The SHURE's SRH440 is a closed-back headphones that provide great clarity and accurate sound reproduction. This audio monitoring is extremely comfortable because to the dense foam cushioning that completely surrounds user's ears. It has substantial padding, combined with their entirely closed backs, provide excellent isolation, preventing sound from leaking into open microphones. At the same time, they let enough outside sound in so that you or the musicians you're recording can speak between songs without having to take them off.