Compare Sony MDR-NC500 Headphones to Sony MDR-NC300D Headphones

Groundbreaking technology, for your listening pleasure. The innovative MDR-NC500D headphones use digital technology to more accurately reduce stress-inducing noise from planes, trains and buses while providing the high-quality audio expected from Sony. For extra-long usage, a built-in Lithium-ion battery is included, as well as two AA batteries. Less

Noise canceling technologyNoise canceling headphones reduce ambient noise and provide a quieter environment to enhance audio entertainment. The headphones have an inside microphone on each earpiece that works with electronic circuitry and ambient sound is reduced by synthesizing with a sound in opposite phase produced by the noise canceling circuit.16mm Driver UnitsDrivers work with digital sound enhancer to deliver wider frequency response and superb sound quality.Selectable Sound ModeSelect Movie, Bass, or Normal listening mode based on your listening needs.Artificial Intelligence (AI)Automatically selects the optimal noise canceling mode based on intelligent analysis of environmental ambient noise.Ergonomic DesignVertical in-ear style housing and seven ear pad sizes for secure, personalized fit.Highest Quality Noise CancelingReduces up to 98.4% ambient noise (20 dB at 160 Hz) when noise canceling circuit is activated. Less