Short answer: a tie on sound quality. Both are rated 4.3/5 (#151 and #153 of 450 in-ear headphones) at nearly the same price ($23.99 vs $24.99), so choose on features and fit.
Buy the KZ CRN or the Moondrop Beautiful World 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
| KZ CRN | Moondrop Beautiful World | |
|---|---|---|
| Price | $23.99 | $24.99 |
| Ranked | #151 of 450 in In-Ear Headphones | #153 of 450 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 77 (median of 4 squig.link measurements, calibrated to AutoEQ) | 77 (median of 8 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 1.67 dB standard deviation | 1.78 dB standard deviation |
| Tonal Tilt | -0.19 (negative is warmer, positive brighter) | +0.17 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-1.7 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (-3.6 dB at 30 Hz) |
| Connection | Wired | Wired |
| Driver Type | Hybrid (1 dynamic + 1 balanced armature + 1 electrostatic) | Dynamic |
| Drivers | 1 x 10mm dynamic + 1 x balanced armature + 1 x 6.8mm electrostatic | 1 x 10mm dynamic |
| Impedance | 25 ohms | 32 ohms |
| Sensitivity | 104 dB | 122 dB SPL/Vrms |
| Frequency Response | 20Hz - 40kHz (Manufacturer specified) | 10Hz - 45kHz (Manufacturer specified) |
| Built-in Microphone | - | No |
Related Headphone Comparisons
How KZ CRN compares with other leading options:
- Shuoer DZ4 vs KZ CRN
- KZ CRN vs Moondrop Chu 2
- KZ CRN vs TForce Yuanli
- KZ CRN vs Tin HiFi Huo
- KZ CRN vs TANGZU Wan’er S.G 2
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
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
Moondrop Beautiful World: $24.99 Amazon eBay
Full Moondrop Beautiful World review and specifications →
| Released | Aug 2023 (3 years ago) |
|---|---|
| Back | Closed |
| Built-in Microphone | No |
| Connection | Wired |
| Deviation From Target | 1.78 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dynamic |
| Form Factor | In-ear |
| Frequency Response | 10Hz - 45kHz (Manufacturer specified) |
| Harman Preference Score | 77 (median of 8 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sensitivity | 122 dB SPL/Vrms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (-3.6 dB at 30 Hz) |
| Tonal Tilt | +0.17 (negative is warmer, positive brighter) |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons