This is a beautiful device. It is an inline transformer (plus a few loading resistors) designed to go between CD player and amp.
The Marantz DLT-1 actually increases the output slightly, and it filters out RF mush coming out of many CD players. The result is a smoother and musical image with a rich detailled sound. I am amazed at what this thing can do to a system.
Including Philips RCA connecting cables.
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