【Immediate Purchase Available・Shipping Included】Portta Analog to Digital Audio Converter Adapter with Separate USB Power Adapter This is an Analog to Digital audio converter adapter (analog to digital conversion). It converts R/L stereo analog signals to S/PDIF (optical & coaxial) digital signals. ADC converter. Since I don't use it every day, there are minor scratches from normal use, but there is no peeling of the printing. Please understand that this is a used item and make your decision based on the photos. No returns or refunds. ◾️Features Input terminals: 2XRCA(R/L), Output terminals: Optical digital, Coaxial digital Supports uncompressed LPCM 2ch digital audio signal output. Supported signal format: 48kHz Provides electromagnetic noise-free transmission Set contents Analog to digital converter ×1 USB power cable ×1 English manual ×1 ◉I will include a separately sold USB power adapter, so you can use it as soon as it arrives (commercial products only come with a cable, and you need to purchase a separate power adapter). Note: 1.) 5.1ch is not compatible! Audio such as DOLBY, Dolby-AC3, Dolby Digital, and DTS are not supported! Please set the input source to "PCM / LPCM". 2.) This product is a converter that converts analog signals to digital signals. Please note that it cannot convert digital signals to analog signals. 3.) When adjusting the volume, adjust the volume of the TV. 4.) If there is no sound: Set the audio format of the external speaker to PCM.