Digital Media PlayerNW-A25/A25HN/A26HN/A27HN

Customizing sound quality settings

You can use various functions to set the desired sound quality.

  1. From the Home menu, select [Settings].
  2. Select [Music Settings] - [Sound Settings] - desired function - desired setting.

Equalizer function

You can set the sound quality according to the music genre. You can also preset your equalizer settings as a custom setting.

VPT (Surround) function

You can set sound effects and enrich the sound reproduction quality of the audio playback. VPT, which stands for Virtualphones Technology, is a proprietary sound processing technology developed by Sony.

[Clear Stereo] function

This function uses digital processing to clearly distinguish between sound from the left and right of the headphones, emphasizing the stereo effect during playback.


  • You can also set some sound quality items from the option menu in the music playback screen.


  • The following settings cannot be changed while the [ClearAudio+] function is set to on.
    • [Equalizer]
    • [VPT (Surround)]
    • [Clear Stereo]
  • The [Clear Stereo] function is optimized for use with the compatible headphones. The compatible headphones are MDR-NW750N/MDR-NW750NE. The effect of the [Clear Stereo] function may not work well with headphones other than the compatible ones. Set [Clear Stereo] to [Off] when using headphones that are not compatible.
  • The [Clear Stereo] function does not work while listening to music using headphones connected via the Bluetooth function.