How long is the battery life?

The battery life changes depending on the model and the settings. For details see below:

• RDP-V20iP
  Approx. 5 hours of use
  
• SRS-X7
  When the NETWORK OFF/ON switch is OFF: Approx. 6 hours
  When the NETWORK OFF/ON switch is ON: Approx. 3 hours
  
• SRS-X11, SRS-X33, SRSXB2, SRS-X1, SRS-HG1
  Approx. 12 hours of use
  
• SRS-XB3
  Approx. 24 hours of use
  
  NOTES:
• • For models other than the above, refer to the manual supplied with the product.
  • The actual battery life will vary depending on the temperature, the equalizer settings of the audio input device, etc.