Switcher – T4000 DMC T4000 • Wired panel that is controlled by RS 232 • One touch selection – LED back lit including sound buzzer • Wireless • Increase or decrease digital volume • Signal Amplifier: 350MHz March 30, 2018/by admin http://dantronics.ycalture.com/wp-content/uploads/2018/03/T4000.jpg 555 713 admin /wp-content/uploads/2019/07/logo.png admin2018-03-30 02:50:442018-03-30 02:50:44Switcher – T4000