The Madoo Typ831 ranks #99 out of 1476 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Prices on this page were last checked October 20, 2026 at 10:35 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.
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#99 Madoo Typ831: $1600 eBay
Pros: A micro planar IEM with a titanium housing and a preference score of 81. Bass reaches 20 Hz, the midrange stays within about 1 dB of target, and it ships with a balanced 4.4 mm Pentaconn Ear cable.
Cons: It is sold only in Japan at about $1600. Treble leans slightly bright with a 4.2 dB peak near 8.2 kHz, Madoo does not publish sensitivity, and the score rests on a single measurement.
Is the Madoo Typ831 right for you?
Buy it if
- you want the tuning most listeners prefer in blind tests out of the box (Harman score 81).
- you want sub-bass rumble that reaches down to 20 Hz.
Skip it if
- you want the best value: the higher-rated QCY HT05 MeloBuds ANC costs about $1,566 less.
| Released | Sep 2026 (new) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.53 dB standard deviation |
| Driver Type | Planar magnetic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 81 (1 squig.link measurement, calibrated to AutoEQ) |
| Impedance | 18 ohms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.3 dB at 30 Hz) |
| Tonal Tilt | +0.24 (negative is warmer, positive brighter) |
| Weight | 0.1 lbs (45 g) |
EQ Presets
Harman target
Set a preamp of -2.6 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Harman match with this EQ: 92 out of 100, up from 81.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +1.5 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 174 Hz | -2.5 dB | 0.73 |
| Peak | 2,551 Hz | -1.7 dB | 6.00 |
| Peak | 3,892 Hz | +2.8 dB | 3.40 |
| Peak | 6,052 Hz | -2.7 dB | 6.00 |
Neutral target
Set a preamp of -2.7 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Neutral match with this EQ: 92 out of 100, up from 56.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -7.0 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 174 Hz | -2.6 dB | 0.63 |
| Peak | 2,552 Hz | -1.7 dB | 6.00 |
| Peak | 3,891 Hz | +2.9 dB | 3.38 |
| Peak | 6,052 Hz | -2.7 dB | 6.00 |
Studio flat target
Set a preamp of -3.6 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Studio flat match with this EQ: 88 out of 100, up from 36.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -9.6 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 175 Hz | -4.4 dB | 0.71 |
| Peak | 829 Hz | +0.9 dB | 2.84 |
| Peak | 3,293 Hz | +3.7 dB | 2.40 |
| Peak | 5,912 Hz | -4.3 dB | 6.00 |
Warm target
Set a preamp of -1.8 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Warm match with this EQ: 92 out of 100, up from 74.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +1.8 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 174 Hz | -2.3 dB | 0.76 |
| Peak | 2,521 Hz | -2.6 dB | 5.65 |
| Peak | 3,860 Hz | +1.7 dB | 3.52 |
| Peak | 6,504 Hz | -4.7 dB | 2.10 |
Bass target
Set a preamp of -5.2 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Bass match with this EQ: 92 out of 100, up from 65.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +5.2 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 181 Hz | -2.6 dB | 0.81 |
| Peak | 2,550 Hz | -1.7 dB | 6.00 |
| Peak | 3,893 Hz | +2.8 dB | 3.41 |
| Peak | 6,052 Hz | -2.7 dB | 6.00 |
Bright target
Set a preamp of -4.6 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted Bright match with this EQ: 87 out of 100, up from 47.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -7.1 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 174 Hz | -2.6 dB | 0.62 |
| Peak | 2,545 Hz | -1.8 dB | 6.00 |
| Peak | 4,239 Hz | +4.7 dB | 1.95 |
| Peak | 7,634 Hz | +2.0 dB | 4.43 |
V-shaped target
Set a preamp of -5.7 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from a single measurement from squig.link, in the filter layout AutoEQ uses. Predicted V-shaped match with this EQ: 83 out of 100, up from 68.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +5.6 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 2,554 Hz | -1.6 dB | 6.00 |
| Peak | 4,334 Hz | +5.0 dB | 1.49 |
| Peak | 7,580 Hz | +2.0 dB | 4.77 |
- Reviews, Comparisons and Sound Samples
Frequency Response
How the Madoo Typ831 measures across the audible range, against the Harman in-ear target that most listeners prefer in blind tests. Where the line sits above the target that range sounds louder (more bass, brighter treble), below it quieter. The curve is a single measurement, and both lines are shifted so their 500 Hz to 2 kHz average sits at 0 dB.
Measurement data: a single measurement from the squig.link database of takeitslow7. Thanks to them for publishing their work.