4K 18G HDMI Switchers with Optical, PCM, L/R, and Balanced/Unbalanced Audio, IP Control
KD-Pro2x1X
2x1 4K/18G HDMI Switcher with Optical, PCM, L/R, and Balanced/Unbalanced Audio, 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@60Hz/18G/444) HDMI Switcher with L/R / Optical Audio & De-Embedded Audio Output
4K 18G HDBT PoH Wall Plate Switchers
KD-X4x1WUTx
4x1 4K/18G 100m HDBT PoH Wall Plate Switcher with 2x HDMI, DP, USB-C, USB, LAN, ARC, Audio De-Embed, IR, RS-232, IP Control, CEC Manager™. Transmitter Only
KD-X2x1WDTx
2x1 4K/18G 40m HDBaseT PoH Wall Plate Switcher with HDMI & DisplayPort, IR, RS-232 (Transmitter Only)
KD-X2x1WVTx
2x1 4K/18G 40m HDBaseT PoH Dual-Gang Wall Plate Switcher with HDMI & VGA, IR, RS-232. Transmitter 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
KD-Pro4x1
4x1 4K/18G HDMI Switcher, Audio De-embedding of Analog L/R Balanced/Unbalanced & Digital Coaxial Audio
4K 18G HDMI Switchers - Slim Profile
KD-S2x1
2x1 4K/18G HDMI Switcher
KD-S4x1
4x1 4K/18G HDMI Switcher