Product Model:  UHD3X1ABK (replaces the previous UHD3X1A model)

Product Features:

• HDMI 3x1 Switch Supports HDMI v2.0 / 18Gbps / HDCP v2.2 / HDR / ARC / Dolby Vision / CEC / Toslink Audio Output | 2CH D2A RCA L/R Audio Converter;
• Toslink Audio Output Supports ARC and incoming HDMI audio formats up to Dolby Digital 5.1CH and Dolby Digital Plus / DD+; Analog RCA L/R audio output supports incoming 2CH stereo HDMI audio format, RCA L/R output does not support ARC
• Built-in Input Auto Switch Function that can be enabled or disabled; Built-in Compatible Mode to support elder versions of 4K displays; backward compatible to all previous HDMI versions
• Full metal jacket construction for durability and reliability; One-year U9 ViewHD replacement warranty with a free extension option to 18 months
• Package Includes: Switch (Size: 160x65x23 mm), IR Remote Control, Universal (AC 100V -240V) to DC 5V2A Power Adapter with US plug, User Manual.

Product Description:

The UHD3X1ABK  is an HDMI v2.0 4K@60Hz 3 input to 1 output switch with Toslink and stereo RCA L/R audio outputs. It supports HDMI v2.0 top Spec of 18Gbps bandwidth / HDR / Dolby Vision / YCbCr 4:4:4 formats, not a cheaply made 4:2:2 or 4:2:0 knockoffs, even though they all can claim to support 4K@60Hz. 

Please make sure to use certified 18Gbps HDMI cable under 15ft for reliable performance. Please make sure to read the included user manual before operating this multifunctional switch, the user manual has info for additional warranty coverage free of charge; contact the seller for technical support if needed. 

Supports ARC "Audio Return Channel" application: ARC audio usually uses Dolby Digital 5.1CH format for home theater application, ARC audio is available from the Toslink optical port, NOT available from the RCA L/R analog stereo output. 

Troubleshooting Tips: If the TV has no audio, please verify the TV is not in ARC mode by using the TV's remote control to adjust TV's volume; use the ARC button on the front panel or on the remote to disable TV's ARC mode. 

ViewHD One Year Replacement Warranty