Measy AU680 Wireless Audio Speaker Transmission Box, Transmitter & Receiver, Transmission Distance: 100m, AU680

Measy AU680 Wireless Audio Speaker Transmission Box, Transmitter & Receiver, Transmission Distance: 100m, AU680Features 1. High quality transmit with 48k 16bit sampling. 2. Uncompressed transmit. 3. About 100 meters transmit of outdoors. 4. It is easy to use,plug and play. 5. AU680 wireless audio transmitter is a transmitter that enables wireless audio for home entertainment. 6. The product consists of the transmitter and the receiver. Specification 1. Operating Voltage: Transmitter: DC 3. 6V 5. 5V; Receiver: DC 3. 6V 5. 5V 2. Working current: Transmitter:

Features
1. High-quality transmit with 48k-16bit sampling.
2. Uncompressed transmit.
3. About 100 meters transmit of outdoors.
4. It is easy to use,plug and play.
5. AU680 wireless audio transmitter is a transmitter that enables wireless audio for home entertainment.
6. The product consists of the transmitter and the receiver.

Specification
1. Operating Voltage: Transmitter: DC 3.6V-5.5V; Receiver: DC 3.6V-5.5V
2. Working current: Transmitter: 250mAh; Receiver: 100mAh
3. Ambient temperature: 0-85 degree C (Transmitter and Receiver)
4. The actual operating frequency range of the modual: 749-770MHz (Transmitter and receiver)
5. Modulation: Pi/4DQPSK (Transmitter)
6. Channel spacing: 4MHz (Transmitter and receiver)
7. Frequency selection method: Transmitter: Carrying channel one-way loop selection; Receiver: Provides automatic search and manual conversion of two models
8. Frequency stability: +/-100KHz (Transmitter and receiver)
9. The actual working channel of the modual: 20CH
10. Module channel spacing: 1MHz
11. Transceiver distance (using transmit power 100nv in open space): 100m
12. Transmit power (default is 100nV when ordering): 1-100mV (default 100mV)
13. Receiving sensitivity: -95dBm(Receiver)
14. Input level: 1.0VpK(Transmitter)
15. Input resistance: 10K ohm (Transmitter)
16. Input interface (Transmitter):
- Three input modes
-Stereo audio input
-Normal microphone input
-Monitor pickup audio input
17. Stereo input level 1: 30mW RL=32ohms (Receiver)
18. Stereo input level 2: 50mW RL=32ohms (Receiver)
19. Output impedance: 1k ohms (Receiver)
20. Input-output gain ratio: 1:01
21. Sphere of influence: 20-20000Hz
22. Time latency: 2.5ms
23. Sampling Rate: 48KHz 32bit
24. Signal to noise ratio: 96dB
25. Distortion: 0.3% at 1KHz
26. Dynamic Range:90dB
27. Left and right channel isolation: 85dB

Package List
1. Transmitter x 1
2. Receiver x 1
3. USB power cable x 2
4. Manual x 1