Description
Technical Specifications
Transducer Type: Dynamic
Operating Principle: Open Air
Frequency Response: 20 - 22,000 hz SPL 1mW: 99.8 dB
Nominal Impedance: 32 ohms
Driver Matched dB: .05 dB 
What's Included
Grado SR225e Prestige Series On-Ear Headphones
6.5mm Golden Adapter
Grado story-sheet
Warranty 1 year