AKG K240 Sextett Review: Ranked #300 of 479

Last updated: October 16, 2026

The AKG K240 Sextett ranks #300 out of 479 total Over-Ear Headphones for sound quality. See all Headphones rankings for every top pick.

Brand: AKG

Prices on this page were last checked October 16, 2026 at 5:46 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

As an eBay Partner, we may be compensated if you make a purchase.

AKG K240 Sextett - ranked #300 of 479 Over-Ear Headphones · Editor's rating 3.3/5

#300 AKG K240 Sextett: $95 Discontinued eBay

Newer model: the AKG K240 MKII, ranked higher, rated 3.7/5, released 2008. See every AKG K240 generation.

Pros: A broadly balanced tuning with a preference score of 65 against the Harman target.

Cons: An uneven response, 3.1 dB standard deviation from target. Discontinued.

Is the AKG K240 Sextett right for you?

Buy it if

  • you are happy to use EQ: our preset lifts its Harman match by about 37 points.

Skip it if

  • you want deep sub-bass: it falls away below about 30 Hz.
  • you want to buy it new: it is discontinued.
BackSemi-open
ConnectionWired (6.35mm)
Deviation From Target3.10 dB standard deviation
Driver TypeDynamic
Drivers1 Dynamic (32mm) + 6 Passive Radiators
Form FactorOver-ear
Harman Preference Score65 (measured by oratory1990, via AutoEQ)
Sub-bass ExtensionFalls 6 dB below target at 30 Hz (-6.3 dB at 30 Hz)
Tonal Tilt-0.64 (negative is warmer, positive brighter)

EQ Presets

Harman target

Set a preamp of -6.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by AutoEQ from its measured frequency response. Predicted Harman match with this EQ: 100 out of 100, up from 65.

FilterFrequencyGainQ
Low shelf105 Hz+6.2 dB0.70
Peak101 Hz-5.8 dB1.30
Peak3,348 Hz+5.5 dB3.49
Peak1,269 Hz+3.5 dB0.96
Peak225 Hz-3.7 dB1.04
High shelf10,000 Hz+4.4 dB0.70
Peak6,554 Hz-4.6 dB4.67
Peak9,130 Hz-2.3 dB2.34
Peak4,103 Hz+2.3 dB5.92
Peak4,561 Hz-1.8 dB6.00

Neutral target

Set a preamp of -4.8 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from AutoEQ’s measurement, in the filter layout AutoEQ uses. Predicted Neutral match with this EQ: 100 out of 100, up from 48.

FilterFrequencyGainQ
Low shelf105 Hz-2.5 dB0.70
High shelf10,000 Hz+0.6 dB0.70
Peak23 Hz+2.9 dB0.78
Peak64 Hz+2.1 dB5.62
Peak124 Hz-7.4 dB0.65
Peak283 Hz-2.6 dB1.42
Peak1,353 Hz+1.8 dB2.66
Peak3,302 Hz+5.4 dB4.98
Peak4,756 Hz-1.9 dB6.00
Peak6,906 Hz-6.2 dB2.86

Studio flat target

Set a preamp of -5.8 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from AutoEQ’s measurement, in the filter layout AutoEQ uses. Predicted Studio flat match with this EQ: 93 out of 100, up from 16.

FilterFrequencyGainQ
Low shelf105 Hz-4.5 dB0.70
High shelf10,000 Hz+2.0 dB0.70
Peak56 Hz+2.4 dB0.96
Peak132 Hz-8.9 dB0.61
Peak327 Hz-3.4 dB1.28
Peak2,980 Hz+6.0 dB2.44
Peak6,619 Hz-6.0 dB2.48

Warm target

Set a preamp of -5.8 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from AutoEQ’s measurement, in the filter layout AutoEQ uses. Predicted Warm match with this EQ: 100 out of 100, up from 75.

FilterFrequencyGainQ
Low shelf105 Hz+3.3 dB0.70
High shelf10,000 Hz-2.0 dB0.70
Peak23 Hz+2.9 dB0.70
Peak64 Hz+2.0 dB5.87
Peak124 Hz-7.1 dB0.69
Peak283 Hz-2.7 dB1.44
Peak1,265 Hz+1.6 dB2.69
Peak3,297 Hz+4.3 dB6.00
Peak4,707 Hz-2.2 dB6.00
Peak6,856 Hz-8.2 dB1.94

Bass target

Set a preamp of -6.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from AutoEQ’s measurement, in the filter layout AutoEQ uses. Predicted Bass match with this EQ: 100 out of 100, up from 71.

FilterFrequencyGainQ
Low shelf105 Hz+5.5 dB0.70
High shelf10,000 Hz+0.6 dB0.70
Peak34 Hz+1.0 dB1.23
Peak56 Hz+2.1 dB2.50
Peak97 Hz-2.7 dB3.82
Peak182 Hz-7.2 dB0.70
Peak1,337 Hz+1.8 dB2.42
Peak3,301 Hz+5.4 dB4.88
Peak4,757 Hz-1.9 dB6.00
Peak6,906 Hz-6.2 dB2.89

Bright target

Set a preamp of -6.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from AutoEQ’s measurement, in the filter layout AutoEQ uses. Predicted Bright match with this EQ: 98 out of 100, up from 33.

FilterFrequencyGainQ
Low shelf105 Hz-2.6 dB0.70
High shelf10,000 Hz+2.0 dB0.70
Peak23 Hz+3.0 dB0.77
Peak64 Hz+2.1 dB5.56
Peak124 Hz-7.4 dB0.65
Peak283 Hz-2.6 dB1.38
Peak3,377 Hz+6.0 dB3.49
Peak6,943 Hz-2.5 dB4.01

V-shaped target

Set a preamp of -6.5 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from AutoEQ’s measurement, in the filter layout AutoEQ uses. Predicted V-shaped match with this EQ: 95 out of 100, up from 63.

FilterFrequencyGainQ
Low shelf105 Hz+5.7 dB0.70
High shelf10,000 Hz+2.0 dB0.70
Peak56 Hz+3.0 dB1.96
Peak132 Hz-5.6 dB0.75
Peak283 Hz-2.2 dB1.23
Peak3,403 Hz+6.0 dB2.75

More AKG headphones →