Short answer: a tie on sound quality. Both are rated 4.4/5 (#122 and #118 of 450 in-ear headphones) at nearly the same price ($24 vs $24.99), so choose on features and fit.

Buy the Shuoer DZ4 or the TANGZU Wu Heyday on features: they are rated the same for sound quality at close to the same price.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Shuoer DZ4 | TANGZU Wu Heyday | |
|---|---|---|
| Price | $24.00 | $24.99 |
| Ranked | #122 of 450 in In-Ear Headphones | #118 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 78 (median of 19 squig.link measurements, calibrated to AutoEQ) | 78 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.58 dB standard deviation | 1.70 dB standard deviation |
| Tonal Tilt | -0.28 (negative is warmer, positive brighter) | -0.09 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Planar magnetic |
| Drivers | 3 x 6mm dynamic + 1 x 6mm passive radiator | 1 x 14.5mm planar magnetic |
| Impedance | 12 ohms | 16 ohms |
| Sensitivity | 104 dB | 100 dB |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | No | No |
Related Headphone Comparisons
How TANGZU Wu Heyday compares with other leading options:
- Tanchjim Bunny vs TANGZU Wu Heyday
- TANGZU Wu Heyday vs Moondrop Beautiful World
- Tanchjim Bunny vs Shuoer DZ4
- Shuoer DZ4 vs KZ CRN
- KZ Duonic vs TRI Meteor
Prices on this page were last checked October 11, 2026 at 4:59 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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The Two Headphones In Full
Shuoer DZ4: $24.00 Amazon eBay
Full Shuoer DZ4 review and specifications →
| Released | 2023 (3 years ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.58 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 3 x 6mm dynamic + 1 x 6mm passive radiator |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 19 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 12 ohms |
| Sensitivity | 104 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) |
| Tonal Tilt | -0.28 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
TANGZU Wu Heyday: $24.99 Amazon eBay
Full TANGZU Wu Heyday review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.70 dB standard deviation |
| Driver Type | Planar magnetic |
| Drivers | 1 x 14.5mm planar magnetic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 100 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Tonal Tilt | -0.09 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons

