Features: Adopts 50mm drivers, with high sensitivity, wide response range and large dynamic. 10Hz- 30kHz wide frequency response and 32O high impedance. Semi-open design for enhanced ambient listening, better stereo imaging and a wider sound stage. Self-adjusting headband and plush ear cushions for secure and comfortable wearing; 1/8 to 1/4 gold plated plug for different devices. Ideal for recording monitoring, music appreciation, video game playing, DJ, etc.