Behringer HPS3000, Stereo Studio Headphones, Wider transmission area, Frequency response: 20 Hz - 20 kHz, Cobalt capsule with high efficiency, Capsule diameter: 40 mm, Sensitivity: 110 dB @ 1 kHz, Maximum input level: 100 mW, Impedance: 64 ohms, One-sided connection cable made of oxygen-free copper strands, Cable length: 2.0 m, Connection: 6.3 mm stereo connector, Optimized, oval auricles