Grado’s latest Signature wired headphones tease a “warm, relaxed" listen thanks to their walnut-clad earcups

Grado Signature S550 wired headphones in black on a headphones stand
(Image credit: Grado)

Brooklyn-based audio brand Grado has added to its its high-end Signature series of open-backed wired headphones with its new Signature S550 cans. The latest premium model joins the three existing members of the line, including the Signature S950 and flagship Signature HP100 SE headphones.

Designed for listeners who desire “warmth, openness, and clarity without fatigue”, the new S550 prioritise a more relaxed presentation while “preserving the speed, detail, and immediacy” Grado has previously exhibited in its five-star SR325x and GS3000x cans.

Central to achieving this desired sonic profile are a set of 50mm S2 dynamic drivers, tuned especially for the cans’ all-wood enclosures.

Grado Signature S550 wired headphones in black on a leather sofa

(Image credit: Grado)

Grado also promises that walnut’s natural density contributes to the S550’s fuller, more balanced presentation, all while helping maintain a more consistent acoustic performance over time.

Like the rest of the cans in the series, the S550 employ Grado’s Signature headband assembly whereby a flexible metal support is integrated within the leather headband in order for the fit to be adjusted more smoothly.

The Signature S550 come equipped with a silver detachable cable. Each housing is terminated with a 4-pin balanced mini XLR, while the source end of the cable is equipped with a 3.5mm mini plug; a 6.3mm adapter is included.

The Grado Signature S550 will be available later this month, priced at £995 / $995.

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Harry McKerrell
Senior staff writer

Harry McKerrell is a senior staff writer at What Hi-Fi?. During his time at the publication, he has written countless news stories alongside features, advice and reviews of products ranging from floorstanding speakers and music streamers to over-ear headphones, wireless earbuds and portable DACs. He has covered launches from hi-fi and consumer tech brands, and major industry events including IFA, High End Munich and, of course, the Bristol Hi-Fi Show. When not at work he can be found playing hockey, practising the piano or trying to pet strangers' dogs.

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