High-performance closed circumaural DJ headphones with high-efficiency cobalt capsules with 40 mm drivers that provide ultra-wide frequency response (20 Hz-20 kHz) and dynamic range, and deliver sound with high-definition basses and super-transparent highs. Their collapsible design, rotating and reversible oval-shaped ear cups and a padded headband ensure a comfortable, secure fit and great isolation, and provide one-ear monitoring option and easy transport.