NÖRDIC HDMI Switch 4x1 allows up to 4 HDMI sources Share an HDMI display. The switch has optical and 3.5 mm ports for external speakers, amplifiers and SoundBars.switchen supports 4K @ 60Hz, HDR 10, HDCP2.2, RGB 4: 4: 4 and DOBLY-TRUE HD / DTS HD sound. Deep color to 36 pieces, maximum bandwidth of 18 Gbps / 600 MHz. The switch supports ARC (Audio Return Channel). Connect your TV HDMI (ARC) port to this switch with HDMI cable and then use optical Toslink-, coaxial, 3.5 mm or L / R cable to SoundBar, speaker, home theater, av-receiver etc. A Combined HDMI and MHL port for smartphones.hdmi-automatic switching with remote control. It does not allow automatic switching to Apple TV. Three audio mode switch settings: (Passport, 2CH and 5.1CH MODE) 3.5 mm audio output supports incoming 2CH PCM LPCM stereo sound Optical SPDIF output supports incoming 2CH PCM, 5.1CH DOBLY DIGITAL, 5.1 DIGITAL SURROUND, DOBLY TRUEHD, DTS HD. The switch is powered by the supplied AC adapter. The switch has manual control and remote control it is possible for the latest activated video source to display automatic support for different audio output simultaneously: Stereo and SPDIF Toslink support for resolution up to 4K 30Hz, YUV 4: 2: 0 support for 12 bit per channel (36 bit all channels) Depth Color support for HDCP 1.4 support for HDR10 support for compressed sound as DTS-HD Master Audio and Dolby Truehd, Dolby Atmossupport for Audio Return Channel Arcplug Play requires no driver content: switch, remote control, DC 5V power supply and manual measure: 10x5x2c weight: 80g