300meter wireless vocal set

A wireless vocal set with a 300-meter range is a professional audio solution designed for large venues and outdoor events, offering high-fidelity sound and extensive mobility through advanced signal transmission technologies. These systems typically use either UHF (Ultra High Frequency) or 2.4 GHz digital transmission and include a receiver and one or more microphones. 

Core Components and Features

• Receiver Unit: This component connects to a PA system, mixer, or recording device via standard outputs like XLR or 1/4-inch jacks. Professional models often feature True Diversity reception, using multiple antennas to ensure a stable and uninterrupted signal by minimizing dropouts caused by interference or physical obstructions. It often includes an LCD display to monitor status, frequency, and battery levels.
• Microphone/Transmitter: The set includes handheld, lavalier (lapel), or headset microphones, each containing a transmitter. These usually have a robust metal or durable plastic housing and feature a cardioid dynamic capsule optimized for vocal clarity and feedback rejection. An integrated LCD often displays the selected channel and battery status.
• Extended Range: The 300-meter (approx. 984 feet) range is typically a "line-of-sight" or open-field specification. In real-world indoor settings with walls and people, the effective range is usually less, but still reliably extensive (e.g., 100-150 meters).
• Frequency Management: Modern systems offer features like automatic frequency selection/scanning and IR