The GRAS RA0069 is an adapterfor use when calibrating a 1/8" microphone with a GRAS Sound Level Calibrator or Pistonphone.
Quality & Warranty
GRAS accessories are made of stainless steel, alloys and high-quality composites. These items are covered by a 2 year warranty respecting their intended use.
On consumables like batteries, cables and windscreen we offer a 6 month warranty.