With built-in for Spotify Connect, AudioCast AMP lets you stream directly from the cloud.Start a stream from your mobile device and AudioCast AMP will play stream content uninter-rupted even if you switch your phone off. But it will also allow you to amplify analogue sources, which simply connect in wired mode. AudioCast AMP is a WiFi and Bluetooth Class D amplifier with built-in 24bit DAC.Designed to provide a high quality audio streaming solution that is easy to install and configure, its advanced integration features allow it to amplify the audio signal from a TV screen to broadcast to local speakers.Wireless connection modes (Wi-Fi and Bluetooth) provide instant access to millions of high-definition music titles. When you add another AudioCast products to your network, you can establish a connection between the different devices in Wi-Fi. You can play your music in all the rooms simultaneously or a different music in each room, as you want. Type:Wireless Multi-Room Stereo Amplifier Inputs:WiFi,BT V5.0,AUX in,Optical in,USB Wireless network compatibility:IEEE802.11 b/g/n 2.4GHz Number of output channels:2 Supported audio formats:APE/FLAC/MP3/WAV/AAC/AAC+/WMA/ALAC Streaming Protocol:DLNA,Airplay,Spotify connect,Qplay Audio Decoding:Up to 24bit/192KHz Resolution:44.1kHz/24bit Ethernet:10/100M Smart home control:TCP/IP Bluetooth:V5.0 Bluetooth Audio codec: SBC Voltage: AC100-240V Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Color: Black Material: ABS Package Contents: 1 x AudioCast AMP player 1 x power adapter 1 set x cable(Colors are random, no specified colors are accepted)