• 【Versatile Audio Transmission】The AU680A XLR wireless audio transmitter and receiver set offers professional-grade audio transmission for various applications.
• 【Long-Range Performance】Achieve up to 100 meters (328 feet) of transmission distance in open areas, ensuring reliable audio delivery in large spaces.
• 【Low Latency】Experience near-instantaneous audio transmission with less than 0.5ms delay, perfect for live performances and real-time monitoring.
• 【High-Quality Audio】Enjoy excellent sound quality with a 20Hz-20kHz frequency response, 95dB signal-to-noise ratio, and 90dB dynamic range.
• 【Multiple Input Modes】The transmitter supports three input modes: stereo audio, standard microphone, and surveillance microphone, offering flexibility for different audio sources.
• 【Adjustable Transmission Power】Choose from 1-100mW transmission power (default 100mW) to balance range and power consumption based on your needs.
• 【Channel Selection】The transmitter offers one-way cyclic channel selection, while the receiver provides both automatic search and manual channel switching options.

Specifications:

• Operating Voltage: 3.6–6V DC (Transmitter & Receiver)
• Working Current: Max 120mA (Transmitter) / Max 40mA (Receiver)
• Ambient Temperature: -16–65°C
• Actual Operating Frequency Range: 590–619MHz
• Modulation: GFSK (Transmitter)
• Channel Spacing: 2M bps
• Frequency Selection Method: 4MHz
• Frequency Selection: Carrying Channel One-Way Loop Selection (Transmitter) / Automatic & Manual Search (Receiver)
• Frequency Stability: ±100KHz
• Working Channels: 20CH
• Module Channel Spacing: 4MHz
• Transceiver Distance: 330 feet (in open space)
• Transmit Power: 1–100mV (Default 100nV when ordering)
• Receiving Sensitivity: -90dBm (Receiver)
• Input Level: Max 1.0Vpk (Transmitter)
• Input Resistance: 10k ohm (Transmitter)
• Interface: XLR*2 / RCA / 6.35 / 3.5mm
• Support: Balance / Unbalance (Transmitter), Lift / Earth (Receiver)
• Stereo Output Level 1: 30mW RL=32Ω (Receiver)
• Stereo Output Level 2: 50mW RL=32Ω (Receiver)
• Output Impedance: 1k ohm (Receiver)
• Input-Output Gain Ratio: 1:01
• Frequency Response Range: 20–20000Hz
• Time Latency: <0.5ms
• Sampling Rate: 64KHz 16bit
• Signal-to-Noise Ratio: 95dB
• Distortion: 0.3% @ 1KHz
• Dynamic Range: 90dB
• Left and Right Channel Isolation: 85dB