< p> 1、Deliver reliable 48V phantom power for condenser microphones and transfer audio signal to computer sound card or relevant audio device. < p>2、Ultra low-noise audio performance and full-frequency response. < p>3、Made of high quality aluminium metal material and adopting surface anodic oxidation treatment the product is sturdy durable. < p>4、Stable filter circuit design to filter out AC signal interference and shield external audio device interference < p>5、Suitable for personal recording professional recording studio radio stations live programs classrooms lectures conference rooms and so on.