The Samson SR550s also feature premium 40mm drivers with rare earth magnets that generate powerful audio with a wide frequency response. Designed for extended listening sessions, the SR550 headphones feature memory foam cushioned ear cups and headband for an incredibly comfortable, secure fit.Features:Over-ear studio headphonesDynamic, detailed audioClosed-back design for enhanced sound isolationPremium 40mm drivers with rare earth magnetsWide frequency rangeCushioned ear cupsAdjustable padded headband1/8" to 1/4" adapter includedGet your Samson SR550 Over-Ear Studio Headphones today at the guaranteed lowest price from Sam Ash Direct with our 45-day return and 60-day price protection policy.WARNING: This product contains chemicals, including DEHP, known to the State of California to cause birth defects and other reproductive harm.