HQsing Karaoke Microphone MR222. Anti-hauling, true diversity, or lightweight are the best keywords for this series. You can’t go wrong with this investment for your home pro-audio purpose. Hope you will enjoy it. 30-days Risk Free Trial Ð? N phí trong 30 ngày. O hành 1 d? I 1 trong 365 ngày. FREE 24/7 Lifetime Customer Service. Features and further details. Using UHF 902-928MHz to band to aviod interferencing frequency. PLL Ture diversity circuit guarantees no dead spot in working area. Adopt advanced digital pilot technology, preset 30 group frequencies, 8 frequencies in each group, it can ensure 200 sets use together without interference. Preset 240 non-interference channels. Adjustable 600 free frequency. Splendid LCD display shows the RF, AF, Channel, battery, and mute state. It can adjust the transmitter power(HI/LOW) from the receiver. Ideal distance: 80 meters. 19-inch dimensions design, support rack mounting. Suitable for the professional stage, KTV, and high-class occasions. Chassis specification: Standard 1U. Number of channel groups: dual channels. Frequency stability: +-0.005%, PPL. Carrier frequency band: UHF 500-900 Mhz. Channels: 200 preset channels. Effective working distance: 100m (open and wide areas). Oscillation mode: PPL frequency control. Comprehensive S/N ratio: >105dB. Comprehensive frequency response: 45Hz 18Khz +-3dB. Power supply: DC 12V/1A. Sound head: dynamic/cardioid directivity. RF power output: 10mW. Current consumption: 120 mA. Battery: 2 AA batteries (about 8-10 hours). Receiver power consumption: 3W. Dimensions (LxWxD) 480 x 340 x 70 mm. We will respond to you within 24 hours and do our best to help you out! WE OFFER 24/7 CUSTOMER SERVICE!! This includes all original packaging, accessories, and documentation. Items that do not have the original packaging cannot be accepted for return.