Check the listing for details. Mackie MC-100 Professional Closed-Back Headphones. Color: Black, Condition: New. Listed at 39.99 USD. High-quality Headphones at a Great Price! When you're recording music or producing content, a good pair of headphones is essential. The Mackie MC-100 professional headphones from Sweetwater help you do your best work by providing the optimal balance between isolation and accurate sound reproduction. These headphones have large custom-designed drivers that deliver a clear, detailed signal at all levels. Don't worry about discomfort over long sessions either — these lightweight cans feature ergonomically designed cushioning on the earpads and headband. Rest assured, you'll feel comfortable with these headphones on for hours at a time. And, at their incredibly affordable price, you can stock up on Mackie MC-100s, so everyone in the studio can have a high-quality set of cans.