Sony MDR-M1 Professional Reference Closed Dynamic High-Fidelity Monitor Headphones (Black)The Sony MDR M1 Professional Reference Closed Dynamic High Fidelity Monitor Headphones in Black boast an extremely lightweight design, which weighs 216g. These headphones have beat response control for tight, powerful bass and come with machined aluminum connectors. Their design ensures high sound isolation, which is crucial for accurate open mic monitoring and this feature is enhanced by superior sound isolation capabilities, thanks to advanced