The Electro-Voice NC450D is a dynamic handheld paging microphone designed for low impedance applications. Its normally open configuration makes it ideal for public address systems and various audio setups, ensuring clear and reliable communication in any environment. Key Features Dynamic microphone design for durability Low impedance for compatibility with various audio systems Normally open switch for easy activation Compact and lightweight for handheld use Robust construction for reliable performance Clear audio reproduction for effective communication Versatile application in paging and announcements Applications Ideal for public address systems in schools and venues Perfect for live events and performances Suitable for broadcasting and radio applications Great for use in places of worship for announcements Effective in corporate settings for meetings and presentations In the Box Electro-Voice NC450D Microphone User manual