Synergistic Research UEF Performance Enhancer - USB Filter stand-mount speakers - comes in a wooden

- comes in a wooden box

or they can be printed out and presented any way you choose

FEQ and last but not least in Atmosphere and Atmosphere Series Cables

Alan Sircom of Hifi+ writes (12/2022):

Synergistic Research UEF Performance Enhancer - USB Filter stand-mount speakers - comes in a woodenUEF Performance Enhancer USB Filter Synergistic Research UEF Performance Enhancers are a new UEF filter for system that lowers your systems noise floor, so you hear more music with greater clarity and less noise for sweeter highs. SR starts with a new UEF Compound, first developed in conjunction with the flagship cable loom, SRX. When you pop one UEF Performance Enhancer in your system, youll find yourself listening longer and, perhaps, at lower