Feature:1. STURDY CONSTRUCTION: Utilizes high grade aluminum alloy for excellent stability and low fan noise, providing outstanding heat dissipation and stable transfer of high definition sound.2. MICROPHONE VOLUME CONTROL: Equipped with a 3.5mm microphone sound jack for flexible interface control, allowing simultaneous use of microphone with any sound source for better functionality control.3. WIDE APPLICATION: Suitable for outdoor cinemas, churches, parks, schools, factories, hotels, festival light shows, homes, and parking lots, to meet your needs to use perfectly!4. HIGH PERFORMANCE: DC12V voltage, less than 0.3A operating current, frequency range of 76108MHz, PLL frequency synthesis for stable transfer, and stereo separation of 50dB.5. ENHANCED SOUND FUNCTIONS: Offers clear sound with frequency response of 8015000Hz, distortion less than 2%, 15% modulation, and adjustable input level of 15dBV to meet various sound needs.Specification:Item Type: FM Stereo TransmitterMaterial: Aluminium AlloyPower Supply Voltage: DC12VWorking Current: <0.3AFrequency Range: 76-108MHzFrequency Step Value: 100kHzFrequency Stabilization Mode: PLL frequency synthesisFrequency Stability: 10ppm(-10 C+60C)Modulation Frequency Deviation: 75kHz (full)Operating Mode: Continuous WorkingHarmonic and Spurious: -60dBSignal-to-Noise Ratio: 60dBStereo Separation: -50dBSound Frequency Response: 80-15000HzSound Distortion: < 2%Modulation Degree: 15%Input Level: -15dBV (Adjustable)Output Impedance: 50Output Power: 0.5W.Package List:1 x FM Stereo Transmitter 1 x Antenna1 x Connection Cable