Yes, in most cases you can use BeoRemote One as a replacement of Beo4.
However, some functions of your BeoRemote One, are not available, if the product you operate is intended for use with Beo4. See the Beo4 and BeoRemote One conversion here.
Note that in order to use BeoRemote One for a ‘Beo4’ product, you must first add the product to the BeoRemote One list. Then you must set the product to the correct Option. For more information, see the BeoRemote One online guide.
Note that in order to use BeoRemote One for a ‘Beo4’ product, you must first add the product to the BeoRemote One list. Then you must set the product to the correct Option. For more information, see the BeoRemote One online guide.