Independent knobs adjust high, medium and low frequencies, and enhance the low-frequency shock or highlight the clarity of the human voice with one click. Compatible with a wide range of interfaces, supporting multiple interfaces: coaxial, optical fiber, TYPE-C, RCA, 3.5mm audio input. Bluetooth connection, more convenient to switch between different devices, the connection is not limited by wires, and wireless supports high-resolution audio transmission. Directly connected to the sound card, music producers can accurately monitor the mixing details, switch between wired/wireless mode with one click, and capture inspiration at any time. Support for PS4 XBOX and other game consoles to connect to speakers or headphones through DAC headphone amplifiers. Product name: Digital analog headphone amplifier Power supply: DC 5V Input: Type-c (computer, mobile phone)/3.5 stereo/optical fiber/coaxial/Bluetooth left and right channels Output: Type-c (computer, mobile phone)/3.5mm stereo/headphone Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: Black Material: Metal Package Contents: 1 x Stereo Line Mixer 1 x USB to TYPE-C cable 1 x TYPE-C to TYPE-C cable 1 x USB to 3.5mm cable 1 x power plug