly wide dispersion pattern, creating a large optimal listening area or “sweet spot” so you can move around and still hear everything accurately.

Components and construction

  • 3.5-inch (89 mm) Kevlar® low-frequency transducer
  • 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
  • Rear-firing acoustic port for superior bass-frequency reproduction
  • Optimized, resonance-suppressing internal bracing

User controls

  • High- and low-frequency tuning controls
  • Front-panel Volume control for speakers and headphone amplifier

Power and safety

  • 50 watt (25W/side), Class AB biamplification
  • RF interference, output current limiting, over-temperature, transient, and subsonic protection
  • Amplifier “soft start” feature eliminates popping on power-up
  • Internal power supply with IEC connector
  • Power switch with on/off LED

Inputs and outputs

  • Balanced ¼-inch TRS, unbalanced 1/8-inch stereo, and RCA inputs
  • Integrated stereo headphone amplifier with front-panel 1/8-inch output


 1- Stereo 1/8"
 2- Balanced ¼” TRS
 2- Unbalanced RCA


Frequency Response80 Hz - 20 kHz
Crossover Frequency2.8 kHz
Amplifier Power25W/speaker
LF Driver3.5" Kevlar®
HF Driver1” silk dome
Peak SPL (@ 1 meter)100 dB
Input Impedance10 kΩ

User Controls

Volume RangeA-type taper
MF ControlVariable (-6 to +6 dB, center 100 Hz)
HF ControlVariable (-6 to +6 dB, center 10 kHz)


 RF interference
 Output-current limiting
 Turn-on/off transient
 Subsonic filter
 External mains fuse


 100-120V ~50/60 Hz or 220-240V ~50/60 Hz


 Vinyl-laminated, medium-density fiberboard


Width5.6" (141 mm)
Depth6.4" (162 mm)
Height8.3" (210 mm)
Weight (per pair)6.4 lb. (2.9 kg)



Specification No