System 20 PRO Boundary Microphone Transmitter.

Features

• Cardioid polar pattern
• Long-lasting internal lithium-ion batteries for all-day transmitter use
• Selectable mute operation (toggle, touch-to-talk, or touch-to-mute)
• Two LED options: standard mode and conference mode
• OLED display
• USB Type-C™ connector for charging (transmitter can be used while charging)

Specifications

Overall System:

• Operating Frequencies: 2,402 to 2,480 MHz
• Dynamic Range: 120 dB (A-weighted), typical
• Total Harmonic Distortion: < 0.05%, typical
• Maximum Simultaneous Use (recommended): Standard: 10 channels, HD mode: 20 channels (It depends on the region and environment.)
• System Frequency Response: 20 to 20,000 Hz (Varies depending on the microphone to be installed.)
• Delay: Standard: 2.8ms, HD mode: 6.7ms
• Audio Sampling Rate: Standard: 24-bit/48 kHz, HD mode: 24-bit/48 kHz
• Encryption Method: AES128