Feature：
This is a mini wireless transceiver system, suitable for 6.35mm audio interface equipment, and has the advantages of strong anti-interference ability, strong penetration of obstacles, and stable transmission without freezing.
Wireless devices can support up to 99 sets of devices to be used at the same time without interfering with each other.
The transmitter of a wireless system can be used with the receivers of dozens of wireless systems.
Wireless transmitter & receiver set for electroacoustic musical instruments like guitar, bass, etc. giving you the best music sound.
transmission range is up to 50 meters.
Built-in rechargeable lithium battery, long working hours; and comes with USB cable for convenient charging.
With power display function, keep track of the remaining power
Plug and play, simple to use; compact size and lightweight, easy to carry.
Specification：
Material: ABS
Audio Response Range: 20-20kHz
Channel: 99 channel
Distortion: Less Than 0.05%
Reception sensitivity: Less Than -110dbm@20dbsinad
Signal-to-noise ratio: more than the 85dB
Transmission Range: Max.50M (No obstacle); 30M (through-wall)
Transmission Delay: Less Than 2ms
Power Supply: Built-in rechargeable lithium battery
Charge Port: USB

Package List:
1 * Transmitter
1 * Receiver
1 * User Manual
1 * USB Charging Cable
Only the above package content, other products are not included.
Note:
The above descriptions are the parameters of the IN-20 wireless transmission system. A8 and A9 are the same as those of other merchants on the market.
Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1cm.