Short answer: the Tanchjim Bunny. It ranks #81 of 450 in-ear headphones by sound quality, rated 4.5/5, at $23.99; the TANGZU Wu Heyday ranks #118, rated 4.4/5, and costs $24.99, so there is little reason to consider the other one.
Buy the Tanchjim Bunny. It is rated higher for sound quality than the TANGZU Wu Heyday and costs less, which makes it the one to get unless you need something the other one does better.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| Tanchjim Bunny | TANGZU Wu Heyday | |
|---|---|---|
| Price | $23.99 | $24.99 |
| Ranked | #81 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 | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) | 78 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.51 dB standard deviation | 1.70 dB standard deviation |
| Tonal Tilt | +0.00 (negative is warmer, positive brighter) | -0.09 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.2 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 | 1 x dynamic | 1 x 14.5mm planar magnetic |
| Impedance | 30 ohms | 16 ohms |
| Sensitivity | 123 dB/Vrms | 100 dB |
| Frequency Response | 8Hz - 48kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | Yes | No |
Related Headphone Comparisons
More top alternatives to Tanchjim Bunny:
- Shanling Tino vs Tanchjim Bunny
- Tanchjim Bunny vs Tanchjim Ola Bass
- Tanchjim Bunny vs Shuoer DZ4
- Shuoer DZ4 vs TANGZU Wu Heyday
- TANGZU Wu Heyday vs Moondrop Beautiful World
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
Tanchjim Bunny: $23.99 Amazon eBay
Full Tanchjim Bunny review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 1.51 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x dynamic |
| Form Factor | In-ear |
| Frequency Response | 8Hz - 48kHz (Manufacturer specified) |
| Harman Preference Score | 80 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 30 ohms |
| Sensitivity | 123 dB/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.2 dB at 30 Hz) |
| Tonal Tilt | +0.00 (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