Goldak Noise Eliminator Microphone for use with 777 Leak Detector WHOLESALE Just like a good racer

Just like a good racer

If your detector's serial number is after 0610XXXXXX

Quartz-crystal locked electronics

Ultra-lightweight Only 2

refer to the XP MI-4 Manual

Goldak Noise Eliminator Microphone for use with 777 Leak Detector WHOLESALE Just like a good racerGoldak Noise Eliminator Microphone for Use with 777 Leak Detector Find Outside Leaks Easier and More Accurately Field Tested Tough! The Goldak Model NE 77 "Noise Eliminator" microphone is an accessory for the Model 777 A Leak Detector that will amplify your leak detection capabilities. The NE 77 microphone is designed to improve your leak detection success during difficult job conditions, such as PVC pipe, through asphalt or pavement, and water filled