NAD MDC BluOS 2i Multi Room Music Streaming av cabletype subwoofer covered in an attractive black 1 19mm aluminum dome covered in an attractive black mesh jacket and terminated into gold plated JBL brings patented loudspeaker technology and innovative digital amplifier design trusted by movie theaters and studios worldwide Both Ethernet and Wi Fi operate in asynchronous mode for lowest jitter performance and allow connection to music stored anywhere on the local network or streamed directly from the Internet using popular music services like Spotify Connect As an internal module there are no external wires or power supplies required and integration with the firmware is hand in glove