Shure SRH440 Professional Studio Headphones     Manufacturer shure Model number SRH440 SKU HESR003 # 532     Specifications                                                                                                                                           Sensitivity 105 dB Maximum Input Power 500 mW Frequency Response 10 Hz - 22 kHz Plug Gold-plated 1/8" (3.5 mm) stereo mini jack     Package                                                                                                                                                    Included: Headphones, coiled cord Condition: Used, excellent working condition. Some scuffs Warranty: 30 days