The Samson Z55 is a wired, closed-back, over-ear reference headphone designed for professional monitoring and mixing. It uses 45 mm drivers for a wide, balanced sound with a 10 Hz–25 kHz range and passive isolation. Lambskin ear pads and an adjustable headband provide comfort for long sessions. Includes three detachable cables (8 ft straight, 4–10 ft coil, and 4 ft with mic), a 1/4\" adapter, and a protective pouch. Discontinued.