The BLU J2 and Audio-Technica ATH-DSR9BT have 4 common Bluetooth A2DP audio codecs (aptX HD, AAC, aptX, SBC). The BLU J2 supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC). The Audio-Technica ATH-DSR9BT supports 4 codecs (aptX HD, AAC, aptX, SBC).
| Codec | BLU J2 Details | Change |
Audio-Technica ATH-DSR9BT Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | Yes |
| LDAC | Yes | No |
| AAC | Yes | Yes |
| UHQ | No | No |
| aptX | Yes | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 4.1 | 4.2 |
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