20Hz-20kHz response. 96 dB/mW sensitivity. Distortion <0.2%. 9' cord w/1/8" plug. 1/4" adaptor. Frequency Response: 20Hz - 20kHz. Impedance: 120 ohms. Sensitivity: 96dB/mW. Mic Range: 100 Hz - 20 kHz. Jacks: 1/8" and 1/4" adaptor Yamaha CM500 Headset with Built-In MicrophoneCombining closed-ear, noise-reducing headphones with a sensitive electric microphone, CM500 creates the ideal choice for audience-interactive DJs or school music labs. Crafted with high-impact materials and an ultra flexible headband, its solid construction withstands the repetitive twisting and hard use found in music labs and on the dance floor.Features20 Hz - 20kHz frequency response 100 Hz - 20 kHz mic range 1/8" plug and 1/4" adaptor 9' cord Great Ergonomics And Sound QualityThe ear is an instrument critically trained to demand perfection in sound reproduction, and musicians know that high-quality headphones are a vital component of any music system. Yamaha's complete headphone line utilizes the latest in technology, ergonomics, and sound quality for musical applications ranging from economy to the professional level.Industry StandardFrom music creation to music reproduction, Yamaha audio equipment has been recognized as the industry standard for more than 30 years. Respected professionals depend on Yamaha to help them achieve incredible sound. Whether you are listening to music on-the-go or in the studio creating the next big hit, demand perfection - we do.