The Koss Porta Pro Wireless supports 2 codecs (aptX, SBC). The Marshall Stanmore Multi-Room supports 1 codec (SBC).
| Codec | Koss Porta Pro Wireless Details | Change |
Marshall Stanmore Multi-Room Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | No | No |
| LDAC | No | No |
| AAC | No | No |
| UHQ | No | No |
| aptX | Yes | No |
| SBC | Yes | Yes |
| Bluetooth Version | 4.1 | 4.2 |
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