TZT KA-4 UHF Professional Wireless Microphone System Cordless Microphone System Four Wireless Mics Features: - With an upgraded professional audio system, wireless microphones suitable for stage performances - Using sturdy and durable materials - Simpler: The mics support automatic frequency matching, eliminating the traditional cumbersome FM - More noise reduction: Effectively reduce ambient noise input, and the sound is clear and noise-free - High quality: using high-quality imported components, strong and anti-falling. Comfortable to use - Acoustic design restores vocals: professional tuners have adjusted them many times to highly restore vocals clearly. More relaxed to sing and bring a different experience to Karaoke entertainment - Comfortable grip: grip for a long time without fatigue. Due to multi-process processing and light luxury craftsmanship, it is not easy to slip. Lightweight microphone resistant to wear and dirt - Dynamic microphone core: The quality dynamic core has a large dynamic range, low noise and a fresh and bright sound.It effectively prevents howling and resists interference - UHF technology: UHF anti-interference chip can effectively shield the ambient noise, restore the sound quality, and make your performance smoother - Automatic IR frequency pairing:After booting, it quickly and automatically searches and matches - 50m/164ft transmission: The pure copper core antennas make the reception more stable, the anti-interference ability stronger, and the coverage range is wider - Suitable for a variety of equipment: sound cards, amplifiers, mixers, preamp effects, active speakers, KTV Karaoke speakers, jukeboxes and home audio - Usage scenarios: large conferences, family entertainment, and stage performances Microphone Parameters: - Frequency range: 550.00-650.00MHZ - Clutter suppression: -45DB - Frequency stability: within ±0.005% - Harmonic distortion: 0.5% - Frequency response: 20HZ-20KHZ - Maximum frequency offset: ±15K - SNR: 96DB Receiver Parameters: - Frequency stability: ±0.005% - Dynamic range: within 100DB - Maximum offset: ±15K - Audio frequency response: 20HZ-20KHZ - SNR: = 105DB - Receiving sensitivity: -94DBM - Working distance: 50m/164ft Package Included: - 1 x Main Unit - 2 x Antennas - 4 x Microphones Note: - Batteries are not included. Usually it costs about 30USD-50USD. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days. This item is in the category "Musical Instruments & DJ Equipment\Pro Audio Equipment\Microphones". The seller is "tztmotor" and is located in this country: CN.