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songhe fm transmitter pickup module - mini wireless microphone for fm emission - wireless audio transmitter mic core board v4.0 logo

Songhe FM Transmitter Pickup Module - Mini Wireless Microphone for FM Emission - Wireless Audio Transmitter MIC Core Board V4.0 Review

6

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Poor

Revainrating 2.5 out of 5  
Rating 
2.5
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Description of Songhe FM Transmitter Pickup Module - Mini Wireless Microphone for FM Emission - Wireless Audio Transmitter MIC Core Board V4.0

This item make the sound around the microphone into the FM radio, and transmit out to achieve pickup and wireless radio FM transmitter. he launch frequency is adjustable, the core board green components is the adjustable capacitor, change the adjustable capacitor can change Launch frequency, adjustable range covering 88-108MHZ GB FM-band. You can use the radio and the phone (the phone with the headset line to do the antenna sensitivity is poor, is not recommended as a receiver) as a receiver!. It is widely used in voice pickup transmission, audio MIC, the elderly and children sleep monitoring, etc. need to pick up the sound of the occasion!. The back of the core panel is labeled +,- and ANT,representing the power positive,negative,and antenna ends.The antenna generally soldered a 0.7 meter long short wire on will be OK,which is very easy!.

Reviews

Global ratings 6
  • 5
    1
  • 4
    0
  • 3
    2
  • 2
    1
  • 1
    2

Type of review

Revainrating 1 out of 5

Unnecessary 60 Hz noise cannot be eliminated.

60 Hz are introduced by the antenna itself. I shielded the board and had ZERO noise reduction. fraud, garbage. The seller knew about it and sold it anyway.

Pros
  • Excellent price
Cons
  • Little things

Revainrating 3 out of 5

Great idea, bad execution.

It was plugged in and working but every once in a while I had to go over and 'tap' on resistors and such to send it. No "weak" joints found.

Pros
  • Stylish and modern design
Cons
  • Appearance

Revainrating 1 out of 5

Doesn't work with MP3 and MP4 player accessories

The best I could get from this mic was a loud buzz and very little sound. Connected to a 9 volt battery. Every time your hand gets close to the device, it buzzes louder and the frequency drifts. Almost useless.

Pros
  • Good thing
Cons
  • There are problems

Revainrating 3 out of 5

The fundamental frequency is half the specified operating frequency

When the FM receiver receives a signal from a 100MHz transmitter, the fundamental frequency of the transmitter is 50MHz. You hear the second harmonic in the FM receiver. The power level of a 100MHz signal is about 11dB below pitch. The power level of the fundamental frequency is about 10 mW.

Pros
  • Price
Cons
  • No automatic

Revainrating 2 out of 5

They are not suitable as a handheld wireless FM microphone.

I bought 2 of these. I couldn't get them to stay on frequency because every time you put your hand over it the frequency changed a lot making it very difficult to get it right. They can work well as an FM bug or baby monitor where you can mount them and not touch them during use, but they don't work well as a portable FM microphone due to frequency drift if your hand gets close to them. . Ok for the money, but not outstanding.

Pros
  • Sturdy construction
Cons
  • Vulgarity

Revainrating 5 out of 5

Works as expected, good for portable audio and video

The only clues are in the product description in the listing, not the device. Pretty easy to set up. I used a lithium cell for the power supply, about 4 volts. Added an antenna as suggested and set the radio to a quiet spot around 108. Use a tiny screwdriver to adjust the cap until I heard feedback. Anyway, the microphone overloads the transmitter, I had to keep the radio volume down, but I'm very happy with the price and performance. I haven't tested the full range but will work on my porch…

Pros
  • This is amazing
Cons
  • Some bugs