Key Features & Products Highlights:  Built-in Amplifier  Work with a Common WIFI System or WISA dedicated System  No More Cable Pulling; connect to direct power or Through POE  Bluetooth Speakers can assigned a password to avoid unauthorized access.  Single-Zone or Multi-Zone Options  IOS & Android App  IP44 Speakers for Bathroom, Spa, Sauna, etc.  IP65 Speakers for Outdoor Areas