Retekess TR502 15W FM Transmitter Long Range Wireless Broadcast Stereo Station 8 Level RF Power Adjustable Support AUX Input USB for Church(Silver)

Want to buy a transmitter for a x-mas light show
Would this be suitable at a large church to broadcast ipod music to multiple outdoor fm radio speakers
Want to use this in my church to translate the sermon
It's footprint is very small, it's easy to set up & break down, and sounds great on the air

Strong signal,Clear sound
Designed with advanced modulation system and built-in PLL frequency, audio pre-emphasis, limiter, and low-pass filter circuit,which support a strong clear signal for long distance

FM transmitter Long Range
2-level RF power adjustable, The Power wattage orders is 5W/15W;1/4 wavelength of strong magnetic sucker antenna,easy to move the antenna to the outside, the roof, balcony or window, more effective transmission and reception of electromagnetic waves

Heat dissipation
15W fm transmitter use dual ball bearing fan, reasonable heat dissipation channels, excellent thermal performance
Note:When it cools, the built-in fan needs to accelerate the rotation. the Fan noise is about 30 decibels

Wireless and U disk play
You can connect wireless to mobile phones, tablets and other Wireless devices;U disk play function, support lossless format FLAC/WAV, compatible with a variety of other commonly used formats

Specification:
Frequency Range FM:87~108MHz
Wireless distance about 5m
Operating Temperature:-10°C~45°C

Antenna:
Connector Type TNC
Gain 2.15dB
Impedance 50Ω
Maximum stretch length 1150mm (3.77 ft)
Shortest contraction length 210mm(0.69 ft)
Feeder length 5m (16.4 ft)

Package Includes:
1 x 5W/15W FM Transmitter
1 x Power Adapter
1 x Telescopic Antenna
1 x Audio Line
1 x English Manual