Applied Microphone Technology AMT LS Instrument Condenser Microphone, Cardioid All versions of the LS now include updated features including D.C.T. (Disconnect Cable Technology) Compatible with the optional AMT Wi5C wireless system creating a belt pack free wireless system. With a change in a cable, convert your LS from a beltpack style wired setup over to wireless quickly and easily. Cables sold separately. AMT clamp allow for easy transitions between flanged bell instruments such as saxophone's and trombones. Includes BP45 belt pack style preamp, cable for preamp, and case. The included cable also works with Shure, Sabine, & Line 6 wireless beltpack systems.