The Oppo K9s and Sony MDR-ZX770BN have 2 common Bluetooth A2DP audio codecs (aptX, SBC). The Oppo K9s supports 3 codecs (aptX HD, aptX, SBC). The Sony MDR-ZX770BN supports 3 codecs (AAC, aptX, SBC).
| Codec | Oppo K9s Details | Change |
Sony MDR-ZX770BN Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | No |
| LDAC | No | No |
| AAC | No | Yes |
| UHQ | No | No |
| aptX | Yes | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 5.2 | 3.0 |
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