- Philips is mainly famous for its home audio and video equipment. In the PC multimedia sphere the company makes a series of inexpensive multimedia acoustic systems. A year ago the company also released sound cards for the USA market with Edge suffix: a 2-channel Rhythmic Edge (PSC702), a 4-channel Seismic Edge (PSC704) and a 6-channel Acoustic Edge (PSC706). ...www.digit-life.com/articles/philipsedge/index.html