Supports eARC and ARC inputs HDMI, fiber optic, RCA, and 3.5mm headphone outputs (HDMI only mits audio signals and no images) HDMI output supports up to HD 5.1 and HD 7.1 channels. Fiber optic interface supports up to 5.1 channels Supports mission of 24bit or 192KHz audio sampling rate RCA and 3.5mm headphone output volume can be controlled by TV remote control (CEC) This product is designed to Nsendato of upgrade amplifiers or soundbars that do not support eARC function to be able to connect with TVs that support eARC function, so that they can obtain high-definition audio through the TV's eARC channel. It can also connect the audio signal of a TV that supports eARC to an amplifier or headphones through the fiber optic and analog stereo interfaces of this eARC audio converter. This eARC audio converter is also compatible with TVs that have ARC function. Supports input audio channel indicator lights Input interface:eARC or ARC HDMI output version:HDMI 1.4 HDMI output resolution:720P(HDMI only mits audio signals and no images) Output interface:HDMI fiber optic1, RCA2, 3.5mm1 Supported audio formats:Compatible-PCM or AC3 or DTS or DDand or DTS-HD or Master audio or DOLBY True HD Power interface:DC5.5 Power voltage and power consumption:DC5V or 300mA Notes: 1. The RCA Cable not including 2. Please select the link of model if your hdmi port mark with eARC or ARC. Colour:Black Material:Aluminum alloy Package Contents: 1 x ARC Audio Extractor 1 x USB Cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.