Blackmagic Design Mini Converter HDMI to SDI 4K (CONVMBHS24K) SDI Video Output: Automatically matches the SD, HD and 6G-SDI HDMI video input. Analog Audio: 2 channels of professional balanced analog audio with standard 1/4 inch jack connections. AES/EBU Digital Audio: 2 channels of professional balanced digital with standard 1/4 inch jack connections. HDMI: HDMI type A in Multi Rate Support: Auto detection of SD, HD or 6G-SDI.