Fangrui Product Details Arc Function (audio Return Channel): Extract Tv Audio To Soundbar Or Amplifier. Please Connect Tv (arc) Port To Audio Adapter Output Port With Cable, Then Optical Cable/l/r Or 3.5mm Headphone To Soundbar, Speaker, Home Theater, A/v Receiver, Etc. Reach 192khz Sampling Rate - It Actually Supports Sampling Rates Of 32, 44.1, 48, 96 And 192 Khz, And 24-bit S/pdif Input Bitstream On Left And Right Channels. Please Use 1.4 Cable (19+1), Please Note: Manual Adjustment Of Speaker Volume Is Required. Tv Remote Control Cannot Change Volume, Tv Remote Control Cannot Change Volume Simultaneous Audio Output - This Arc Adapter Can Send Audio From Tv (support Arc Function) To Optical/coaxial/3.5mm/l/r Audio Via /arc Interface, And Output Audio At The Same Time. (note: Not Compatible With Ac3 / Digital Plus, Etc., Please Set The Audio Output To Pcm Or Lpcm Before Use). Widely Used: Supports All Hdtvs With Arc Function. Spdif / Coaxial, Optical, And 3.5mm Headphone Jacks, 4 Output Ports, Well Solve The Interface Compati