Takstar X4-TD UHF-X4-TD handheld microphone. At the same database, you can connect any type 4 X4 Series transmitters, depending on your needs. Radio X4 actually requires no effort by the user to install it and configure. Thanks to the automatic functions of the frequency selection and transmitter settings the system automatically scans radiolandshaft and instantly finds a free channel. As an infrared synchronization frequency technology, LCD display on the receiver and transmitter for simple and convenient operation. Time of continuous work to: 8ch.mak. Technology receiving the double conversion. Has 10 frequency bands preset reception without interference for easy configuration of multiple systems in a single location. It developed with 4 independent audio outputs, and one output and mixed 4 independent channel volume controls. System Specification & bull; Frequency range: 780 ~ 820 MHz & bull; Modulation Mode: FM & bull; Adjustable band: 40 MHz & bull; The number of frequency: 800 & bull; Frequency range: 50 kHz & bull; Frequency stability: & le; & Plusmn; 0,005% & bull; Dynamic range: 100dB & bull; Max. Frequency deviation: & plusmn; 48 kHz & bull; Audio frequency response of 80 Hz-12 kHz & bull; Signal / noise ratio: 85 dB (weighted) & bull; Total Harmonic Distortion: & le; 1,0% & bull; Operating Temperature: -10 ~ + 40 ℃ ℃ receiver Specification & bull; Receive Mode: double conversion superheterodyne & bull; Intermediate frequency: first: second 184.2 MHz: 10.7 MHz & bull; Wireless interface: TNC / 50 & Omega; & Bull; Sensitivity: 12 dB microvolts (80 dB / N) & bull; Max. Output: 3 dBV transmitter Specification & bull; Output power <10mW & bull; Power supply: AA battery 2pcs & bull; playback time: up to 8 hours