Panasonic DJ Style Monitor Headphones: * Over-ear premium Hi-Fi Stereo headphones * Large 40mm speaker driver produces amazingly clear sound * Ergonomic design ear cushions ensure comfort during long listening * Stable metal headband with comfortable soft padding * Tangle-free cable for convenient listening * Adjustable headband for comfortable listening sessions * Designed with a snug fit for active people * Nickel-plated, corrosion-resistant stereo jack * Frequency response: 10-30,000 Hz * Sensitivity: 91 dB * Nominal impedance: 32 Ohms * Cord length: 1.2m * Speaker diameter: 40mm * Max input power: 1000 mW * Model# RP-HX650-K