14. What is the difference between K7, K9 AKM and K9 AKMPro?

The main functional differences between K9 AKM and K9 AKMPro:

1. Cancel the Type-C port on the side in K9 AKM

2. Cancel MQA support, the highest sampling support of K9 AKM is PCM768k, DSD512; coaxial support DSD64 (DOP)--K9 AKMPro only supports PCM384k, DSD256, and does not support coaxial DSD decoding

3. The RGB indicator changes to cyan blue when playing 48k and below in K9 AKM (K9 AKMPro is dark blue)

4. Support UAC1.0 and UAC2.0: You could switch UAC mode through FiiO Control APP

5. In Bluetooth mode, PEQ is supported in K9 AKM.

6. Change the filter settings to 3 in K9 AKM (K9 AKMPro E is 6, K9 AKMPro is 7)