The sennheiser ew dx skm u1 5 band is a wireless handheld transmitter for their evolution wireless systems. Built from a durable metal housing that can stand up on any stage the skm transmitter is the ideal solution for wireless vocals in live performances. Compatible with any microphone capsules by either sennheiser or neumann this transmitter will let you access the signature sound of a broad range of legendary vocal microphones for clear professional sound. The ew dx skm offers up to 12 hours of battery life in a single charge and convenient charging contacts for in device recharging. Its e ink display provides feedback such as battery life time and chosen frequency band to let you synchronise with the rest of your system. The skm s model also features a convenient on off switch for instant control over your signal during a performance.