Check the listing for details. Extron PVS 204SA PoleVault Twisted Pair Switcher With PSU. Condition: Used. Listed at 14.00 USD. The PVS 204SA Twisted Pair Switcher is available exclusively as part of the PoleVault System. With four input video autoswitching capabilities and an integrated 26 watt rms stereo audio amplifier, the PVS 204SA allows the PoleVault System to be configured to meet the needs of most single projector AV environments. The PVS 204SA accommodates up to two composite video signals and two high-resolution VGA-UXGA RGB signals, all with stereo audio. Separate video outputs are provided for composite video and RGB video. The PVS 204SA switcher can be controlled via IR or RS-232. The PVS 204SA also features an integrated 26 watt rms stereo audio amplifier capable of driving up to four Extron speakers and filling the room with full, rich sound. The integrated audio amplifier also features optional remote control of input selection and volume control, plus software-based tone control, loudness, and limiting for set-and-forget operation. An auxiliary line level input is provided to accept an external audio source, such as a wireless microphone.