Inday AV4X-R 4x1 Stereo Audio & Video Switcher

4x1 S Video & Sound Video AV Switcher 4 Input 1 Output Signal Selector

Inday AV4X-R 4x1 Stereo Audio & Video Switcher

OCEAN MATRIX OMX-9142 4X1 COMPOSITE VIDEO STEREO AUDIO SWITCHER

Kramer VS-81AV 8x1 Video & Stereo Audio Mechanical Switcher - Passive BNC/RCA

Kramer VP-64ETH 6x4 RGBHV & Balanced Stereo Audio Video Switcher

Ocean Matrix - PSW-24 - Passive 24 x 1 - Audio Video Router Switcher