Check the listing for details. Extron MLS 406SA MediaLink 6 Input Switcher with Power Cord. Condition: Used. Listed at 20.00 USD. The Extron MLS 406SA is a simple-to-use, six input, multi-format switcher that provides computer video, S-video, and composite video switching, along with stereo audio input switching. An additional input accepts balanced/unbalanced mono line level audio signals for mixing with any of the four switchable inputs. The switcher features an integrated audio amplifier with 24 watts, 2 x 12 watts rms, for 4 ohm speakers and 16 watts, 2 x 8 watts rms, for 8 ohm speakers to suit the needs of the installation. For enhanced operation, ease of room control, and simplified system integration, the MLS 406SA can be controlled with a TouchLink® Control System or MediaLink® Controller. FeaturesVideo inputs: Three female BNC connectors paired with three 4-pin mini DIN connectors for composite video or S-video; three female 15-pin HD connectors for computer video, composite video, or S-videoAudio inputs: Three pairs of female RCA connectors, two female 3.5 mm stereo mini jacks, and one captive screw connectorVideo outputs: Dual RGB output on five female BNC connectors and one female 15-pin HD connector, composite on one female BNC connector, and S-video on two female BNC connectorsAudio outputs: Captive screw connectors and insulated screw terminalsControllable via TouchLink® Control System, MediaLink® Controller, front panel buttons, or RS-232 — The switchers can be controlled using the front panel backlit buttons or RS-232. An optional TouchLink Touchpanel Control System or MediaLink Controller may be connected to the RS-232 port to provide a simple and intuitive user interface for the MLS Switchers, and the entire room.Local monitor output — 15-pin HD connector functions as additional RGB output or local monitor output to enable preview monitor capability without the need of a distribution amplifier.Audio input gain and attenuation — Gain or attenuation can be adjusted for each input to eliminate noticeable differences when switching between sources.Fixed and variable preamp line level audio outputs — Can be set for mono or stereo via RS-232.Integrated stereo audio amplifier provides 24 watts, 2 x 12 watts rms, into 4 ohm speakers and 16 watts, 2 x 8 watts rms, into 8 ohm speakers — Outputs amplified stereo audio on insulated screw terminals.Additional input accepts balanced/unbalanced mono line level audio signals for mixing with any of the four switchable inputsLoudness control — Boosts low and high frequencies to compensate for the normal decreased hearing ability of the human ear at low volume levels.Triple-Action Switching™ for RGB delay — Blanks the screen during switching of RGB signals to eliminate visible switching transitions.Front panel security lockout — Allows security lockout of front panel buttons setup and adjustment options.Rack-mountable, 1U, full rack width metal enclosureHighly reliable, energy-efficient internal universal power supply — The 100-240 VAC, 50/60 Hz, international power supply provides worldwide power compatibility with high demonstrated reliability.