What we know about the measurement:

Audio Engine A2 is an active bookshelves that cost around 200 USD for a pair.

  • Quality of the measurement data is low.
  • Origin of the data is Misc.
  • Format of the data is a scanned image .
  • -3dB (resp. -6db) point v.s. reference is at 98.8Hz (resp. 82.0Hz).
  • Reference level is normalised to 0.3dB computed over the frequency range [300.0Hz, 5000.0Hz].
  • Frequency deviation is 4.1dB over the same frequency range.
  • Tonality (Preference) Score
    • Tonality (Preference) Score is 1.94 and would be 5.2 with a perfect subwoofer.
      • Details: NBD: ON 0.568, LW 0.506, SP 0.592, PIR 0.534; SM: SP0.515, PIR0.228; LFQ 0.0, LFX 82Hz
    • Tonality (Preference) Score is 5.3 with an EQ and would be 8.13 with a perfect subwoofer and the same EQ.
      • Details: NBD: ON 0.305, LW 0.259, SP 0.366, PIR 0.286; SM: SP0.935, PIR0.89; LFQ 0.0, LFX 65Hz
  • Link to Original review.
Audio Engine A2
AutomaticEQ (IIR)
Set preamp gain to: -2.7dB.
Type Freq Q Gain
3 67.0 1.21 2.98
3 102.0 2.31 2.98
3 178.0 1.03 -5.36
3 332.0 1.31 -3.06
3 560.0 0.84 2.99
3 8110.0 2.72 -1.91
3 16239.0 0.26 -5.04
Download

These EQ optimise the Harman score and is a good start for far field listening like in your living room.

Audio Engine A2 filters_auto_eq

AutomaticEQ

Audio Engine A2 filters_eq_full

Target v.s. EQ

Audio Engine A2
Graphic EQ 15 bands
Set preamp gain to: -0.5dB.
Type Freq Q Gain
3 25.0 2.14 0.0
3 40.0 2.14 0.0
3 63.0 2.14 0.0
3 100.0 2.14 0.0
3 160.0 2.14 0.0
3 250.0 2.14 0.0
3 400.0 2.14 -0.25
3 630.0 2.14 0.25
3 1000.0 2.14 0.5
3 1600.0 2.14 -0.25
3 2500.0 2.14 -0.25
3 4000.0 2.14 0.0
3 6300.0 2.14 -0.25
3 10000.0 2.14 -0.5
3 16000.0 2.14 -0.5
Download

These EQ is designed for a 15 bands graphical EQ.

Audio Engine A2
Graphic EQ 31 bands
Set preamp gain to: -0.6dB.
Type Freq Q Gain
3 20.0 4.32 0.0
3 25.0 4.32 0.0
3 31.0 4.32 0.0
3 40.0 4.32 0.0
3 50.0 4.32 0.0
3 63.0 4.32 0.0
3 80.0 4.32 0.0
3 100.0 4.32 0.0
3 125.0 4.32 0.0
3 160.0 4.32 0.0
3 200.0 4.32 0.0
3 250.0 4.32 0.0
3 315.0 4.32 0.0
3 400.0 4.32 -0.25
3 500.0 4.32 0.0
3 630.0 4.32 0.25
3 800.0 4.32 0.25
3 1000.0 4.32 0.5
3 1250.0 4.32 0.25
3 1600.0 4.32 -0.25
3 2000.0 4.32 -0.25
3 2500.0 4.32 -0.25
3 3150.0 4.32 -0.25
3 4000.0 4.32 0.0
3 5000.0 4.32 -0.25
3 6300.0 4.32 -0.25
3 8000.0 4.32 -0.5
3 10000.0 4.32 -0.5
3 12000.0 4.32 -0.5
3 16000.0 4.32 -0.5
3 20000.0 4.32 0.0
Download

These EQ is designed for a 31 bands graphical EQ.

Audio Engine A2: comparison between EQs
Audio Engine A2

Comparison betweens various EQs

Audio Engine A2

Improvements made by EQ

Frequency Frequency with EQ
Frequency Frequency with EQ
Frequency Frequency with EQ
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