... signal order check can work simultaneous. *Can use on line, broadcasting station, video,and other to record *WAV ... input impedance reach 8 me ohm, can use on line, broadcasting station, video, and other to record. ... t use record channels.9: support 8pcs card on one computer.Application Area: 1: public safe record ... card has eight port, can put 8 cards on one computer.3: compatible with other cards' driver ...