Feature:1. 24 Bit 192kHz Sampling Rate: High definition sound quality of up to 24 bit 192kHz makes the hearing effect clear and full of details, and low noise is guaranteed for both input and output.2. Applicability: Suitable for home project studios, it can mix the audio input from streaming media, realize synchronous data transmission to the Internet, and realize internal recording, cover singing and live K song on the sound card. Can be connected to various devices, computers, smartphones, guitars, microphones, headphones.3. High Speed USB2.0 Drive Free Connection: Drive free connection through USB2.0 cable, when recording and power supply connection, it needs to be powered by 5V MicroUSB port to become a device for mobile music production and performance.4. Low Cut High Pass Filter: Turning this switch on will apply a high pass filter that attenuates frequencies below 100Hz with a slope of 12dB/octave.5. Gain Knob: Sets the volume of the mic or line input signal supplied to this channel. The GAIN knob is used to adjust the sensitivity of the mic and line input signals. This allows the external signal to be adjusted to the desired internal control level.Specification:Item Type: USB Live Sound CardProduct Material: MetalInput:Gain: Mic Amp: 0dB-50dB, Line: -10dB-40dBMonitor Headphones: 0dB Gain Is Adjusted To The Minimum, All Gains Are Adjusted To The MaximumStereo Output: 0dB Gain Turned To Minimum, All Gains Turned To MaximumOutput:Mono:Mic Put Measured Parameters: 4dB-60dBLine Measured Parameters: -15dB-45dBCommon Mode Rejection Ratio: 74dBLow Cut: 100HzEquivalent Noise Input: -128dB.Package List:1 x Sound Card1 x User Manual1 x Power Cord