One with two wireless microphones, Junya Electronics (certified), Enping microphone provided by Junya electronics factory. Enping Junya Electronics Factory (shop1394643557089.1688.com) is specialized in the "electro-acoustic products and accessories," the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Zeng Shenandoah. UHF-502-A little common sense: in one hand and grabbed two wireless microphones are the most serious mistake the way color tips: bodypack wireless microphone commonly used in miniature electret condenser microphone, such high-sensitivity microphone is omnidirectional, When the use is prone to acoustic feedback, use back to listen to the speaker of the occasion especially wireless microphone on stage one for two, for this type of microphone used for drama and comedy performances, such as the stage is the floor, the floor is hollow if the microphone wholesale and retail, in order to prevent low-frequency resonance, should gain the console bass channels make appropriate attenuation, while the back to listen to the signal output gain of the system is also necessary attenuation, attenuation is generally in the range of more than 6DB, such as passionate encounter comedy performances resectable back to listen to the signal output of the system in order to avoid acoustic feedback.