The SB-5548BNC is a Matrix Switcher for Composite and Stereo
Audio signals with a full support of any PAL or NTSC or PAL
Composite Video & Stereo Audio TV system. It is an eight (8)
separate Composite Video (BNC connector) plus Stereo Audio
inputs with eight (8) individual Composite Video (BNC
connector) as well as Stereo Audio outputs (Audio output with
control volume plus AR/AL balance). It eliminates the
requirement to move video audio I/O cables. The matrix
switcher is useful for matrix signals like composite video
and stereo audio source units (such as VCRs, Camcorders,
DVDs, Satellite Receivers, Video Game Consoles, Video CDs,
CAT5 Set-Top Boxes, etc.). To Composite Video/Audio
destination units (like LCD TV, HDTV, Projectors, Plasma
displays, etc.). You can select inputs is through the front
panel push buttons, IR Remote Control unit or RS-232 control
by computer.