Sony WH-CH520 vs Redmi Buds 4 Pro
Compare specifications, current prices and availability. Choose up to four products from the same family.
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Shokz OpenDots OneKSh 24,000
Soundcore C50i Open-Ear EarbudsKSh 7,960
JBL Tune T460BTKSh 6,500
JBL Wave BudsKSh 8,000
Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Sony WH-CH520 |  Redmi Buds 4 Pro |
|---|---|---|
| Price | KSh 7,500 | KSh 8,000 |
| Drivers | 11.82 in | 10mm aluminium-alloy dynamic driver + 6mm titanium-diaphragm driver |
| Connection | Bluetooth + No | Bluetooth |
| Active Noise Cancellation | No | Up to 43dB Hybrid Active Noise Cancellation |
| Battery Life | Up to 50 hours | Up to 9 hours; up to 36 hours with charging case |
| Water & Dust Resistance | — | IP54 Dust and Water Resistant |
| Weight | Approx. 5.19 oz, Approx. 5.2 oz | — |
Full specifications
2 of 4 products
General
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Brand | Sony | Redmi |
| Model | WH-CH520 | Buds 4 Pro |
| Announced | 2023 | 2022 |
| Type | Over-Ear Wireless Headphones | True Wireless In-Ear Earbuds |
| Color | Official colorways vary by market and selected variant | Official colorways vary by market and selected variant |
Design
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Weight | Approx. 5.19 oz, Approx. 5.2 oz | — |
Battery & Charging
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Battery Life | Up to 50 hours | Up to 9 hours; up to 36 hours with charging case |
| Charging Time | Approx. 3 H | — |
| Charging Port | USB-C | Type-C |
| Wireless Charging | No | — |
| Fast Charging | — | 5 mins charge = 2 hours playback |
Connectivity
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Connection | Bluetooth + No | Bluetooth |
| Bluetooth | Bluetooth 5.2 | v5.3 (Ultra-low latency) |
| Bluetooth Range | 32.81 ft | — |
| Connector | N/A - wireless audio connection | — |
| Cable Length | N/A - no audio cable | — |
| App Support | Sony | Sound Connect | Xiaomi Earbuds App |
Features
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Special Features | Digital Sound Enhancement Engine; multipoint | Hi-Res Audio Wireless; dual-device connectivity |
Audio
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Drivers | 11.82 in | 10mm aluminium-alloy dynamic driver + 6mm titanium-diaphragm driver |
| Frequency Response | 20 Hz–20,000 Hz (44.1 kHz Sampling) | 20Hz – 40kHz |
| Audio Codecs | SBC, AAC | LDAC, AAC, SBC |
| Active Noise Cancellation | No | Up to 43dB Hybrid Active Noise Cancellation |
| Transparency / Ambient Mode | No | — |
| Microphones | Built-in microphones | 3-mic system per earbud for ENC call> |
| Audio Features | Dsee | — |
| Impedance | — | 24Ω |
Charging Case
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Case Type | N/A - no charging case | Charging case |
| Case Battery Life | N/A - no charging case | Included in the total battery-life figures above |
| Case Charging | N/A - no charging case | USB-C |
| Case Charging Port | N/A - no charging case | USB-C |
| Case Wireless Charging | N/A - no charging case | — |
| Case Dimensions | N/A - no charging case | — |
| Case Weight | N/A - no charging case | — |
| Case Water & Dust Resistance | N/A - no charging case | — |
| Case Features | N/A - no charging case | Protective charging case |
Design & Controls
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Controls | Volume control | Touch controls for playback, calls and listening modes |
| Ear Tips / Ear Cushions | Cushioned earcups | — |
| Water & Dust Resistance | — | IP54 Dust and Water Resistant |
What's in the Box
| Specification | Sony WH-CH520 | Redmi Buds 4 Pro |
|---|---|---|
| Headphones / Earbuds | WH-CH520 headphones | Buds 4 Pro earbuds |
| Charging Case | N/A - no charging case | Charging case |
| Charging Cable | USB Cable | USB-C charging cable |
| Audio Cable | N/A - not included | N/A - true wireless design |
| Ear Tips / Accessories | N/A - over-ear design | Ear tips/accessories supplied for the product design |
| Documentation | Quick start and safety documentation | Quick start and safety documentation |
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