Grado Signature S550 Headphones

Grado S550: the open-back Signature headphone with a rich, dynamic and immersive sound

The Grado S550 is an open-back headphone from the Signature series, designed to deliver an intense listening experience characterized by dynamics, fullness and a strong sonic presence. It features the 50 mm S2 driver, a solution engineered to provide fast response, precision and excellent signal control, combined with handcrafted earcups made from fine Brazilian walnut wood.

The removable Signature Silver cable combines build quality and versatility, offering greater flexibility in connection management and optimized signal transmission. The S550 is an ideal choice for those looking to enter the Grado Signature world through an open-back headphone that is comfortable, refined and capable of delivering a highly engaging musical experience.

The Grado S550 stands out for its energetic and engaging sound reproduction, featuring deep, well-defined and controlled bass, a natural and information-rich midrange, and an extended, detailed high-frequency response while maintaining a balanced character that is never harsh or aggressive.

The 50 mm S2 driver contributes to a fast and dynamic response, while the Brazilian walnut earcups add a warm, harmonious and richly textured character to the overall presentation. The result is a headphone capable of delivering an excellent balance between body, musicality, rhythm and detail, providing an engaging listening experience even during extended sessions without fatigue.

Technical specifications

• Type: dynamic open-back headphone
• Series: Grado Signature
• Driver: 50 mm S2
• Earcups: Brazilian walnut
• Cable: removable Signature Silver
• Frequency response: 6 Hz – 44 kHz
• Sensitivity: 112 dB SPL
• Impedance: 38 Ohm
• Weight: 335 g
• Included cushions: B Cushions
• Optional cushions: S Cushions, L Cushions
• Construction: handcrafted Made in USA