Feature●MicrocKing 4-channel UHF wireless microphone system:fixed frequency, channel 1: 549.8Mhz. channel 2: 551.4MHz. channel 3: 555.8MHz. channel 4: 556.8MHz. total 4channels, Adaptable scenes are conference rooms, classrooms, bars, dance halls, KTV rooms and complex high-end professional music environments to achieve satisfactory results.●Clear and pure sound quality: The beltpack microphone is designed with fixed frequency for excellent signal stability and eliminates unwanted distortion. The transmitter has a built-in high-quality chip to provide clear, smooth and optimal real sound.●Stable transmission: The UHF wireless receiver has 4 receiving antennas, 4 XLR outputs and a 1/4 audio output jack, plug and play, providing superb signal stability and sound up to 400 feet.●Exceeds wireless performance: The UHF wireless beltpack microphone features LCD display frequency digits and independent volume control for precise vocal balance. Automatic matching to the receiver on power-up enhances interference immunity. Suitable for speaker systems/amplifiers/mixers, etc.●Dedicated service: 4x beltpack microphones, 4x wired microphones, 1x receiver, 1 user manual If your microphone has no sound, please make sure your microphone and receiver have enough power. We offer a 12-month manufacturers warranty and support. Please feel free to contact us when there is a product quality issue or any other problem.Description