Wireless Microphone KTV Karaoke Conference Two-channel Automatic Handheld Adjustable Frequency Microphone,210 * 50 * 155mm,black

"Features: 1. Super-cardioid directivity: The use of super-cardioid directivity can effectively suppress unnecessary noise and echo. 2. The use of metal mesh head anti-drop: the microphone multi-stage narrowband high-frequency and intermediate-frequency filtering, which fully eliminates interference signals, and there is no need to worry about excessive volume and second distortion. 3. Thickened anti-noise cotton: the thickness is up to 5mm, which helps eliminate environmental noise and has an excellent anti-whistling effect. 4. Heat treatment technology: The metal mesh head adopts heat treatment technology and has a built-in high-efficiency filter sponge, which can effectively filter wind and noise. 5. Imported mark: built-in high-sensitivity sound head, strong ability to pick up sound source. Description: This product is a microphone set with a built-in high-sensitivity sound head, which has a strong ability to pick up sound sources. Specifications: Model: PLL Frequency range: 620MHZ-950MHZ Debug model: FM Modulation range: 25MHZ Total channel: 200CH channel Pitch: 250KHZ Frequency stability: ±0.005% Dynamic range: 100db Maximum deviation: ±45KHZ AF response: 80HZ -15KHZ (±3db) Total signal-to-noise ratio: 105db Total distortion: =0.8% Receiving sensitivity: 12dBuV (80dBS/N) Total harmonic distortion: Harmonic interference: =50db Mirror interference: =60db Working environment temperature: -10?~+40? Size:210 * 50 * 155mm Package Included: 1 * Receiver(Without battery) 2 * Handheld microphones 1 * Audio cable 1 * Adapter Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object."