Short answer: a tie on sound quality. Both are rated 3.9/5 (#307 and #310 of 450 in-ear headphones) at nearly the same price ($249.99 vs $249.99), so choose on features and fit.
Buy the DUNU DN142 or the OpenAudio Siren on features: they are rated the same for sound quality at close to the same price.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| DUNU DN142 | OpenAudio Siren | |
|---|---|---|
| Price | $249.99 | $249.99 |
| Ranked | #307 of 450 in In-Ear Headphones | #310 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 72 (median of 7 squig.link measurements, calibrated to AutoEQ) | 72 (median of 3 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.83 dB standard deviation | 2.06 dB standard deviation |
| Tonal Tilt | -0.86 (negative is warmer, positive brighter) | -0.44 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.1 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+1.9 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature + 2 planar) | Hybrid (1 dynamic + 2 balanced armature) |
| Drivers | 1 x dynamic + 4 x balanced armature + 2 x micro planar | 1 x 10mm dynamic + 2 x balanced armature |
| Impedance | 37 ohms | 10 ohms |
| Sensitivity | 107 dB/mW | 107 dB/mW |
| Weight | 0 lbs (5.6 g) per earbud | - |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) | 10Hz - 45kHz (Manufacturer specified) |
| Built-in Microphone | No | No |
Related Headphone Comparisons
More top alternatives to DUNU DN142:
- Tanchjim Origin vs DUNU DN142
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- DUNU DN142 vs ZiiGaat Crescent
- DUNU DN142 vs TANGZU Wu Legend
- Tanchjim Origin vs OpenAudio Siren
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
DUNU DN142: $249.99 Amazon eBay
Full DUNU DN142 review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.83 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature + 2 planar) |
| Drivers | 1 x dynamic + 4 x balanced armature + 2 x micro planar |
| Form Factor | In-ear |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 72 (median of 7 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 37 ohms |
| Sensitivity | 107 dB/mW |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+2.1 dB at 30 Hz) |
| Tonal Tilt | -0.86 (negative is warmer, positive brighter) |
| Weight | 0 lbs (5.6 g) per earbud |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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