Grado
Signature S550
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HiFi Editorial
Grado Signature S550 Open-Back Headphones Debut With Warmer Tuning and Brazilian Walnut Housings
Grado Signature S550 is a $995 open-back headphone expanding the Signature Series, offering warmer tuning and smoother treble while preserving Grado’s fast, punchy dynamic sound.
It uses a refined 50mm S2 dynamic driver optimized for an all-wood open-back design, emphasizing speed, detail, spatial openness, and improved long-term listenability.
Housings are crafted from Brazilian Walnut, chosen for density and damping to control resonance, ensure tonal balance, and provide sustainable, individually unique wood grain patterns.