Free Shipping. Skullcandy Hesh Headphones (Fall 2008) The Hesh Headphones by SkullcandyFeatures:50mm speakerFrequency range: 100 - 18,000 HzImpedance: 32 ohmsMax input power: 100mWCable type: OFCCable length: 3 MPlug type: 3.5mm gold plated