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Compact zinc-alloy FM transmitter with dual USB ports and colour display

NShi

NShi Bluetooth 5.0 FM Transmitter QC3.0 PD 18W Car HD Radio

SKU CH-4RK1-ED5GD

Bluetooth 5.0 FM transmitter with QC3.0 and PD 18W fast charging, hands-free calling, and U-disk music playback from 87.5-108.0MHz

  • HighlightsBluetooth Wireless
  • Compact metal shell fits flush in lighter socket and dissipates heat safely
  • Dual fast-charge ports deliver 18 W USB-A QC3.0 and 30 W USB-C PD simultaneously
  • Bluetooth 5.3 connection pairs quickly and streams lossless audio without dropouts
  • Hands-free calls and voice-assistant support keep eyes on the road
  • FM 87.5–108.0 MHz transmission plays music through any car stereo

Compact Zinc Alloy Build

The transmitter uses a unibody zinc alloy shell that fits flush with the 12V to 24V socket and dissipates heat better than plastic alternatives. Its small footprint keeps the dashboard clear while the metal construction resists melting under continuous use.

Dual Fast Charge And Bluetooth 5.3

Two high output ports deliver 18W USB-A QC3.0 and 30W USB-C PD simultaneously taking compatible devices from empty to eighty percent in thirty minutes. Bluetooth 5.3 provides stable lossless streaming and quick pairing across a ten metre range while the built in microphone supports hands free calls and voice assistant activation within half to two metres.

FM Transmitter For Older Vehicles

Drivers with cars lacking auxiliary or Bluetooth inputs can broadcast audio on any frequency between 87.5 and 108.0 MHz and play FLAC WAV MP3 or WMA files from a USB stick. The unit requires a 12V to 24V supply so it is unsuitable for 6V electrical systems or vehicles without a powered accessory socket.

How it compares

Measured against everything we stock in HD Radio Tuners & FM Transmitters, at today’s prices. Recalculated every night.

Price $30.99
Pricier than about 56% of the 127 comparable items (median $27.99).

Specifications

Product
Brand nameAudiovox

Questions about this item

Will the zinc-alloy shell need any special cleaning or replacement over time?

The heavy-duty zinc-alloy unibody is designed for long-lasting use and better heat dissipation; no specific cleaning or replacement schedule is indicated.

What stops me from drawing full power from both fast-charge ports continuously?

The 12 V–24 V vehicle supply and the intelligent protection circuit limit sustained output, so total draw is constrained by the car socket and thermal safeguards.

How hot or noisy does the adapter get when charging two devices all day?

The metal shell improves heat dissipation and the unit has no fan, so it runs silently; temperature rise depends on the vehicle voltage and combined load.

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