CAD Audio StageSelect IEMBP Bodypack Wireless Receiver with MEB2 Earbuds 16 Channel UHF Agility for frequency plan flexibility Stereo Operation for discrete Right/Left transmission flexibility via combination XLR-1/4" connectors CAD Lock Automatic Tone Encoded Squelch to eliminate unauthorized interference MEB2 TruPitch Dual Armature Earbuds provide accurate audio reproduction while the Easy Fit Silicon molds provide a custom fit Metal Chassis Transmitter for a durable and formidable shielded enclosure