Short answer: the Moondrop Chu 2. It ranks #211 of 1291 in-ear headphones by sound quality, rated 4.3/5, at $22.99; the TANGZU Wan’er S.G 2 ranks #283, rated 4.2/5, at $22.80. The price gap is small enough that the sound-quality ranking should decide it.
Why pick the Moondrop Chu 2: A preference score of 77 in HypetheSonics’ measurement, with bass about 2.1 dB above target from 60 to 200 Hz and sub-bass reaching 20 Hz, giving a warm, full sound that suits bass lovers. The catch: A 5.7 dB dip near 6.6 kHz and treble about 1.6 dB below target from 6 to 10 kHz soften cymbal attack, while a 4.7 dB peak near 8.8 kHz can make some sibilants stand out.
Why pick the TANGZU Wan’er S.G 2: The median of 9 hobbyist measurements gives it a very good Harman preference score of 76 with a 1.83 dB spread, and its mids sit within about 1 dB of target, so vocals and instruments sound natural. The catch: Presence sits about 3.4 dB low with a 5 dB dip near 6.1 kHz, so vocals and instruments lose some bite.
Buy the Moondrop Chu 2. It is rated higher for sound quality, and saving $0.19 with the TANGZU Wan’er S.G 2 does not make up for the sound-quality gap.
Still deciding? The full Headphones rankings cover every ranked option.
A preference score of 77 in HypetheSonics’ measurement, with bass about 2.1 dB above target from 60 to 200 Hz and sub-bass reaching 20 Hz, giving a warm, full sound that suits bass lovers.
Linsoul $22.99 eBay
The median of 9 hobbyist measurements gives it a very good Harman preference score of 76 with a 1.83 dB spread, and its mids sit within about 1 dB of target, so vocals and instruments sound natural.
Amazon $22.80 eBayPrices 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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Specifications Side By Side
| Moondrop Chu 2 | TANGZU Wan’er S.G 2 | |
|---|---|---|
| Price | $22.99 | $22.80 |
| Ranked | #211 of 1291 in In-Ear Headphones | #283 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 77 (measured by HypetheSonics, via AutoEQ) | 76 (median of 9 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.79 dB standard deviation | 1.83 dB standard deviation |
| Tonal Tilt | -0.50 (negative is warmer, positive brighter) | -0.28 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.6 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.2 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Dynamic |
| Drivers | 1 x 10mm dynamic | 1 x 10mm dynamic |
| Impedance | 18 ohms | - |
| Sensitivity | 119 dB/Vrms | - |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) | - |
| Built-in Microphone | No | - |
Frequency Response Compared
Both headphones’ measurements overlaid on the Harman target. Above the target sounds louder in that range, below it quieter. Each curve is the median of several independent measurements, shifted so its 500 Hz to 2 kHz average sits at 0 dB, so only the tuning is compared.
Measurement data: the Moondrop Chu 2 from aden, aftersound, ankramutt, arc, arn, atechreviews, audioamigo, banzai1122, bassaudio, bassyalexander, bedrock, boizoff, breampike, dentreviews, dvewlsh, ekaudio, eplv, fernandagunsan, gadgetrytech, hu-fi, ianfann, iemworld, isaiahse, kazi, koi, lown-fi, lumerion, mmagtech, musicafe, pw, recode, sl0the, soundcheck39, soundignity, superreview, theaudiostore, therollo9, timmyv, tonedeafmonk, treblewellxtended, vortexreviews and vsg; the TANGZU Wan’er S.G 2 from aden, aquaphobic, atechreviews, audioamigo, bassaudio, csi-zone, fernandagunsan, hbb, jaytiss, koi, lown-fi, sai, samreviews, soundcheck39, soundignity, tdl, theaudiostore, therollo9, timmyv, treblewellxtended and zerostresslevel, all via squig.link.
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