How can you get more fans on their feet? Add more freedom to your performance— without pushing a single button. Ideal for small and medium stages, GLX-D® Digital Wireless is the easy way to go wireless with less worry.The precision-engineered Beta 87A condenser vocal microphone has a smooth, tailored response for warm, accurate sound. Its supercardioid polar pattern provides maximum isolation from nearby vocalists or instruments. It combines automatic frequency management with true digital diversity for a rock-solid wireless signal with exceptional digital audio clarity.