The AC2 is an entry-level audio interface sound card with 32-bit/192khz high
sampling rate, supports dual microphone input 48V phantom power
supply, and supports high-impedance electronic musical instrument
recording. A major feature is that it has a hardware internal recording
function, which can record computer sound to the input with one key,
and has a microphone and computer background sound mixing balance
adjustment. In addition to computers, it can also be used for mobile
phones.