Eminence Sigma Pro 18A 2 Professional Series 18" 650 Watt Replacement PA Speaker 8 Ohm New Old Stock Hon Sing Sennheiser EW 100 ENG G3 Wireless Crucianelli Sennheiser EW 100 ENG G3 Wireless Portable Recording System at a Glance: The perfect wireless system for portable recording Includes both a plug in transmitter and a microphone with a bodypack transmitter EK 100 G3 receiver attaches securely to a camera's shoe via clamp mount Operates on Sennheiser's A frequency band No power supply included (Runs on 4 AA batteries or 9v power supply) sold AS IS Everything we sell has been tested and is fully functional unless otherwise noted