<b>RuiPuo Audio Interface </b><br> It is the most popular audio interface for all artists.<br> A method of connecting microphones and musical instruments or line-level audio signals to a computer as running Mac OS or Windows.<br> In addition to the XLR microphone input, a 1/4" input with instrument/line switch is also provided, allowing it to receive signals from a guitar, bass, synthesizer, or drum machine.<br> The 24-bit/192 kHz converter ensures the detail and clarity of signal capture and reproduction.<br> Listen through headphones or connect active speakers to a balanced 1/4-inch monitor output.<br> Power and transfer data via USB Type C, so you can take it to wherever your Mac or Windows computer can use it.<br><br> 【48V】*【INST】*【MONITOR】ARE TOUCHABLE~<br> illuminates when turn on the touch switch.<br> 【INST】： Instrument/Line level switch for Input 2–switches gain to suit instrument or line level signals.<br> illuminates blue when Instrument mode is selected.<br> 【MONITOR】：Power ON/OFF<br> main monitor output level control the output level at the rear panel outputs and the front panel headphone outputs.<br> 【USB LED 】： illuminates when the unit receives USB bus power and is confirmed by the computer as connected and operating correctly.<br> 【Headphone】 ： ¼” TRS output jack. <br> If your headphones have a ¼” TRS jack plug, connect them directly; <br> if they have a 3.5 mm TRS “mini jack”, use a TRS ¼”-to-3.5 mm jack adaptor. <br> Note that it is likely that headphones fitted with 4-pole TRRS plugs will not operate correctly.<br><br> <b>Features</b><br> 1.Input 1 ：electronically balanced input via 3-pin XLR socket for microphone.<br> 2.Input 2 ： ¼” TRS jack socket for connecting instruments (unbalanced) or line level (balanced) sources.<br> 3.GAIN 1 ：adjust the gain for the microphone signal at Input 1.<br> The gain controls have concentric tri-colour LED ‘rings’ to confirm signal level: <br> Green/Blue/Red indicates low/medium/high input level.