The Tanchjim One ranks #317 out of 1061 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: Tanchjim
Prices on this page were last checked October 15, 2026 at 5:41 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.
#317 Tanchjim One Discontinued eBay
Pros: A budget single dynamic IEM that measures close to the Harman target across 26 measurements (score 75), with treble right on target.
Cons: Discontinued, so it is mainly found used. Sub-bass falls about 2.1 dB below target at 30 Hz. The USB-C ONE DSP version is a different tuning that this rating does not cover.
Is the Tanchjim One right for you?
Buy it if
- you want the tuning most listeners prefer in blind tests out of the box (Harman score 75).
- you want sub-bass rumble that reaches down to 20 Hz.
Skip it if
- you want to buy it new: it is discontinued.
| Released | 2023 (3 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.87 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 7Hz - 45kHz |
| Harman Preference Score | 75 (median of 26 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 126 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.1 dB at 30 Hz) |
| Tonal Tilt | -0.25 (negative is warmer, positive brighter) |
EQ Presets
Harman target
Set a preamp of -2.1 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted Harman match with this EQ: 92 out of 100, up from 75.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +0.3 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 23 Hz | +1.9 dB | 1.42 |
| Peak | 169 Hz | -4.5 dB | 0.69 |
| Peak | 2,496 Hz | +1.0 dB | 2.40 |
| Peak | 6,887 Hz | +1.2 dB | 0.40 |
Neutral target
Set a preamp of -1.6 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted Neutral match with this EQ: 95 out of 100, up from 44.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -8.2 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 23 Hz | +1.4 dB | 1.72 |
| Peak | 158 Hz | -4.5 dB | 0.62 |
| Peak | 2,490 Hz | +1.0 dB | 2.37 |
| Peak | 6,887 Hz | +1.3 dB | 0.40 |
Studio flat target
Set a preamp of -4.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted Studio flat match with this EQ: 94 out of 100, up from 23.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -10.8 dB | 0.70 |
| Peak | 172 Hz | -6.3 dB | 0.68 |
| Peak | 2,606 Hz | +4.3 dB | 2.04 |
| Peak | 5,478 Hz | -2.6 dB | 4.81 |
| Peak | 8,000 Hz | +1.9 dB | 6.00 |
Warm target
Set a preamp of -2.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted Warm match with this EQ: 96 out of 100, up from 79.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +0.6 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 23 Hz | +1.8 dB | 1.46 |
| Peak | 78 Hz | -0.7 dB | 2.45 |
| Peak | 164 Hz | -4.3 dB | 0.69 |
| Peak | 789 Hz | +1.1 dB | 2.55 |
| Peak | 5,727 Hz | -2.5 dB | 2.42 |
Bass 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 the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted Bass match with this EQ: 95 out of 100, up from 69.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +4.1 dB | 0.70 |
| High shelf | 10,000 Hz | -6.0 dB | 0.70 |
| Peak | 23 Hz | +2.0 dB | 1.31 |
| Peak | 82 Hz | -0.8 dB | 2.37 |
| Peak | 173 Hz | -4.5 dB | 0.71 |
| Peak | 2,499 Hz | +1.0 dB | 2.41 |
| Peak | 6,887 Hz | +1.2 dB | 0.40 |
Bright target
Set a preamp of -3.0 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted Bright match with this EQ: 91 out of 100, up from 33.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -8.3 dB | 0.70 |
| High shelf | 10,000 Hz | -2.9 dB | 0.70 |
| Peak | 23 Hz | +1.5 dB | 1.70 |
| Peak | 160 Hz | -4.6 dB | 0.63 |
| Peak | 5,345 Hz | +3.1 dB | 0.53 |
V-shaped target
Set a preamp of -6.3 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 26 squig.link measurements, in the filter layout AutoEQ uses. Predicted V-shaped match with this EQ: 90 out of 100, up from 68.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +4.7 dB | 0.70 |
| High shelf | 10,000 Hz | -1.4 dB | 0.70 |
| Peak | 26 Hz | +1.7 dB | 1.39 |
| Peak | 78 Hz | -0.6 dB | 2.58 |
| Peak | 160 Hz | -3.2 dB | 0.69 |
| Peak | 1,251 Hz | -1.1 dB | 4.26 |
| Peak | 2,603 Hz | +0.8 dB | 1.75 |
| Peak | 5,345 Hz | +3.6 dB | 0.60 |
| Peak | 6,816 Hz | -1.3 dB | 6.00 |
- Reviews, Comparisons and Sound Samples
Frequency Response
How the Tanchjim One 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 the median of 26 independent measurements, so one odd sample or rig cannot skew it, and both lines are shifted so their 500 Hz to 2 kHz average sits at 0 dB.
Measurement data: median of 26 measurements from the squig.link databases of aden, adri-n, aftersound, aquaphobic, arc, atechreviews, banzai1122, bassaudio, breampike, csi-zone, fahryst, harpo, hbb, hu-fi, iemocean, kuping-sensi, lumerion, mmagtech, obodio, practiphile, soundcheck39, soundignity, superreview, tanchjim, timmyv and tonedeafmonk. Thanks to each of them for publishing their work.