Grado Signature S550 Headphone (B-Stock, Factory Refurbished) headphone proprietary 2-pin we are constantly adapting to

we are constantly adapting to the increasingly stringent requirements of manufacturing accuracy and stability

Diaphragm: Berylium-Coated Dome+PU Suspension Ring

It is particularly good at highs

Beat FX section A Beat FX section with the same feel as the DJM Series

Hugo HF+ (High Frequency roll off) (Green)

Grado Signature S550 Headphone (B-Stock, Factory Refurbished) headphone proprietary 2-pin we are constantly adapting 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