Presonus Eris E4.5

Presonus Eris E4.5

Presonus AudioBox iTwo Studio

Presonus AudioBox iTwo Studio

Presonus Eris E5

Presonus Eris E5

Presonus Eris E4.5

EGP 17,700.00
4.5 Inch Kevlar Low-Frequency transducer, Front-firing acoustic port for superior bass-frequency reproduction
Availability: In stock
Only 1 left

Nothing But the Truth.

When you’re serious about creating music, you need monitor speakers that will reveal all of the flaws in your tracks and mixes. Eris professional studio monitors deliver the truth, thanks to very accurate response, tight bass, and clear upper end.

You’re in Control!

It’s easy to customize Eris’ sound for your room and type of music.

The Three Bears.

Once upon a time there were three Cajun bears who lived in a home studio in a Louisiana bayou. One was a little bear named Eris E4.5; one was a middle-sized bear named Eris E5, and the other was a big bear named Eris E8. Bear with us and…  

Making Connections.

Eris monitors give you three different types of inputs so you can use them with a wide variety of audio sources.


Components and construction

  • 4.5-inch (E 4.5) Kevlar® low-frequency transducer
  • 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
  • Front-firing acoustic port for superior bass-frequency reproduction
  • Optimized, resonance-suppressing internal bracing
  • 100 dB (E4.5) / 102 dB (E5) /105 dB (E8) maximum continuous SPL

User controls

  • HF Driver Adjust (±6 dB, continuously variable)
  • Midrange Driver Adjust (±6 dB, continuously variable)
  • Acoustic Space settings (flat, -2, -4 dB) for accurate mixing contour
  • Highpass filter (Off, 80 Hz, 100 Hz)

Power and safety

  • 50 (E4.5) / 70 (E5) /130 watt (E8), 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 and unbalanced 1/8-inch TS, RCA inputs (E4.5)
  • 1/8-inch stereo headphone output (E4.5)


More Information
Speaker LF Driver Size4.5" Kevlar®
Speaker HF Driver Size1” silk dome
Impedance10 kΩ
Maximum Peak SPL100 dB @1Meter
Frequency Response70 Hz - 20 kHz
Crossover Frequency2.8 kHz
  • Stereo 1/8"
  • Balanced ¼” TRS
  • Unbalanced RCA
Volume Range A-type taper
MF Control Variable (-6 to +6 dB)
HF Control Variable (-6 to +6 dB)
Low Cut Flat, 80 Hz, 100 Hz
Acoustic Space

Flat, -2 dB, -4 dB

LF Driver Power Amp25W/speaker
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