The Tangzu Li Zhi ranks #923 out of 1291 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: TANGZU
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.
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#923 Tangzu Li Zhi: 79.00 Linsoul eBay
Pros: A broadly balanced tuning with a preference score of 65 against the Harman target.
Cons: Treble about 3 dB below target from 3 to 10 kHz, which can sound dull or veiled next to brighter headphones. An uneven response, 2.4 dB standard deviation from target.
Is the Tangzu Li Zhi right for you?
Buy it if
- you are sensitive to bright or sharp treble (treble sits 2.8 dB below target).
- you want sub-bass rumble that reaches down to 20 Hz.
- you are happy to use EQ: our preset lifts its Harman match by about 28 points.
Skip it if
- you want the best value: the higher-rated EPZ G10 costs about $55 less.
| Back | Closed |
|---|---|
| Connection | Wired |
| Deviation From Target | 2.38 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm CVD diamond crystal evaporated diaphragm dynamic driver |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20,000Hz |
| Harman Preference Score | 65 (median of 5 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 18 ohms |
| Sensitivity | 107.5 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.2 dB at 30 Hz) |
| Tonal Tilt | -0.81 (negative is warmer, positive brighter) |
EQ Presets
Harman target
Set a preamp of -4.1 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 5 squig.link measurements, in the filter layout AutoEQ uses. Predicted Harman match with this EQ: 93 out of 100, up from 65.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| High shelf | 10,000 Hz | +1.6 dB | 0.70 |
| Peak | 188 Hz | -4.0 dB | 0.62 |
| Peak | 1,297 Hz | -1.0 dB | 3.78 |
| Peak | 2,516 Hz | +2.2 dB | 3.26 |
| Peak | 5,345 Hz | +3.3 dB | 0.46 |
| Peak | 7,570 Hz | -2.0 dB | 5.25 |
Neutral target
Set a preamp of -4.1 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 5 squig.link measurements, in the filter layout AutoEQ uses. Predicted Neutral match with this EQ: 95 out of 100, up from 31.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -8.8 dB | 0.70 |
| High shelf | 10,000 Hz | +1.6 dB | 0.70 |
| Peak | 183 Hz | -3.9 dB | 0.59 |
| Peak | 1,299 Hz | -1.0 dB | 3.86 |
| Peak | 2,515 Hz | +2.2 dB | 3.24 |
| Peak | 5,345 Hz | +3.3 dB | 0.46 |
| Peak | 7,569 Hz | -2.0 dB | 5.25 |
Studio flat 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 the median of 5 squig.link measurements, in the filter layout AutoEQ uses. Predicted Studio flat match with this EQ: 90 out of 100, up from 10.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -11.4 dB | 0.70 |
| High shelf | 10,000 Hz | +2.0 dB | 0.70 |
| Peak | 191 Hz | -5.7 dB | 0.64 |
| Peak | 2,267 Hz | +1.1 dB | 6.00 |
| Peak | 2,773 Hz | +6.0 dB | 1.45 |
| Peak | 5,953 Hz | +2.2 dB | 3.46 |
Warm target
Set a preamp of -2.8 dB, then add these filters in any parametric equalizer (Wavelet, Equalizer APO, Peace, or a player with parametric EQ). Calculated by Speaker Ranking from the median of 5 squig.link measurements, in the filter layout AutoEQ uses. Predicted Warm match with this EQ: 93 out of 100, up from 77.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| High shelf | 10,000 Hz | -1.3 dB | 0.70 |
| Peak | 184 Hz | -3.8 dB | 0.75 |
| Peak | 2,737 Hz | +2.7 dB | 1.32 |
| Peak | 5,806 Hz | +2.3 dB | 6.00 |
Bass target
Set a preamp of -4.4 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 5 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 | +3.5 dB | 0.70 |
| High shelf | 10,000 Hz | +1.6 dB | 0.70 |
| Peak | 32 Hz | +1.0 dB | 1.15 |
| Peak | 199 Hz | -4.0 dB | 0.70 |
| Peak | 1,292 Hz | -1.1 dB | 3.62 |
| Peak | 2,518 Hz | +2.2 dB | 3.29 |
| Peak | 5,345 Hz | +3.3 dB | 0.46 |
| Peak | 7,572 Hz | -2.0 dB | 5.24 |
Bright 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 the median of 5 squig.link measurements, in the filter layout AutoEQ uses. Predicted Bright match with this EQ: 86 out of 100, up from 19.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | -8.8 dB | 0.70 |
| High shelf | 10,000 Hz | +2.0 dB | 0.70 |
| Peak | 182 Hz | -3.9 dB | 0.58 |
| Peak | 1,299 Hz | -1.0 dB | 3.99 |
| Peak | 2,445 Hz | +1.9 dB | 3.68 |
| Peak | 4,419 Hz | +5.6 dB | 0.82 |
| Peak | 6,971 Hz | -1.8 dB | 6.00 |
V-shaped target
Set a preamp of -6.1 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 5 squig.link measurements, in the filter layout AutoEQ uses. Predicted V-shaped match with this EQ: 82 out of 100, up from 58.
| Filter | Frequency | Gain | Q |
|---|---|---|---|
| Low shelf | 105 Hz | +4.2 dB | 0.70 |
| High shelf | 10,000 Hz | +2.0 dB | 0.70 |
| Peak | 196 Hz | -2.6 dB | 0.64 |
| Peak | 4,148 Hz | +6.0 dB | 0.83 |
- Reviews, Comparisons and Sound Samples
Frequency Response
How the Tangzu Li Zhi 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 5 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 5 measurements from the squig.link databases of bassaudio, csi-zone, dl, soundcheck39 and soundignity. Thanks to each of them for publishing their work.
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