The Listen Essentials Level III Stationary RF System has everything you need for an easy system to specify, install, operate, and meet legislative requirements for assistive listening. Includes NiMH batteries and a charging/carrying case ideal for managing the storage and dispensing of receivers to listeners. Great for larger venues to deliver an optimum range of up to 305 m (1,000 ft.) is needed. Universal inputs on the transmitter ensure venues can use the LS-43 with their preferred audio source; mixer, microphone, iPod or CD. Installation is quick and easy, and with features like three (3) frequencies and one step digital tuning, the receivers won’t drift off-channel. Available in 72 MHz only.