This is a fairly simple solution for connecting a digital audio player (DAP) to a desktop headphone amp. The materials and build quality appear to be top-notch. It works well for the job it was bought for and that's all I care about. Yes, I would recommend a 1.6ft 3.5mm to RCA cable, CableCreation 3.5mm TRS Male to 2 RCA Male Stereo Y Splitter RCA Cable.
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