EXCEPTIONAL SOUND QUALITY: Handheld microphones feature dynamic cardioid cartridges that capture clear sound while minimizing interference and feedback. Headset and lapel mics use unidirectional condenser cartridges for precise sound pickup and premium reproduction, reducing background noise and static. Delivering reliable, high-fidelity sound, these cordless microphone capture every moment with clarity and precision, ensuring your audio is heard exactly as intended in any environment BEYOND-EXPECTATION WIRELESS PERFORMANCE: 4-channel UHF microfono inalambrico set features fixed frequencies at 541.9 MHz, 546.3 MHz, 561.6 MHz, and 568.65 MHz, ensuring an ultra-stable signal and eliminating unwanted distortion. The professional microphone receiver features an LCD screen that displays frequency and has individual volume controls for precise vocal balancing. Enjoy up-to-260 ft freedom of movement compared to wired mics BUILT FOR INSTANT WIRELESS: This wireless DJ microphone system features a memory switch that retains your last settings, enabling quick setup without reconfiguration. Snap-on BNC antennas ensure quick and secure connections, making setup and dismantling fast and effortless. These user-friendly designs together with fixed frequency circuitry make this rackmount wireless microphone set a plug-and-go unit, ideal for home users with fixed setups or sound engineers prepping venues quickly