Karaoke Wireless Microphone UHF WM-550R

Product Description The Sonken UHF professional frequency-fixed wireless microphone system is a system that operating in UHF band. The traditional wireless microphone system is easy to be interfered by the harmonic coming from the digital apparatus such as DVD player and CD player. To solve the problem, Sonken UHF professional wireless microphone system adopts the unique technology of anti-interference to protect the muting control system being opened by the noises and signals from outside, and it also adopts the selective multilevel narrow band filter for UF and IF to avoid the system being interfered. Features 1. Using UHF 480-600 MHz band to avert frequency interference. 2.All using quartz crystal oscillating circuits 3.High efficiency batteries consumption design, so the handhold could be in using for 10 hours continuously.(AA batteries)? 4.The space availability is more than 60meters at the clearing 5.It is suitable for stages, ballrooms, classrooms and home use. Specifications 1. COMPREHENSIVE PERFORMANCE Carrier Frequency: UHF 490-550MHz Frequency Stabilization: 90dB Total Harmonic Distortion: 90dB Image & Spurious Rejection: >80dB Border Upon Channel Rejection: >80dB Receiving Sensitivity: 10dBuV (SIGNLAL=30dB) 3. HANDHOLD MICROPHONE Transmitter Power: 8.5mW Modulation Type: FM, F3F Max Deviation: ±25KHz Spurious Emission: >40dB Battery Voltage: 9V×1 Battery Life: 8 hours Click here to download the user manual [PDF format]