Grado Signature S150 Open-Back Headphones

Grado’s entry into the Signature Line: a new 44mm S driver, a single-piece matte-black housing and detachable Signature Bronze cables, in a 220-gram headphone built for long listening sessions.

Specifications

• Transducer Type: Dynamic
• Operating Principle: Open Air
• Frequency Response: 16 Hz – 34 kHz
• Total Harmonic Distortion (THD): < 0.3% at 100 dB
• Sound Pressure Level (SPL): 104 dB (1 mW)
• Nominal Impedance: 38 ohms
• Driver Diameter: 44 mm
• Driver Matching Tolerance: 0.05 dB
• Weight: 220 g
• Cable: Signature Bronze detachable cable
• Headphone Connector: Dual 3.5 mm mini
• Source Connector: 3.5 mm with 6.3 mm adapter
• Ear Cushions: F Cushions

Grado Canada product details