Short answer: the EPZ G30. It ranks #42 of 450 in-ear headphones by sound quality, rated 4.6/5, at $79.99; the DUNU Titan S2 ranks #126, rated 4.4/5, at $79.99. The price gap is small enough that the sound-quality ranking should decide it.
What the EPZ G30 does well: Four hobbyist measurements on squig.link give it a preference score of 81.5 with a smooth 1.35 dB deviation. Watch for: Presence falls about 3.2 dB below target, which tucks vocals slightly behind the instruments.
Buy the EPZ G30. It is rated higher for sound quality than the DUNU Titan S2 at the same price, which makes it the one to get unless you need something the other one does better.
Want more options? Browse the full Headphones rankings.
Specifications Side By Side
| EPZ G30 | DUNU Titan S2 | |
|---|---|---|
| Price | $79.99 | $79.99 |
| Ranked | #42 of 450 in In-Ear Headphones | #126 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 82 (median of 4 squig.link measurements, calibrated to AutoEQ) | 78 (median of 25 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.35 dB standard deviation | 1.72 dB standard deviation |
| Tonal Tilt | -0.17 (negative is warmer, positive brighter) | -0.10 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.4 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-2.5 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature) | Dynamic |
| Drivers | 1 x 9.2mm dynamic + 1 x balanced armature | 1 x dynamic |
| Weight | 0 lbs (4.4 g) per earbud | 0 lbs (8.6 g) per earbud |
| Built-in Microphone | Yes | - |
| Impedance | - | 16 ohms |
| Sensitivity | - | 107 dB/mW |
| Frequency Response | - | 5Hz - 40kHz (Manufacturer specified) |
Related Headphone Comparisons
How EPZ G30 compares with other leading options:
- EPZ G20 vs EPZ G30
- EPZ G10 vs EPZ G30
- EPZ G30 vs TANGZU XuanNv
- EPZ G30 vs Moondrop Golden Ages 2
- EPZ 550 vs EPZ G30
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
EPZ G30: $79.99 Amazon eBay
Pros: Four hobbyist measurements on squig.link give it a preference score of 81.5 with a smooth 1.35 dB deviation. Bass sits about 0.9 dB above target with low mids close behind, giving a warm, full sound that suits bassy tastes. It weighs just 4.4 g per earbud and includes a built-in microphone, so it works for calls as well as music.
Cons: Presence falls about 3.2 dB below target, which tucks vocals slightly behind the instruments. A 5.0 dB peak near 8.1 kHz followed by a 5.6 dB dip near 11.9 kHz gives cymbals an uneven sheen and trims top-end air.
Full EPZ G30 review and specifications →
| Back | Closed |
|---|---|
| Built-in Microphone | Yes |
| Connection | Wired |
| Deviation From Target | 1.35 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature) |
| Drivers | 1 x 9.2mm dynamic + 1 x balanced armature |
| Form Factor | In-ear |
| Harman Preference Score | 82 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.4 dB at 30 Hz) |
| Tonal Tilt | -0.17 (negative is warmer, positive brighter) |
| Weight | 0 lbs (4.4 g) per earbud |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
DUNU Titan S2: $79.99 Amazon eBay
Full DUNU Titan S2 review and specifications →
| Released | Jun 2024 (2 years ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 1.72 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x dynamic |
| Form Factor | In-ear |
| Frequency Response | 5Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 25 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 16 ohms |
| Sensitivity | 107 dB/mW |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-2.5 dB at 30 Hz) |
| Tonal Tilt | -0.10 (negative is warmer, positive brighter) |
| Weight | 0 lbs (8.6 g) per earbud |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons