AU680 Audio Transmission Adapter Wireless Speaker Transmitter and Receiver Kit, with 5 Receivers

Wireless Audio Transmission: This wireless audio transmitter and receiver kit helps send audio signals from your source device to speakers, amplifiers, TVs, projectors, and other audio equipment without long and messy cables

1. 6-5.5V. Operating Current: 250mA Max. Ambient Temperature: 0-85 degrees Celsius. Actual Operating Frequency Range: 590-630MHz. Modulation Method: Pi/4DQPSK. Frequency Selection Method: Provides one-way cyclic channel selection. Frequency Stability: +/-100KHz. Actual Operating Channels: 20CH. Channel Spacing: 1MHz. Transmit/Receive Distance: 100 meters (tested in open environment with a transmit power of 100mV). Transmit Power: 1-100mV (default 100mV). Three Input Interfaces: Stereo Audio Input, Standard Microphone Input, Monitor Pickup Input. Input/Output Gain Ratio: 1:01. Frequency Response Range: 20-20000Hz. Delay Time:
2. 5ms. Sampling Rate: 48KHz 32bit. Signal-to-Noise Ratio: 96dB. Distortion:
3. 3%, 1KHz. Dynamic Range: 90dB. Left and Right Channel Isolation: 85dB. Receiver Parameters:. Operating Voltage: DC