KRK KNS6402 Studio Headphones KRK KNS 6402 headphones provide an accurate listening experience in a cost-effective and highly durable package that's perfect for a variety of usesThe closed-back, circumaural ("around the ear") design provides up to 26 dBA of isolation, which significantly reduces headphone "bleed" into the microphones when recording. Their excellent isolation performance also lets you focus on the music, without distraction from external sounds. With a maximum SPL of 122 dB, they're capable of providing all the level you'll ever need while remaining clear and detailed sounding, with very low distortion. KRK headphones are a reference you can trust. Their accurate frequency response, excellent stereo imaging, and consistent KRK voicing means that you can rely on them for the most critical listening applications. Their impact-resistant plastic construction makes them lightweight, yet durable, and with their field-replaceable parts, including the pads and cable, they are i