1: The use of advanced digital audio signal processing (DSP) technology and FM modulation phase-locked loop (PLL) to make sound more realistic, more stable performance, and longer working hours without frequency offset. 2: LCD display is more intuitive and accurate, with a very low power consumption and minimal noise interference. 3: Built-in 16 digital volume adjustment button. 4: All the data is automatically stored when powered down. Memory is not lost. 5: Multi-channel audio input automatically switches to the appropriate input.
Instructions for use:
1: Power You can not use the switching power supply without a filter (such as mobile phone chargers, and other low-quality switching power supply), otherwise interfere with the power will affect the normal operation of the module. This module is the normal operating voltage of 3.0-5.0V, be careful not to exceed the supply voltage range. Battery or Linear Power Supply is recomended.
2: Buttons Frequency: Short press will adjust frequency in 0.1MHZ Increments. Long press will adjust in 1MHZ Increments.
3: Antenna ANT port for connecting an FM antenna, in order to better transmit FM signals, the proposed length of 75cm external whip antenna, and as close to the antenna as possible.
4: USB Audio Connection If you want to broadcast from USB audio, you need to connect a USB cable to the computer. USB port is compatible with ordinary mobile phones, it can use the USB cable to connect the phone and the FM Transmitter module. The USB Port supplies 5V output, so you don't need to connect external power. After connecting the computer USB, this module will automatically enter the PC audio broadcast mode, LCD screen will display the PC, the computer will automatically install the drive, and the module will be named "CD002" sound card device. Set up your computer to send audio through this module.
5: LINE Audio Connection To use the LINE (line input) connection, just plug an audio cable into the 3.5mm audio jack on this module, and the other end into your audio device (such as a cell phone headset jack), and the module will automatically switch to LINE Input on the FM transmitter. The USB port must be un-plugged.
6: Wireless Microphone If you want to use the built-in MIC, simply unplug the LINE cord and USB cable, and the module will automatically switch to the MIC Input.
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