The CAD Audio WX50 Digital Frequency Agile Handheld Wireless System is designed for quick and easy use. The QuickMic receiver design utilizes an integrated 1/4-inch jack. Simply plug it into an open channel on your mixer and high-quality audio is ready for your next performance. The transmitter is outfitted with a CADLive-style capsule an On or Off Mute button and a battery life indicator.