Short answer: the OpenAudio Siren. Both are rated 3.9/5 for sound quality (#310 and #314 of 450 in-ear headphones), and the OpenAudio Siren costs $249.99 against $259 for the TANGZU Wu Legend, and with sound quality even, the cheaper one is the better buy.
Buy the OpenAudio Siren. Both are rated the same for sound quality, and it costs $9.01 less than the TANGZU Wu Legend.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| OpenAudio Siren | TANGZU Wu Legend | |
|---|---|---|
| Price | $249.99 | $259.00 |
| Ranked | #310 of 450 in In-Ear Headphones | #314 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 72 (median of 3 squig.link measurements, calibrated to AutoEQ) | 72 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 2.06 dB standard deviation | 2.23 dB standard deviation |
| Tonal Tilt | -0.44 (negative is warmer, positive brighter) | -0.22 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+1.9 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-2.0 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 2 balanced armature) | Planar magnetic |
| Drivers | 1 x 10mm dynamic + 2 x balanced armature | 1 x 14.2mm planar magnetic + 1 x 6mm planar magnetic |
| Impedance | 10 ohms | 12.5 ohms |
| Sensitivity | 107 dB/mW | 106.5 dB |
| Frequency Response | 10Hz - 45kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | No | - |
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More worthwhile head-to-heads for OpenAudio Siren:
- Tanchjim Origin vs OpenAudio Siren
- OpenAudio Siren vs ZiiGaat Crescent
- DUNU DN142 vs OpenAudio Siren
- DUNU DN142 vs TANGZU Wu Legend
- TANGZU Wu Legend vs ZiiGaat Crescent
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
OpenAudio Siren: $249.99 Amazon eBay
Full OpenAudio Siren review and specifications →
| Released | Sep 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 2.06 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 2 balanced armature) |
| Drivers | 1 x 10mm dynamic + 2 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 45kHz (Manufacturer specified) |
| Harman Preference Score | 72 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 10 ohms |
| Sensitivity | 107 dB/mW |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+1.9 dB at 30 Hz) |
| Tonal Tilt | -0.44 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
TANGZU Wu Legend: $259.00 Amazon eBay
Full TANGZU Wu Legend review and specifications →
| Back | Closed |
|---|---|
| Connection | Wired |
| Deviation From Target | 2.23 dB standard deviation |
| Driver Type | Planar magnetic |
| Drivers | 1 x 14.2mm planar magnetic + 1 x 6mm planar magnetic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 72 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 12.5 ohms |
| Sensitivity | 106.5 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.0 dB at 30 Hz) |
| Tonal Tilt | -0.22 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons