[HDMI ARC] - On the HDMI interface that supports ARC, TVs and projectors can return high resolution audio signals through the ARC to the decoder via the HDMI cable, and the decoder decodes the audio output to the amplifier or speakers without connecting a separate audio Cable.
[HDMI (X1) 4K 3D HD] - HD HDMI with one input, one output, fiber optic coaxial input, support for HDCP, ARC and 4K resolution, suitable for various network boxes or set-top boxes and other standard HDMI -Interface devices to achieve 5.1 CH surround sound system.
[WIDE COMPATIBILITY] - With SPDIF / coaxial input and 2.0 / 5.1ch RCA + 3.5mm audio output, suitable for Blu-ray, DVD, PS3, PS4, HDTV, etc. (Note: The RCA output should be connected to the amplifier first, but not directly to the speakers.)
[5.1CH LOSSLESS SOUND QUALITY SURROUND] - Built-in high performance RTOS operating system, supports DTS / DOLBY AC3 / LPCM / PCM format, USB sound card supports WINXP / WIN7 / WIN8 / WIN10 and other system source code input.
[AUDIO-DECODER] - Decode HDMI, Bluetooth, fiber optic, coaxial, PC-USB, U-disk playback and other audio into a 2.0 or 5.1 independent channel output (6 channels) and amplify the volume via a power amplifier or an active loudspeaker output.