Koss Mossy Oak Pattern Full-Size Headphones: * Full size headphone with soft isolating cushions for booming bass * Dynamic elements for extended frequency response: and booming bass * Large, soft isolating ear cushions deliver maximum comfort and isolation * Tough exterior built for maximum durability * Frequency response: 30-20,000Hz * Impedance: 32 ohms * Sensitivity: 97dB SPL * Straight, single entry, 8" with 3.5mm plug