Fender Passport Wireless Executive Microphone System - Channel 9A 1 Wireless headset microphone 1 Wireless lavalier microphone 1 Belt-pack Wireless Transmitter (Instrument/Line Cable Included) Receiver is Built in to the "Docking" Unit Which Mounts Inside the Storage Compartment Power, Audio and Antenna Connections are Built into the Docking Unit Specialized "Tone-Key" System Locks the Receiver to the Transmitter Passport System Automatically Mutes When the Michrophone is Off or Out of Range Automatically Routes Signal to Channel 1&lt;