The classic BA1404 FM stereo transmitter board kit helps to learn and master the working principle of pilot-based FM stereo transmitter. It is easy to assemble, low voltage, high stereo separation, and good sound quality.

 

The board uses FM stereo transmitter integrated BA1404 and 9018 RF amplifier circuit. The frequency is stable. The working voltage is 3V, and the advanced pilot frequency modulation stereo transmission technology is adopted, which can convert the stereo audio signals of audio equipment such as DVD players, TV sets, CD players, and radio-audio equipment into FM stereo waves, which can realize the wireless high protection of stereo audio signals. True transmission. In addition to transmitting stereo signals, the board can also be used as a wireless microphone. When a stereo audio signal is inserted, it can be used as an FM stereo transmitter. When a lavalier microphone is inserted, the transmitter becomes an FM wireless microphone with the microphone volume. adjustable. Audio transmission line or lavalier microphone line doubles as a transmitting antenna. The working frequency is continuously adjustable within 85-115MHz. Buyers can adjust the frequency above or below this frequency band by themselves, and the frequency band bandwidth is about 20MHz. Its reference launch distance is about 10 to 100 meters in an open environment. It is suitable for school tutoring students' radio teaching or radio enthusiasts assembling.

 

1PCS * BA1404 FM Stereo Radio Transmitter Module BP Machine Type Transmitting kits(No English Instruction)