Short answer: the DUNU DK3001BD. Both are rated 4.1/5 for sound quality (#218 and #227 of 450 in-ear headphones), and the DUNU DK3001BD costs $485 against $519.99 for the EPZ 550, with sound quality a draw, the lower price decides it.
Buy the DUNU DK3001BD. Both are rated the same for sound quality, and it costs $34.99 less than the EPZ 550.
Looking for alternatives? See the complete Headphones rankings.
Specifications Side By Side
| DUNU DK3001BD | EPZ 550 | |
|---|---|---|
| Price | $485.00 | $519.99 |
| Ranked | #218 of 450 in In-Ear Headphones | #227 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 75 (median of 23 squig.link measurements, calibrated to AutoEQ) | 75 (median of 7 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.54 dB standard deviation | 1.85 dB standard deviation |
| Tonal Tilt | -0.41 (negative is warmer, positive brighter) | +0.07 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.5 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-4.3 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature + 4 planar) | Balanced armature |
| Drivers | 1 x dynamic + 4 x balanced armature + 4 x planar | 5 x balanced armature |
| Impedance | 26 ohms | - |
| Sensitivity | 108 dB/mW | 105 dB |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) | 20Hz - 20kHz (Manufacturer specified) |
| Built-in Microphone | - | No |
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- DUNU DK3001BD vs Softears Studio 4
- EPZ 550 vs Xenns Mangird Top Pro
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 DK3001BD: $485.00 Amazon eBay
Full DUNU DK3001BD review and specifications →
| Released | Oct 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.54 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature + 4 planar) |
| Drivers | 1 x dynamic + 4 x balanced armature + 4 x planar |
| Form Factor | In-ear |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 75 (median of 23 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 26 ohms |
| Sensitivity | 108 dB/mW |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-0.5 dB at 30 Hz) |
| Tonal Tilt | -0.41 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
EPZ 550: $519.99 Amazon eBay
Full EPZ 550 review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.85 dB standard deviation |
| Driver Type | Balanced armature |
| Drivers | 5 x balanced armature |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz (Manufacturer specified) |
| Harman Preference Score | 75 (median of 7 squig.link measurements, calibrated to AutoEQ) |
| Sensitivity | 105 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-4.3 dB at 30 Hz) |
| Tonal Tilt | +0.07 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons


