Kim Hilton, Megan Clifford and Heidi Blackmer Robichaud were among those holding down the fort at Earthworks, where we checked out the WL40V wireless vocal microphone capsule. It offers a hypercardioid polar pattern and extended flat frequency response. The capsule head has a 3-ring bulls-eye connector and is interchangeable with any of the screw-on-type handheld transmitters that receive a 31.3 mm/pitch 1.0 mm.