Secure transmission for vocals and speech. The AKG DMS100M Wireless Microphone Set is the perfect choice for confidential settings thanks to AES 256-bit encryption. Global license-free operation in the 2.4GHz frequency range provides you with a large 30-metre operating range perfect for wide open spaces. The DMS100M Microphone set consists of an SR100 receiver and a HT100 handheld microphone transmitter. The transmitter is powered by two AA batteries (included) providing you with up to 12 hours of continuous operation. With high-resolution 24-bit/48kHz audio transmission the DMS100 gives you studio-quality sound for a vast range of applications. Designed from the ground up to provide intuitive wireless signal transmission the DMS100M set offers plug-and-play usability with push-button channel pairing and colour coding for easy identification. Plus with adaptive channel selection the guesswork of locating available wireless channels is eliminated.