FM25TX 2.5W FM Transmitter 76MHz-108MHz TX/87-108MHz RX MP3 Music Transmitter

Introduction:
- FM25TX is an FM transmitter with a power of 2.5W, compatible with audio decoders, integrating audio decoding FM signal transmission function, and also compatible with FM radio function. Bluetooth audio, USB decoding playback, AUX input, PC sound card, FM transmitter, FM radio, six in one function. The chip uses SOC, which integrates a 32-bit MCU and an aDSP specifically designed for audio decoding. It adopts a hard decoding method to ensure the stability and sound quality of the system. The audio signal can be set to EQ sound mode to improve the quality of FM transmission. Users can set their favorite mode according to the playback quality of music.
- FM transmission function: It can transmit Bluetooth audio, USB, AUX, and PC audio signals from mobile phones through FM, and then listen to them with a radio.
- FM transmission power: 2.5W
- Decoding and playback function: It can connect mobile Bluetooth audio, USB, AUX, and PC audio signals to the amplifier through the 3.5 audio output port.
- EQ sound mode functions: Normal, Rock, Jazz, Country, Pop, Classical.

USB Decoding Format:
- Supports playing MP3, WAV, WMA, FLAC formats, breakpoint memory and track memory functions, with a maximum support of 128GB.
- Supports all bit rates 11172-3 and ISO 13813-3 layer3 audio decoding.
- Sampling rate support (kHz): 8/11.025/12/16/22.05/24/32/44.1/48.
- Support EQ sound effect settings.
- Support single loop playback, where the entire USB file is played in a sequential loop, starting from the first track by default.

Bluetooth Reception:
- Bluetooth 5.3 version, supports HFP/A2DP/AVRCP/HSP/GAVDP/IOP/SPP/BLE, with a distance of about 10M.
- The frequency range of Class 2 4dbM is 2.4G-2.480G.
- Support EQ sound effect settings.

PC Sound Card:
- The no drive USB sound card function allows you to connect your computer and player via USB, connect your computer audio to an amplifier, and send it out through an FM transmitter for radio listening.
- AUX audio input: Audio signals from other players can be input through the AUX input interface and then sent out through FM signals. At the same time, they can also be output through the AUX output port and connected to an amplifier.

Radio:
- Display the number of received radio stations, current radio station number, current radio station frequency, and support memory storage.
- The receiving frequency is 87.5MHz-108MHz and does not support Japanese frequencies.
- Automatic reception/manual frequency modulation.

FM Transmission:
- Stereo transmission, if the input is stereo, it will transmit stereo; if the input is mono or mixed, it will transmit mono or mixed, which cannot be set.
- Stereo separation degree >35dB
- The transmission frequency is 76MHz-108MHz, supporting global frequencies.
- Set the frequency step to 0.1MHz
- Transmission power of 2.5W.
- The transmission distance is related to the environment and the receiving sensitivity of the radio. Of course, the biggest reason is still the transmission power, it is generally above 1000 meters.

Package Included:
Telescopic Antenna:
- 1 x FM Transmitter
- 1 x Feeder Line
- 1 x Telescopic Antenna

GP Antenna:
- 1 x FM Transmitter
- 1 x Feeder Line
- 1 x GP Antenna