KRAMER TOOLS XGA/Audio Line Receiver TP-122 w/ AC adapter Good condition The TP-121 and TP-122 are a twisted pair transmitter and receiver for computer graphics video, stereo and S/PDIF audio signals. The TP-121 transmitter converts computer graphics video and unbalanced stereo audio inputs into a twisted pair signal and the TP-122 converts the twisted pair signal back into a computer graphics video, unbalanced stereo and S/PDIF audio outputs
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