This product: supports 1000G hard disk, 1000GU disk and 1000G memory card playback, and the capacity is backward compatible.
Tip: If there is noise and interference when the decoder is tested with headphones, it is because the audio ground wire and the power ground wire are not connected, just connect it with a wire to solve it. If it is connected to an amplifier, ignore it, and after connecting the amplifier The automatic audio ground wire and the power ground wire are connected.