1、192KHz 24 bit digital to analog audio converter (bass/volume control and USB sound card) DAC audio converter converts digital optical or coaxial PCM audio signals into analog RCA and 3.5 mm jack audio. 2、This USB interface only supports PCM format, and the sampling rate is up to 48KHz/24bit. Connect the USB interface of the notebook computer to the audio converter through a dedicated USB. 3、The volume adjustment knob of the digital to analog converter can directly drive the headset and adjust the volume, which is very convenient and fast, and it is necessary to change the volume at any time. 4、The bass adjustment knob can provide powerful stereo and heavy bass effects, creating a perfect environment different from the sound field, allowing you to enjoy the world of bass. 5、It can be used in for PS3 notebook computers HD DVD home theater systems, etc., to meet the multi purpose needs of users, and plug and play, without too much complicated operations.