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Black FM transmitter with dual USB ports and display

Adeco Auto

Adeco Auto FM Transmitter Car Electronics Accessory

SKU CH-J8MB-H7T0K

An FM transmitter that streams Bluetooth audio, handles hands-free calls and charges two devices from a 12 V socket

  • Product typeRadio Transmitter
  • Product colorBlack
  • Bluetooth links phones for hands-free calls and music up to 15 m away
  • Dual USB ports deliver 5 V/2 A total to charge two devices at once
  • FM stereo on 87.5–108 MHz with digital PLL locking
  • Built-in microphone picks up voice from 0.5–2 m for clear calls
  • Operates on 12 V vehicle power from 9–26 V input

FM transmitter for car audio

This Adeco Auto accessory plugs into a 12 V socket and broadcasts audio to the car radio on frequencies between 87.5 and 108 MHz. It accepts wireless connections up to 15 m away and plays MP3 files from a USB stick inserted in the designated port. Dual USB outputs supply 5 V at 2 A total for charging two devices at once. The unit operates from 9 to 26 V and functions in temperatures from 0 to 50 °C.

Drivers who want wireless music and hands-free calls

Commuters with older stereos lacking auxiliary or Bluetooth inputs can stream audio and take calls through the built-in microphone effective from 0.5 to 2 m. Buyers who need higher charging currents, aptX or AAC codecs, or a display for track information should look at other solutions. The transmitter prioritises Bluetooth over USB or line-in sources when multiple inputs are active.

Stereo digital PLL locking on 87.5–108 MHz

The single specification that decides fit is the FM transmission method: stereo digital PLL locking across the full 87.5 to 108 MHz band. If the vehicle’s radio cannot tune this range or suffers strong local interference on these frequencies, the transmitter will not deliver clear audio.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 90% of the 2,768 comparable items (median $21.99).

Specifications

Product
Product typeRadio Transmitter
Product colorBlack

Questions about this item

What Bluetooth version does this Adeco Auto FM transmitter use, and what audio profile does it support?

The transmitter uses Bluetooth version 2.0 and supports the A2DP profile for stereo audio streaming from a paired phone.

What physical connection does the transmitter need for power and where does the U-disk plug in?

It plugs into a 12 V vehicle socket and operates from 9 V to 26 V; only the first USB port accepts a U-disk for MP3 playback.

How do I set the FM frequency and what volume limit avoids distortion?

Tune the car radio to a clear frequency between 87.5 MHz and 108 MHz, match the transmitter to that frequency using the PLL controls, then keep the transmitter volume at 25 or below and use the car stereo for level adjustments.

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