Short answer: the Shuoer DZ4. It ranks #122 of 450 in-ear headphones by sound quality, rated 4.4/5, at $24; the KZ CRN ranks #151, rated 4.3/5, at $23.99. With prices this close, go by the sound-quality ranking rather than the cost.
Buy the Shuoer DZ4. It is rated higher for sound quality, and the $0.01 you would save on the KZ CRN does not close the gap.
Still deciding? The full Headphones rankings cover every ranked option.
Specifications Side By Side
| Shuoer DZ4 | KZ CRN | |
|---|---|---|
| Price | $24.00 | $23.99 |
| Ranked | #122 of 450 in In-Ear Headphones | #151 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 78 (median of 19 squig.link measurements, calibrated to AutoEQ) | 77 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.58 dB standard deviation | 1.67 dB standard deviation |
| Tonal Tilt | -0.28 (negative is warmer, positive brighter) | -0.19 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Dynamic | Hybrid (1 dynamic + 1 balanced armature + 1 electrostatic) |
| Drivers | 3 x 6mm dynamic + 1 x 6mm passive radiator | 1 x 10mm dynamic + 1 x balanced armature + 1 x 6.8mm electrostatic |
| Impedance | 12 ohms | 25 ohms |
| Sensitivity | 104 dB | 104 dB |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | 20Hz - 40kHz (Manufacturer specified) |
| Built-in Microphone | No | - |
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- Tanchjim Bunny vs Shuoer DZ4
- Shuoer DZ4 vs TANGZU Wu Heyday
- KZ CRN vs TANGZU Wan’er S.G 2
- KZ CRN vs Moondrop Beautiful World
- KZ CRN vs Tin HiFi Huo
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
Shuoer DZ4: $24.00 Amazon eBay
Full Shuoer DZ4 review and specifications →
| Released | 2023 (3 years ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.58 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 3 x 6mm dynamic + 1 x 6mm passive radiator |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 78 (median of 19 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 12 ohms |
| Sensitivity | 104 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.1 dB at 30 Hz) |
| Tonal Tilt | -0.28 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
KZ CRN: $23.99 Amazon eBay
Full KZ CRN review and specifications →
| Back | Closed |
|---|---|
| Connection | Wired |
| Deviation From Target | 1.67 dB standard deviation |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature + 1 electrostatic) |
| Drivers | 1 x 10mm dynamic + 1 x balanced armature + 1 x 6.8mm electrostatic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) |
| Harman Preference Score | 77 (median of 4 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 25 ohms |
| Sensitivity | 104 dB |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) |
| Tonal Tilt | -0.19 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons