The Sony MDR-ZX770BN supports 3 codecs (AAC, aptX, SBC). The Bowers & Wilkins PX supports 4 codecs (aptX HD, AAC, aptX, SBC).
| Codec | Sony MDR-ZX770BN Details | Change |
Bowers & Wilkins PX Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | No | Yes |
| LDAC | No | No |
| AAC | Yes | Yes |
| UHQ | No | No |
| aptX | Yes | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 3.0 | 4.1 |
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