Experience exceptional sound quality with the Sennheiser IE 800 S in-ear headphones. These headphones deliver dynamic, closed transducer principle sound that is diffuse-field equalized. With a frequency response of 5 to 46,500 Hz and a sensitivity of 5dB, these headphones offer excellent audio performance. They come in an in-ear form factor and offer a double earpiece for added comfort. The ear coupling is designed for maximum attenuation of outside noise and offers up to -26 dB of attenuation. These wired headphones come equipped with a built-in microphone and are suitable for use with cell phones. They have a 3.5mm jack connector for easy connectivity and are compatible with both proprietary and standard 3.5mm jack connections. These headphones are ideal for use as monitor headphones and as HiFi headphones. The Sennheiser IE 800 S headphones are available in black and can withstand a maximum sound pressure level of 125 dB at 1 Vrms.