JBL PartyBox Wireless Mic - Digital Wireless Microphones (Pack of 2) - BlackThe JBL PartyBox Wireless Mic Digital Wireless Microphones (Pack of 2). Black version. Features: Clear voice, crisp sound: The cardioid pickup pattern of these mics deliver a warm, clear, and crisp vocal sound that's designed to make everyone sound their best over any JBL PartyBox. Minimize all unwanted noise: A shock mount system minimizes the sound of the mics passing from one hand to another, while a built in pop filter eliminates any extraneous