Atlas Ailsa Achromatic RCA Interconnect Cable Size:3.00 mt Those devices could be either

Those devices could be either Bluetooth headphones

XLSE transfers well-defined bass energy further down into the bottom octave and provides a quieter interface for low-level audio signals than REFERENCE RCA Interconnect

Line Level Inputs 103 dB

KEF - REFERENCE 4 GRILL PACKS - 5 round grills ( 1 speaker)

Video support:8K/60

Atlas Ailsa Achromatic RCA Interconnect Cable Size:3.00 mt Those devices could be eitherAtlas Ailsa Achromatic RCA Interconnect Cable The Ailsa Achromatic RCA, the first release in a new Atlas product family, is a wide bandwidth interconnect designed to maximise the performance of high performance audio systems. The result of a new ground up approach to co axial design, Atlas has successfully addressed the shortcomings of typical co ax cables which many audiophiles consider precludes the use of such a topology in high end systems. The