Internet Radio Streaming Amplifier. Adastra STA40-WIFI Internet Radio Streaming Amp. FREE App download with 1000’s of Radio Stations, News Channels & more!


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Internet Radio Streaming – STA40-WIFI Internet Radio Streaming Amplifier

This internet radio streaming device; contains a Class-D miniature amplifier delivering 2 x 20W power with WiFi streaming capability. Controlled from an Android or iOS smart phone; the STA40-WIFI is compatible with freely available apps; to stream music and podcasts directly from the local wireless network. Wireless streaming of tracks and playlists stored on a smart phone can be sent by direct wireless link or via the local network; offering much greater range than Bluetooth playback.

Embedded internet radio offers high quality digital audio from almost any online radio station or podcast available worldwide. Subscription services can store online playlists which can be cast directly from the internet without requiring the smart phone to be connected to the network. A line input is selectable for connection to a TV; CD; DVD or other playback device if required.

This internet radio streaming device provides a versatile “hands off” background music solution; for continuous playback of music from internet services with smart phone control for bars; cafes; restaurants; reception areas and house parties.


  • Efficient class-D 2 x 20W amplifier
  • Integrated WiFi module
  • Control via smart phone over WiFi
  • Compatible with Android & iOS apps
  • Playback for internet radio & subscription services

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Additional information

Dimensions150 × 135 × 48 mm