Extron SW4 3G HD-SDI 4x2 Switcher 3G/HD/SD-SDI RS-232 Tabletop

Extron SW4 3G HD-SDI Multi-Rate Video Switcher

Used Extron SW4 RGBHV - 4x1 High-Resolution RGBHV Switcher - Tested & Clean

Kanex Pro 3G SDI 4 x 1 HD CCTV Switcher

Monoprice Active 3G, HD, SD SDI Two Way 2X1 Switch

Extron SW4 HD 4K PLUS HDMI Switcher 4x1 w/ Power Supply

Marshall Electronics VSW-2000 4 x 1 3G/HD/SD-SDI Switcher

Extron IN1508 Scaling Presentation Switcher AV Video Rackmount Powers On