The first versions of SonosNet required a single ZonePlayer or ZoneBridge to be wired to a network for access to LAN and Internet audio sources or when creating a 3.1/5.1 surround setup. SonosNet 2.0 integrated MIMO on 802.11n hardware, providing a more robust connection.
To access LAN and Internet audio sources or to set up a 3.1/5.1 surround system, the first versions of SonosNet required a single ZonePlayer or ZoneBridge connected to a network. SonosNet 2.0 enhanced its hardware with MIMO on 802.11n, resulting in a more robust connection.