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SolderStick DashTune FM Transmitter

SolderStick DashTune FM Transmitter

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In stock - Ships On Saturday, August 15

Selling Fast: 43 Kits Sold In Last Hour

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  • Plays through the speakers you already own. Streams straight from your phone to your factory radio, locked to one clear frequency — no static, no drift.
  • Turns your radio into a legal hands-free speakerphone. One press answers the call — your music steps aside, the caller comes through every speaker, both hands stay on the wheel.
  • Set up in the time it takes to back out of your driveway. No tools, no shop, no dash panels off — plug it in, match the number on the screen, drive.
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As Featured In

Two Phones. Fully Charged. Zero Waiting.

DashTune's dual USB ports — including QC 3.0 fast charge power up your phone and your passenger's at the same time, up to 4x faster than a standard charger. Add the digital FM display for one-glance tuning and hands-free calling built in, and it's not just a charger. It's everything your factory radio was missing. Works with most cars and trucks, 12V or 24V.

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DashTune Vs Others

VS

  • Locks onto one clear frequency
  • Streams your phone's audio digitally
  • Doubles as a legal hands-free speakerphone
  • Fast-charges two devices at once
  • Auto-reconnects every time you start the car

Others

  • Drifts off frequency mid-drive
  • Weak analog signal
  • No hands-free calling
  • Slow charging, or no charging port at all
  • Re-pair from scratch every time you get in the car

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Find Out Why 50,000 Customers

Love SolderStick

Find Out Why 50,000 CustomersLove SolderStick

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Dale W.

icnVerified Buyer

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I'll be honest, I bought one of these FM transmitter things back when iPods were around and it was garbage, static the whole time. Only got this because my CD player finally quit in my 03 Silverado and I wasn't about to spend $600 at a stereo shop. Set it to 107.9 like the instructions said and it locked right on. Been 2 months now, drive 40 min each way to work, zero static. I stand corrected.

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Karen M.

icnVerified Buyer

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Got this for my husbands truck because he was always holding his phone driving and our state has the hands free law now. Took him about a minute to set up and he wont stop talking about it lol. Calls come thru the truck speakers and people can actually hear him. I took his to my van for a week so he ordered me my own. Should have done this years ago.

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Marcus T.

icnVerified Buyer

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Drive a 2009 Corolla I got from my grandpa, no bluetooth no aux nothing. This thing had Spotify playing thru my actual car speakers in like a minute, sound is way better than I expected honestly. Charges my phone fast too with the orange port. Only reason for 4 stars is the light stays on which I like at night but wish I could dim it. Still 100% worth it, my friends all asked what it was.

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Renee P.

icnVerified Buyer

log

My 2011 Highlander doesn't have Bluetooth and I was so sick of using an aux cord that kept falling out every time I hit a bump. Plugged this in, set it to 88.1, and now Spotify just plays through the speakers like it was supposed to be there the whole time. Also charges my phone while it streams, so that's one less cord in my cupholder. Kids in the back don't even notice it's not the real radio.

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Frequently Asked Questions

Will this work in my car?

f your car has an FM radio and a cigarette lighter socket, yes — that's the whole requirement. It doesn't matter if your car is a 1998 or a 2015, and there's nothing to install. It works with any iPhone or Android.

Won't it just be static like the old ones?

This is the question we get most, usually from people who tried an FM transmitter 15–20 years ago. Those units pushed a weak analog signal through a drifting tuner on AAA batteries. DashTune streams digitally from your phone and locks onto one empty frequency with PLL tuning — the same frequency-locking tech real radio stations use — powered by your car at the full legal limit. Set it once, it stays put.

I live in a big city with a crowded FM dial. Will it still work?

Yes — you just need one empty frequency, and every dial has them (the low end around 87.5–90 and high end around 106–108 are usually wide open). The display shows the exact number so you can match your radio in seconds. If your dial is truly packed, choose the frequency with pure silence, not one with a faint faraway station.

Can callers actually hear me?

Yes. The built-in noise-reduction mic is made for a moving car — callers hear you through it while their voice plays through your car speakers, louder and clearer than any speakerphone in a cupholder. Your music mutes automatically when a call comes in and picks back up when you hang up.

Is broadcasting on FM even legal?

Completely. The FCC's Part 15 rule allows low-power FM transmitters — it's the same rule drive-in theaters use to send sound to your car radio. The signal reaches about as far as your driveway, and your radio is 18 inches away.

Do I have to pair it every time I get in the car?

No. After the first pairing, it reconnects to your phone automatically when you start the car. Turn the key, music's back.

Will it drain my car battery?

In most cars the socket powers off with the ignition, so no. If your car's socket stays live when parked (some older models), just unplug it when you leave — it takes one second and it's the only "maintenance" this device will ever ask of you.

What about charging — how fast is it?

There are two USB ports plus USB-C, with fast-charge on the orange port. It'll keep your phone topped up while it streams — no more arriving with 4% battery because the map was running.

How Long Does Shipping Take?

Our shipping typically takes 3-5 business days in the USA and 7-10 business days in other parts of the world.

Is There a Warranty or Guarantee With Solderstick Products?

If you are not completely satisfied, we are here to make it right.

We stand behind our products with a 90-day money-back guarantee.

Plus, our customer support team is always ready to assist with any questions or concerns.

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Product Overview

Finally — Bluetooth in the Car You Already Own

No aux jack. No Bluetooth. If your car was built before 2014, chances are your radio is locked in the past — while your music, podcasts, and phone calls sit trapped on your phone. The DashTune Bluetooth FM transmitter fixes that in about sixty seconds, without tools, installation, or a $700 stereo swap.

Plug it into your cigarette lighter socket, match your radio to the number on its display, and your phone streams straight through the speakers your car has had all along.

Stream Music Through Your Factory Radio — Without the Static

Older FM transmitters earned a bad reputation, and DashTune exists to end it. It receives a clean digital Bluetooth stream from your phone, then digital PLL tuning locks it onto one empty FM frequency and holds it there — no drift, no crackle, no fiddling. Powered by your car's 12V socket, it broadcasts at the full legal limit on every drive. Your radio can't tell the difference between DashTune and a real station. That's the point.

Take Hands-Free Calls Legally in Any State

Handheld phone use behind the wheel is now banned in 33 states — and older cars got left out of the hands-free era. DashTune turns your car stereo into a speakerphone: the noise-reduction mic picks up your voice, callers come through every speaker, and your music auto-mutes for calls and resumes when you hang up. One button, both hands on the wheel.

Fast-Charge Two Phones While You Drive

Dual USB ports (including QC fast charge) plus USB-C mean your phone — and your passenger's — arrive full. The digital display shows your frequency at a glance, the control knob adjusts volume and tracks, and the soft LED ring makes it easy to find at night.

Works With Any Car, Any Phone

  • Any vehicle with an FM radio and a 12V socket — 1990s to today
  • iPhone and Android, no app required
  • Auto-reconnects every time you start the car
  • Setup in 60 seconds: plug in, set frequency, drive

Try It Risk-Free

If you can't get clear sound in your car, you don't pay — every DashTune is covered by our 30-day money-back guarantee. Your paid-off car is one plug away from feeling new again.