Connect and select multiple HDMI sources to your HDMI display or projector via a single cable
4K 18G HDMI Switchers with Optical, PCM, L/R, and Balanced/Unbalanced Audio, IP Control
KD-Pro2x1X
2x1 4K/18G HDMI Switcher with De-Embedded Audio Output (Optical/Balanced Audio) and IP Control 
KD-Pro4x1X
4x1 4K/18G HDMI Switcher with De-Embedded Audio Output (Optical/Balanced Audio) and IP Control 
4K 18G HDMI Switchers with L R and Optical Audio and De-Embedded Audio Output - Slim Profile
KD-S2x1X
2x1 (4K@60Hz/18G/444) HDMI Switcher with L/R / Optical Audio & De-Embedded Audio Output
KD-S4x1X
4x1 4K/18G HDMI Switcher with L/R & Optical Audio De-Embed Output 
4K 18G HDBT PoH Wall Plate Switchers
KD-X4x1WUTx
4x1 4K/18G 100m HDBT PoH Wall Plate Switcher with 2xHDMI, DP, USB-C, USB, LAN, Audio De-Embed, IR, RS-232, IP Control, CEC Manager (Tx Only)
KD-X3x1WUTx
KD-X3x1WUTX - 3x1 4K 18G 428 ft (100m) HDBaseT Transmitter Wall Plate with Auto Switching, HDMI, DisplayPort and VGA Inputs, USB 2.0, LAN, CEC Control Keypad, Audio De-Embed, IR and RS-232 Pass-Thru, IP Control, Power over HDBaseT. KD-App and KDPlug & Present™ Ready.
KD-X2x1WDTx
2x1 4K/18G 40m HDBT PoH Wall Plate Switcher with HDMI & DisplayPort, IR, RS-232 (Tx Only)
KD-X2x1WVTx
2x1 4K/18G 40m HDBT PoH Wall Plate Switcher with HDMI & VGA, IR, RS-232 (Tx Only)
4K 18G HDMI Switchers with Audio De-Embedding
KD-Pro2x1
2x1 4K/18G HDMI Switcher, Audio De-embedding of Analog L/R Balanced/Unbalanced & Digital Coaxial Audio (NOTE: LIMITED SUPPLY)
KD-Pro4x1
THIS PART HAS BEEN DISCONTINUED - REPLACED WITH KD-Pro4X1X
4K 18G HDMI Switchers - Slim Profile
KD-S2x1
2x1 4K/18G HDMI Switcher (NOTE: LIMITED SUPPLY)
KD-S4x1
THIS PART HAS BEEN DISCONTINUED - REPLACED WITH KD-S4X1X