Fangrui Product Details Fangrui Product Details Supports Earc And Arc Inputs Hdmi, Fiber Optic, Rca, And 3.5mm Headphone Outputs (hdmi Only Transmits 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 Transmission Of 24bit/192khz Audio Sampling Rate Note:hdmi Output Only Outputs Audio, Not Output Video. This Product Is Designed To 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 Tvs 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. Rca And 3.5mm Headphone Output Volume Can Be Controlled By Tv Remote Control (cec) Supports Input Audio Channel Indicator Lights Input Interface:earc/arc Hdmi Output Version:hdmi 1.4 Hdm