Signature S550 vs GS1000x
The GS1000x's sensitivity is 99.8 dB against the Signature S550's 112 dB and its low-frequency extension 8 Hz against 6 Hz. Both share impedance (38Ω) and driver size (50mm).
AI-generated product photo — not official manufacturer imagery.
HeadphonesOver-Ear Headphones
Estimated price (community-sourced)
$995
Around — community and catalog average, updates slowly
About the Signature S550
The Grado Signature S550 is the fourth model in Grado Labs' premium Signature Line, released in March 2026. It combines a 50mm S2 dynamic driver tuned specifically for its all-wood Brazilian walnut enclosure, delivering a warmer, more forgiving sound with wide soundstage, precise imaging, natural dynamics, and fatigue-free listening. It features a detachable Signature Silver cable, B cushions compatible with other Grado pads, and an adjustable leather headband with flexible metal support, engraved metal gimbals, stainless-steel height rods, and reinforced junctions for comfort and durability. Designed for musical engagement, clarity, and long sessions in quiet environments.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 112 dB SPL @ 1W/1m
- Impedance
- 38Ω
- Frequency Response
- 6 Hz - 44 kHz
Headphone Design
Headphone driver and design characteristics
- Type
- over-ear
- Driver Type
- dynamic
- Open/Closed Back
- Open Back
- Driver Size
- 50mm
- Weight
- 335 g
Physical Dimensions
Size, weight, and appearance
- Weight
- 0.335 kg (1 lbs)
Key Specifications
Sensitivity: 112 dB
Impedance: 38Ω
Frequency: 6-44000 Hz
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions