Immaculate grounding and DC rejection via two massive capacitors, all wrapped up in copious amounts of temperature-resistant synthetic resin and a beefy acetal enclosure. On paper, the Signal Projects Poseidon DCB 8 mains filter and distributor looks simple – in practice, however, it’s exceptionally effective: any irritating sibilance evaporates immediately while hitherto floating sonic elements are now absolutely pinned in place.

The stated retail price of the reviewed device is valid as of the time of the review and is subject to change.