The Blackbird 4K HDMI Scaler and Audio Extractor is the perfect component for any home entertainment system. With this extractor; you can play content from a 1080p or MHL mobile device onto a UHD 4K display and audio system; using an external amplifier or AV receiver. The Blackbird accepts from a 1080p HDMI source or from an MHL -enabled mobile device via the Micro USB port. In addition to the ultra high resolution (UHD) video output; the audio signal is duplicated on the digital optical S/PDIF (Toslink ) audio output; for separate processing on an external amplifier or AV receiver. Three DIP switches control EDID and scaling behavior; including a pass-through option; as well as three fixed audio and scaling options. Features: Supports UHD 4K resolution (3840 x 2160p) Scales 1080p to 4K UHD resolution S/PDIF digital optical (Toslink) audio output HDMI input compliant with MHL 2.0 HDCP Compliant Supports 36-bit Deep Color at 1080p@60Hz resolution Supports PCM; Dolby Digital ; DTS Digital Surround audio CEC pass-thru 5 VDC; 1A AC power adapter included Blackbird is a trademark of Monoprice Inc. HDMI ; the HDMI Logo; and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. MHL ; Mobile High-Definition Link ; and the MHL Logo are trademarks or registered trademarks of MHL; LLC. Toslink is a registered trademark of Toshiba Corporation. Dolby ; Dolby Digital ; and the double-D symbol are registered trademarks of Dolby Laboratories. DTS is a registered trademark and the DTS logos; Symbol; DTS-HD ; and DTS-HD Master Audio are trademarks of DTS; Inc.