Build Your Wireless Streaming Audio System: Add WiFi, Airplay, Spotify Connect and Bluetooth 5.0 wireless capability to your DIY audio projects. Bring Multiroom Capabilities to Your Next Project: Our wide range of D50 boards are small enough to fit in all kinds of audio projects. Brilliant Sound Streamed Directly From Your Favorite Providers: Spotify, Tidal, Qobuz, Deezer, Napster, TuneIn, Internet Radio, iHeart Radio, QQ Music, QQ FM. The D50 connects directly to your online streaming providers to play high quality audio, avoiding Bluetooth bottlenecks and compression. For example, it supports adding an ESS 9023 DAC to increase the sound quality, an S/PDIF In/Out board, Button Board, Volume Knob board, IR remote indicator board and more. The default S/PDIF setting of D50 is S/PDIF Out, which can be adjusted to S/PDIF In via the ACPWorkbench tuning tool. Add WiFi, Airplay, Spotify Connect and Bluetooth 5.0 wireless capability to your DIY audio projects. Our wide range of D50 boards are small enough to fit in all kinds of audio projects. Their size and powerful connectivity brings life to vintage gear and ideas for your next DIY build. Color: Black Material: PCB Package Contents: 1*Module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.