1、Designed for professional audio signals, it can easily convert the coaxial or for Toslink interface to for RCA analog audio interface and 5mm headphone jack. 2、A professional audio amplifier chip and volume adjustment knob are designed to directly drive the earphones to adjust the output volume. 3、The product is also designed with a bass adjustment knob, which can conveniently control the bass components to meet different needs. 4、Plug and play is more convenient, no need to install drivers, the sound can be synchronized after connecting. 5、Multi-compatible conversion is not restricted, compatible with TV, for Blu-ray DVD, set-top box. 6、Exquisite sound quality anti‑jamming technology, electronic noise reduction + metal shell, anti‑jamming double guarantee technology, reducing current noise while enhancing audio effects, clear transmission of beautiful tone. 7、For PS4/for Xbox One and other game devices, connect the converter to the audio headset with the optical fiber interface. 8、High‑performance audio chip, design professional audio amplifier chip support, 192kHz, 24bit sampling rate to directly drive the earphone, adjust the output volume, you can easily control the bass component to meet different customer needs.