This product provides RCA input and output interface, you can use it to choose more input and output sources, such as input accompaniment. It also provides volume balance adjustment for input accompaniment and microphone, as well as internal recording function 【24-bit/192kHz】 The device has 24-bit/192kHz audio resolution, high-quality conversion is the key to achieve high-quality audio, which can make your recordings clearer and better 【Easy to use】 The product does not need to install complicated drivers, and the product can be used directly by connecting the supporting USB to the product and computer. (Note: If you want to record, you need to download and use the recording software on your computer. This product supports all free recordings. software and racks) Specification: