Presonus Eris E5 BT is an active bookshelves that cost around 250 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a set of 36 horizontal and 36 vertical measurements .
  • -3dB (resp. -6db) point v.s. reference is at 58.2Hz (resp. 52.6Hz).
  • Reference level is normalised to 0.5dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.6dB over the same frequency range.
  • Tonality (Preference) Score is *** (measurement is truncated at low frequencies).
  • Tonality (Preference) Score with EQ is *** (measurement is truncated at low frequencies).
  • Link to original Review: akr review. .
  • Note: Data is valid above ~1kHz. The On-Axis is correct below that.
Presonus Eris E5 BT

Vendor specifications

  • SPL
    • peak: 110 dB
  • Size
    • Width 178mm
    • Height 261mm
    • Depth 200mm
  • Weight 6.3kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -2.5dB.
Type Freq Q Gain
PK 58.0 0.71 2.99
PK 95.0 1.09 -3.84
PK 792.0 0.87 2.31
PK 1121.0 2.64 -2.99
PK 1480.0 3.0 2.87
PK 4654.0 1.34 -4.52
PK 9319.0 0.78 -3.92
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This EQ optimise the Harman score and is a good start for far field listening like in your living room.

Quick config:
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