EarFun Air Pro 4 vs KZ ZST ZSTPROX
EarFun Air Pro 4
EarFun
83 Overall Score
vs
KZ ZST ZSTPROX
KZ
38 Overall Score
What Buyers Say
EarFun Air Pro 4
92 out of 100 low confidence 9 reviews
The EarFun Air Pro 4 earbuds are overwhelmingly praised for their exceptional value, offering high-end features like excellent ANC, multipoint pairing, and impressive sound quality at a fraction of the cost of competitors. Users highlight the long battery life, customizable app, and surprising durability, with one pair surviving a full washing machine cycle. Minor criticisms include a slight fit adjustment needed for some and a limitation where multipoint doesn't work with the LDAC codec.
Pros
- Excellent noise cancellation
- Great sound quality with LDAC/aptX
- Long battery life (11 hours)
- Multipoint pairing
- Customizable app
Cons
- Fit may need adjustment for some
- Multipoint doesn't work with LDAC
- Le Audio not working for some
- One bud connection can drop when separated
- May fall out when eating
Value for money 7
Sound quality 7
Noise cancellation 6
Battery life 4
Build quality 4
Multipoint connectivity 5
KZ ZST ZSTPROX
No customer feedback yet
Scores
Gaming
Budget
Travel
Fitness
Music
Calls
Commute
Specifications
| EarFun Air Pro 4 | KZ ZST ZSTPROX | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | over-ear |
| Ear Tips | 5 pairs of ear tips | — |
| Weight | 0.05 kg★ | — |
| Audio | ||
| Driver Type | hybrid | hybrid |
| Driver Size | 10 mm★ | — |
| Drivers | 2 | 2 |
| Freq Min | 20 Hz | 20 Hz |
| Freq Max | 20 kHz | 40 kHz★ |
| Impedance | 32 Ω | 40 Ω |
| Sensitivity | 100 dB | 110 dB★ |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | SBC, AAC, aptX Lossless, LDAC, LC3 | 2026 Latest KZ ZST PRO X USB C Wired Headphones Type-C in Ear Monitors, 1BA 1DD Hybrid Driver Gaming Earbuds USB C Wired Earphones, Deep Bass Sound IEM for Gaming Music Video (USBC with mic, Silver) |
| Noise Control | ||
| ANC | ✓★ | ✗ |
| ANC Type | adaptive hybrid | — |
| Transparency | ✗ | ✗ |
| Connectivity | ||
| Wireless | ✓★ | ✗ |
| Bluetooth | 5.4★ | — |
| Profiles | A2DP, AVRCP, HFP | — |
| Multipoint | ✓★ | ✗ |
| Wired Connector | Bluetooth 5 | — |
| Range | 15 m★ | — |
| Earbud Battery | ||
| Battery Life | 11 hrs★ | — |
| Charge Time | 2 hrs★ | — |
| Fast Charging | 10 min for 2 hours playback | — |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 52 hrs★ | — |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✓★ | ✗ |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | 2 |
| NC Mic | ✓★ | ✗ |
| Features | ||
| Voice Assistant | Google Assistant | — |
| Touch Controls | ✓★ | ✗ |
| App | EarFun APP | — |
| Gaming Mode | ✓ | ✓ |
| Bone Conduction | ✗ | ✗ |
| Water Resistance | IPX5 | — |
Pros & Cons
EarFun Air Pro 4
- Strong sound (100th percentile)100th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong mic (97th percentile)97th %ile
- Strong user sentiment (97th percentile)97th %ile
- Below average affordability (23rd percentile)
KZ ZST ZSTPROX
- Strong social proof (96th percentile)96th %ile
- Strong sound (94th percentile)94th %ile
- Below average connectivity (25th percentile)
- Below average comfort (27th percentile)
- Below average anc (31st percentile)
- Below average build (34th percentile)
Verdict
Winner: EarFun Air Pro 4
Scores 83 overall, wins 7 of 7 usage categories and 14 of 38 specs.