Retekess TR509 Wireless FM Broadcast Transmitter Stereo Radio Station Campus Amplifier Dual Mode with Antenna for Drive-in Church ( Item#: V9035EU )

Features:
Broadcast audio over your own FM station to car radios, walkmen or any device that can receive FM stations.
Line level high-quality stereo input; professional PLL modulation system, make the transmitter work stable, you can adjust the volume of the audio equipment and the microphone in the transmitter until you are satisfied with the sound quality.
The stability of the chassis using high quality aluminum alloy material, excellent heat dissipation, no noticeable sound delay when listening to audio from our FM transmitter.
The transmitter can also be connected to an external microphone device, and is widely used in campus shopping mall broadcasts, conference speeches, church broadcasts, supermarket broadcasts, etc. The switching frequency can be set arbitrarily from 76M to 108M, ranging from 86M to 90M, 95M to 108M, 87M to 108M.
Microphone volume control: TR509 supports AUX/MIC input; TR509 is equipped with a MIC jack and MIC input volume adjustment knob, you can use the microphone when playing audio, and the volume adjustment knob allows you to adjust the input volume more freely.
The long-distance transmitter is adjustable: the broadcast transmitter is equipped with a detachable antenna. With a longer working distance (maximum: 2KM <with external antenna>, 1KM <under 7W standard antenna)  

Specifications:
Type: FM Transmitter
Material: Aluminum Alloy
Color: Black
Working voltage: 11~13V DC
Working current: 1.67A
Output impedance: 50Ω
Harmonic and noise radiation: ≤－60dB
Audio distortion: <0.30%
Preemphasis delay: 75us
Degree of separation: ≥35 dB
Input level: ≤15 dBV
SNR(Signal to Noise Ratio): ≥60 dB
Frequency Range: 76-108Mhz
Package Size: 21.6*21*6.2cm / 8.5*8.3*2.4in
Package Weight: 881g / 31.1oz

Package List:
1 * FM Transmitter
1 * TNC Antenna
1 * 3.5mm Audio Cable
1 * Power Adapter
1 * English User Manual