Yes, you can use the Bang & Olufsen App to set your preferred limit for the sound level by selecting sound settings on the Beosound 1 product page. 
You can download the Bang & Olufsen app here

1.  1

   Open the Bang & Olufsen app

   • Once the Bang & Olufsen app is open, tap on Beosound 1 to open the product page. If your Beosound 1 is not added to the Bang & Olufsen app, learn how to do so here.
2.  2

   Customise the sound levels

   • Access the sound setting menu. 
   • Scroll down on the Beosound 1 product page and tap on "Sound settings."
   • Default volume: This is the volume level that Beosound 1 starts playing at when switched on.
   • Max volume: Sets the maximum possible volume level for your Beosound 1.
     
     Note: The default volume level for Beosound 1 cannot exceed 60. This is to prevent hearing damage.

Note: Images shown are for illustration purposes only and may not be an exact representation of the current app version.