Trantec S4.4 Handheld Dynamic System boasts a multi-function receiver, 4 switchable frequencies and the latest PLL quartz tuning technology, making it the ultimate choice when up to 4 frequencies are required. Trantec S4.4 consists of an s4.4mtx handheld transmitter incorporating a dynamic mic capsule and a S4.4RX receiver. S4.4HD UHF Wireless Mic Radio by Trantec has a host of new additional features including LEDs on the receiver showing power on, AF peak level, RF level and Diversity Channel A or B. In addition, the diversity operation receivers have front mounted antennae and variable gain jack plug output. Trantec S4.4 handheld dynamic microphone system has a battery life in excess of ten hours.