No HDMI output connection is required to receive audio from the analog and optical outputs. Featured with EDID dip switch for manual control of audio output mode. Fully compliant with HDMI 1.3, HDCP 1.1 and DVI 1.1 standards. Supports all HD video inputs at 4Kx2K, 1080p, 1080i,720p, 576p and 480p.24-bit DAC with sampling rate up to 192 KHz for accurate bit-for-bit duplicate of sound. Enjoy the decoded audio output with directional sound effects. All sonic details are retained from the original HD feeds after the decoding.Supports pass-through of deep color, Lip-Sync, Dolby TrueHD, DTS-HD MA and 3D information. Supports CEC. Maximum HDMI bandwidth at 300Mhz.Supports new 36-bit digital video formats in deep color mode from 25MHz to 225MHz (12 bits/color). Easy front panel control with LED status indicators. Ultra high video amplifier bandwidth up to 2.25Gpbs/ 225 MHz to ensure sharp detailed images and fine audio quality.Premium HDMI LPCM 5.1 7.1 audio decoder. Cost-efficient HDMI LPCM 5.1 7.1 solution for integrating the new HDMI-based AV equipment into analog receivers or home theater systems using the multi-channel cable or fiber optic cable connection. Decodes uncompressed HDMI LPCM 7.1 or 5.1 into multi-channel analog surround sound for amp, receiver or powered speakers. Note: : DD and DTS audio can not be decoded by this unit. Only LPCM 5.1 7.1 or PCM 2CH accepted.