audio interface or extarnal sound card

audio interface also known as DAC (digital audio convertor) use to convert our analog audio signals to digital audio signals via usb .... thay provides good sound quality 24-Bit / 192 kHz . they provide 0 latancy while you recording your track .. in market there are many dac .. like focusrite presonus alto allen and helth stainberg etc ... these are 2 provides u best quality production