Grado Signature S550 Headphone (Open Box) desktop our search led us to

our search led us to a "purple treasure" from the ancient rainforests of South America: Purpleheart wood

Mains electricity

Ergonomics Neck hanging design

Fostex logo sticker

Grado Signature S550 Headphone (Open Box) desktop our search led us toThe Grado Signature S550 brings the core values of the Signature Line into a more streamlined and approachable form. Designed for listeners who value musical engagement as much as technical performance, the S550 delivers clarity, balance, and energy in a headphone built for long, immersive listening sessions. At its heart, the S550 is tuned to preserve the immediacy and openness Grado is known for, while offering a refined presentation that remains