The Karbonn A1+ and Audio-Technica ATH-DSR9BT have 1 common Bluetooth A2DP audio codec (SBC). The Karbonn A1+ supports 1 codec (SBC). The Audio-Technica ATH-DSR9BT supports 4 codecs (aptX HD, AAC, aptX, SBC).
| Codec | Karbonn A1+ Details | Change |
Audio-Technica ATH-DSR9BT Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | No | Yes |
| LDAC | No | No |
| AAC | No | Yes |
| UHQ | No | No |
| aptX | No | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 2.1 | 4.2 |
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