HDMI™ Matrix 2PET0402A-AX HDMI™ 4×2 Matrix Support 4K@60Hz 4:4:4 with Downscaler, Dual-way Audio and Audio Return Channel and EDID Control 2PET0404A-AX HDMI™ 4×4 Matrix Supports 4K@60Hz, Dual-way Toslink/stereo Audio Extractor, EDID Control and RS232
