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Shure expands their line from in-ear headphones with three new over the ear cans designed for studio applications. The Shure Professional Headphones ($60/SRH240; $100/SRH440; $200/SRH840) tuned for professionals, offers improved bass and a more accurate and wider frequency response. This trio of models all come with 40mm drivers, comfortable ear pads with ergonomic fit and a collapsible construction.