USB Line-in Controller Series have Line-in and headphone output interface, can be directly connected to headphones, amplifiers, music recording, playback and other applications by the USB port. 3S Audio IC offers a variety of control signal interfaces such as I2C, I2S, GPIO, can be used with the different MCU or DSP core, to provide sufficient and flexible design space for systems design industry.

In addition, based on the different models provide audio software, support multi-band EQ equalizer, 3D sound and sound space design. 3S provides a full range of multimedia audio solutions, is the best choice for the production of USB Audio application vendors.