1、2 in 2 out Mixer: Each sound output has independent knob control for accurate sound adjustment, making it easier to control input and output levels. 2、Built in Preamp: The digital mixer's converter features a built in preamp function, enhancing the overall performance of the microphone, reducing noise, improving quality, and beautifying the sound. 3、Versatile Connectivity: The 48V mixer has 2 input channels and 2 output channels, allowing simultaneous processing of two sound sources. Combo input jacks support XLR and 1/4in (6.35mm) plugs for microphones, guitars, instruments, or line level signals. 4、Professional Sound Interface: 2 in 2 out mixer is suitable for live performances, instrument recording, short video production, game voice chat, professional recording, and online conferences. 5、Metal Construction: 2 in 2 out mixer is made of metal and supports sampling rates of 48K16BIT, 192K24BIT, 384K32BIT with a frequency response of 20Hz to 20kHz, ideal for home theaters, portable sound players, smartphones, karaoke players, computers, and stages.