• The Mackie MC450 Open-back Headphones provide you with a detailed audio response and unmatched comfort at an accessible price. These professional-level headphones are loaded with large 42mm drivers that deliver impressive clarity that's ideal for mixing and critical listening applications. These headphones have a padded leather headband and memory foam earpads that provide hours of comfort. You can kiss uncomfortable listening sessions goodbye! The MC450 headphones are well-suited to the road too, thanks to their folding design and included carrying case. The Mackie MC450 headphones are sure to impress you with their durable construction, detailed sound reproduction, and unmatched comfort.