Designed for use on flat surfaces, Crown PZM/PCC micsprevent phase interference from surface reflections,allowing a wide, smooth response. Excellent for soundreinforcement, conference tables, interviews and more.Crowns phantom-powered PZM30D has switchabledual frequency response and XLR output (cable notincluded). The plate is detachable, making it flexible for all kinds of uses and extremely portable – slip it in your pocket without the plate and use it on any flat surface for great PZM pickup. The PZM6D (available separately) has a smallerdetachable plate and 15 ft. mini-cable/XLR connector.