Wireless Transmission: This microphone system operates on a 2.4G wireless frequency, providing a reliable and interference-free audio transmission, allowing for freedom of movement during performances or presentations. Versatile Compatibility: Designed to work seamlessly with dynamic microphones, electric guitars, basses, audio mixers, and PA systems, making it an ideal solution for musicians and public speakers alike. Impressive Range: With a transmission distance of 30-50 meters, this system ensures that you can perform or speak without being tethered to your audio source, enhancing your stage presence. High Quality Sound Transmission: The system boasts a frequency response of 20Hz-20KHz and a total harmonic distortion of just 0.2%, that the audio output remains clear and true to the original sound. Robust Build: Crafted from ABS material, the microphone system is designed to withstand the rigors of regular use, and reliability for all your audio needs. Part Name:Wireless Microphone System Band limit:510.00-590.00MHz Receiving sensitivity:-88dB Channel:20CH Total harmonic distortion:0.2% Dynamic range:110dB output power:10mW Frequency response:20Hz-20KHz(3dB) transmission distance:30-50m Colour:Black Material:ABS Specification:A:One to Two(Standard Edition) Package Contents: 2 x Receivers 1 x Transmitter 2 x USB Cables Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.