The Sennheiser Evolution EW 135 G3 wireless handheld microphone system helps you be heard in an era of crowded airspace. With 1680 frequencies and larger groups with up to 12 compatible frequencies, it offers the most available frequencies in its price class. This version operates in the A frequency range (516 - 558 MHz) and includes the SKM 100-835 G3 handheld transmitter (dynamic, cardioid), EM 100 G3 rackmount receiver, NT 2 power supply unit, two antennas, two stacking elements, two AA batteries, and operating instructions. Because of its versatility for every style of music and presentation, the EW 135 G3 vocal system gives you great performance. See the video for quick set-up tips.