POLINA M660 Wireless Microphone
Industry's first patented technology with automatic hand-sensing, the microphone will automatically mute 3 seconds after leaving the hand (can be placed in any direction and angle), automatically enter power-saving standby mode after 5 minutes, and automatically shut down and completely cut off power after 15 minutes, making it a new concept of intelligent and automated wireless microphone.
¡¤ New audio circuit architecture, delicate high-frequency performance, strong mid-low frequency, and perfect expression in sound details. The strong dynamic tracking ability allows for easy pickup and reception from far and near distances.
¡¤ A new concept of digital guidance technology, completely solving the problem of mutual frequency interference between KTV rooms, never interfering with each other!
¡¤ 100x2 channels with a channel spacing of 250KHz
¡¤ Specially designed mute circuit, completely eliminating the impact noise when turning the microphone on and off
¡¤ The microphone uses easily purchasable size 5 batteries, with a continuous use time of 6-10 hours
¡¤ The microphone uses a unique boost design, and the decrease in battery power does not affect the overall performance of the handheld microphone
¡¤ Ideal environment operation radius of up to 60 meters, suitable for various occasions
¡¤ Default configuration with a blue backlit LCD screen and an aluminum alloy microphone body
¡¤ With infrared automatic frequency matching function, the microphone can quickly synchronize to the working channel of the receiver
¡¤ KTV engineering special model, two microphones and one main unit. It is easy to configure more than 100 KTV rooms. The product has a unique structural design and is easy to maintain.
Frequency range: 640-690MHz; Adjustable channel number: 100x2
Frequency stability: ¡À10ppm; Audio frequency response: 80-13000Hz
Harmonic distortion: ¡Ü0.5%; Signal-to-noise ratio: ¡Ý110dB
Audio output: Balanced output and mixed output
Transmit power: 3-30mW; Modulation method: frequency modulation (FM)
Battery specifications: 2 size 5 batteries
Power specifications: 100-240V 50-60Hz 12VDC (switching power adapter)
or 220VAC/50-60HZ 12VDC (linear power supply)