CONSISTENT WIRELESS TRANSMISSION: Operating on a UHF 530-580MHz frequency range, the wireless microphone system ensures stable and interference-free signal transmission. With 4x25 frequency groups, the cordless microphone effectively avoids cross-frequency interference and supports seamless multiset operation. The wireless mic set offers a long range of up to 260 ft/80 m that allows you to move freely around the stage, enabling consistent performance throughout the event LOSSLESS AND OPTIMIZED SOUND QUALITY: The handheld microphones with unidirectional cardioid cartridges capture your voice crystal clearly, isolating unwanted background noises. Dual sponge design for filtering pops sound. Well-designed circuitry transmits audio smoothly without cutoff, feedback, buzzing, hissing, or humming. The microfono inalambricos para karaoke renders robust, crisp, warm, and clear sound quality, suitable for home karaoke, DJ, church, weddings, public speaking, meetings, etc. EASY MUTE CONTROL