PreSonus® Eris® E3.5 Studio Monitor

Model #: 2777500101
PreSonus® Eris® E3.5 Studio Monitor view 1.0

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PreSonus® Eris-series studio monitors are used worldwide by studio engineers who need to hear every detail of their recordings. Ideal for gaming and home video production, the Eris E3.5 delivers studio-quality sound yet is compact enough to fit almost anywhere. You get the flexibility of rear-panel, ¼-inch TRS and RCA inputs; front-panel 1/8” stereo, unbalanced line inputs for use with mobile audio devices; a convenient front-panel volume control; and an integrated headphone amplifier. Fine-adjust the speaker’s response with low- and high-frequency tuning controls. It may be small but the E3.5 is loud, as well as clear, thanks to a 25W/side Class AB power amp.


  • 5-inch woven composite low-frequency transducer
  • 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
  • RCA and ¼-inch balanced​ TRS rear-panel inputs
  • Front-panel 1/8-inch stereo Aux In for use with mobile audio devices
  • Integrated headphone amplifier with front-panel stereo 1/8-inch jack
  • Includes Studio Magic, a suite of over $1000 USD worth of music production software
Versatile connectivity.

PreSonus® Eris® E3.5 media reference monitors connect to virtually any line-level audio source, including mobile devices, thanks to rear-panel ¼-inch TRS and RCA inputs and a front-panel ⅛-inch stereo line input. You also get a convenient (and loud!) front-panel, ⅛-inch, stereo headphone jack; connecting headphones automatically mutes the speakers.

World-class recording software included.

Eris® E3.5 media reference monitors come with a special edition of PreSonus® Studio One® Prime recording and production software, with the entire Studio Magic software suite enabled. Studio Magic includes over $1,000 USD worth of music software including plug-ins, loops, virtual instruments, effects and tutorials.

  • Voltage
  • Wattage
    25 Watts (Each Speaker)
  • Cabinet Material
    Vinyl-Laminated, Medium-Density Fiberboard
  • Connection Type
  • Protections
    RF interference
    Output-current limiting
    Turn-on/off transient
    Subsonic filter
    External mains fuse
  • Audio Controls
    Volume Range: A-type TaperMF Control: Variable (-6 to +6 dB, center 100 Hz)HF Control: Variable (-6 to +6 dB, center 10 kHz)
  • Peak SPL
    100 dB
  • Crossover Frequency
    2.8 kHz
  • Monitor Inputs
    1 - Stereo 1/8" (3.5 mm), 2 - Balanced 1/4" (6.35 mm) TRS, 2 - Unbalanced RCA
  • HF Transducers
    1” Silk Dome Tweeter
  • LF Transducers
    3.5" (8.89 cm)
  • Frequency Response
    80 Hz - 20 kHz
  • Input Impedance
    10 kΩ
  • Monitor Amplifier Power
    25 Watts (Each Speaker)

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