Short answer: the DUNU Glacier. It ranks #164 of 450 in-ear headphones by sound quality, rated 4.3/5, at $1,340. The Aful Dawn X ranks #272, rated 4.0/5, at $1,299.99, $40.01 cheaper, which does not close the gap in sound quality.
Buy the DUNU Glacier. It is rated higher for sound quality, and saving $40.01 with the Aful Dawn X does not make up for the sound-quality gap.
Want more options? Browse the full Headphones rankings.
Specifications Side By Side
| DUNU Glacier | Aful Dawn X | |
|---|---|---|
| Price | $1,340.00 | $1,299.99 |
| Ranked | #164 of 450 in In-Ear Headphones | #272 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 77 (median of 14 squig.link measurements, calibrated to AutoEQ) | 73 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.55 dB standard deviation | 1.84 dB standard deviation |
| Tonal Tilt | -0.62 (negative is warmer, positive brighter) | -0.68 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+3.5 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+0.4 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature + 4 electrostatic) | Hybrid (1 dynamic + 8 balanced armature + 4 electrostatic + 1 bone conduction) |
| Drivers | 1 x dynamic + 4 x balanced armature + 4 x electrostatic | 1 x dynamic + 8 x balanced armature + 4 x electrostatic + 1 x bone conduction |
| Impedance | 43 ohms | 15 ohms |
| Sensitivity | 109 dB/mW | 101 dB |
| Weight | 0 lbs (17.5 g) per earbud | - |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) | 5Hz - 35kHz (Manufacturer specified) |
| Built-in Microphone | - | No |
Related Headphone Comparisons
More worthwhile head-to-heads for DUNU Glacier:
- Symphonium Audio Helios vs DUNU Glacier
- ThieAudio Monarch MKIV vs DUNU Glacier
- DUNU Glacier vs ThieAudio Prestige LTD
- ThieAudio Prestige LTD vs Aful Dawn X
- Aful Dawn X vs Kinera Verdandi
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 Glacier: $1,340.00 Amazon eBay
Full DUNU Glacier review and specifications →
| Released | Apr 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.55 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 4 balanced armature + 4 electrostatic) |
| Drivers | 1 x dynamic + 4 x balanced armature + 4 x electrostatic |
| Form Factor | In-ear |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 77 (median of 14 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 43 ohms |
| Sensitivity | 109 dB/mW |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+3.5 dB at 30 Hz) |
| Tonal Tilt | -0.62 (negative is warmer, positive brighter) |
| Weight | 0 lbs (17.5 g) per earbud |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Aful Dawn X: $1,299.99 HiFiGo eBay
Full Aful Dawn X review and specifications →
| Released | Jul 2025 (1 year ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.84 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 8 balanced armature + 4 electrostatic + 1 bone conduction) |
| Drivers | 1 x dynamic + 8 x balanced armature + 4 x electrostatic + 1 x bone conduction |
| Form Factor | In-ear |
| Frequency Response | 5Hz - 35kHz (Manufacturer specified) |
| Harman Preference Score | 73 (median of 13 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 15 ohms |
| Sensitivity | 101 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.4 dB at 30 Hz) |
| Tonal Tilt | -0.68 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons