This adapter is designed to easily attach professional microphones and other audio gear to any camcorder that has a built-in microphone jack. The DX-A2T gives you all the benefits of using balanced audio devices for noise-free operation as well as control over the signal levels to ensure the best possible sound recording. Since the adapter is a passive device, it is completely noise-free and the premium transformers ensure superb audio. The adapter is also virtually unclipable and offers an extremely wide dynamic range. No power or batteries are required to operate the adapter.