The Crown CT16S Amplifier Switcher gives end users of public address systems confidence that their system is operational. Each amplifier switcher has 16 primary amplifier inputs (which connect to the amplifier outputs), 16 backup amplifier inputs (which connects to the amplifier outputs), and 16 outputs. The CT16S is capable of handling 2 Amps Continuous for up to 1000W per channel.
Brochure: http://www.crownaudio.com/media/wysiwyg/CTS_Static/CT16S_Datasheet_010612.pdf