Highlight the extreme stereo and high external noise barrier properties allow users to concentrate on making music. In addition, the rotation earmuffs and coiled wire, but it makes the mixing console, monitor the work easier. HD215 especially durable, with high-quality carrying case. Transducer principle: dynamic circle, closed Frequency response :12-22000Hz Impedance: 32 Euro Total harmonic distortion: less than 0.2% SPL: (@ 1KHz, 1Vrms) 112db Weight: (without cable) about 280 g Connection: single coiled wire, 3.5m stereo jack and 1 / 4 inch (6.3mm) adapter Features: Rotating ear cups can be a single ear to listen |