If you find the volume is a little soft, try adjusting the sound curve on your TV*.
Please open the Factory Settings Menu.
To do so we need to access the Factory Settings Menu by completing the following steps.
Press Input on the remote control
Press 2 5 8 0
Select Volume Curve and press OK
Select the volume Range, IE 0-9
Adjust the numbers you want to be closer together, IE 7 & 8, by using the left and right arrow keys
Press exit to go back to somewhere you can get sound, ie DTV or Antenna, and test the adjustment you made.
Rinse and repeat until happy with the curve of the volume sound.