Midiplus MI3 II is an active bookshelves that cost around 139 USD for a pair.

  • Quality of the measurement data is high.
  • Origin of the data is Misc.
  • Format of the data is generated by a Klippel NFS .
  • -3dB (resp. -6db) point v.s. reference is at 66.7Hz (resp. 62.3Hz).
  • Reference level is normalised to 0.7dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 5.2dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 0.99 and would be 3.84 with a perfect subwoofer.
      • Details: NBD: ON 0.938, LW 0.852, SP 0.729, PIR 0.671; SM: SP0.209, PIR0.219; LFQ 0.166, LFX 66Hz
    • Tonality (Preference) Score is 4.29 with an EQ and would be 7.15 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.603, LW 0.475, SP 0.365, PIR 0.276; SM: SP0.567, PIR0.774; LFQ 0.166, LFX 66Hz
Midiplus MI3 II

Vendor specifications

  • SPL
    • peak: 98 dB
  • Size
    • Width 119mm
    • Height 152mm
    • Depth 165mm
  • Weight 1.77kg

Directivity (-6dB)

AutomaticEQ (IIR)
Set preamp gain to: -1.8dB.
Type Freq Q Gain
PK 95.0 1.82 -3.31
PK 149.0 1.18 -7.53
PK 560.0 0.25 1.94
PK 579.0 2.28 -2.02
PK 1381.0 0.52 2.98
PK 1429.0 2.41 -7.21
PK 5732.0 0.47 -7.32
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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:
Quick config:
Quick config:
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