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Deal.ai › Store › Car Accessories › Car Electronics
1
12V Car Radio Signal Amplifier

12V Car Radio Signal Amplifier

Sold and shipped by Deal.ai

$11.99Free shipping

Buy 2, save 10% · 3+, save 15%

Extra 10% off your first order

Color: A

Arrives about Nov 21 – Dec 1, from a warehouse in China

1

30-day full refund: if you're not happy with it for any reason, or it never arrives, tell us within 30 days and we refund you in full. Shipping and refunds

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Price facts

  • Last seen at $11.99 at Deal.ai on Nov 11.

Our take on the 12V Car Radio Signal Amplifier

This is an inline antenna amplifier for car radios. It sits between the head unit and the antenna, takes 12V power through a fused red wire, and boosts weak FM/AM signals. The set also includes clip-on ferrite rings that suppress interference on the antenna cable. It suits drivers in fringe reception areas or with aftermarket radios that pull in weak stations. Compared with a plain passive antenna adapter, it adds active gain and noise filtering, but it does not fix a broken antenna or a head unit with a dead tuner.

Best forDrivers far from broadcast towersOlder cars with weak factory antennasAftermarket radio installs with poor FM receptionReducing alternator or ignition noise on AM/FM
Pros
  • Adds active gain to a weak antenna signal
  • Inline fuse protects the 12V feed
  • Male and female plugs splice into the existing antenna lead
  • Ferrite rings help cut electrical interference
  • Compact metal box fits behind the dash
Cons
  • Needs a 12V power connection, so extra wiring
  • Gain can overload the tuner in strong-signal areas
  • No instructions on which variant fits which car
  • Ferrite rings only help certain noise types

About the 12V Car Radio Signal Amplifier

This is a 12V car radio signal amplifier for a car radio antenna. It is a rectangular box with black cables ending in a male and a female antenna plug. A red power wire with an inline fuse holder supplies the power.

The set also includes small black clip-on ferrite magnetic rings. Four versions are offered: a fourth-generation built-in metal cover model, and a fourth-generation metal box enhanced model, each with or without the added magnetic rings.

Voltage
12V
Antenna type
Radio antenna
Versions
A: fourth-generation built-in metal cover, 12V, magnetic ring. B: fourth-generation built-in metal cover, 12V+10, magnetic ring. C: fourth-generation metal box, 12V enhanced. D: fourth-generation meta
In the box
Amplifier box, cables with male and female antenna plugs, red power wire with inline fuse holder, clip-on ferrite magnetic rings
Service
Installation supported

Questions and answers

Will this improve weak FM reception?
It can help when the antenna signal is weak but present, such as in fringe areas. It will not restore stations if the antenna itself is disconnected or damaged.
Where does the red wire connect?
The red wire is the 12V feed and should go to a switched power source, such as the radio's remote or accessory line, through the inline fuse.
What are the ferrite rings for?
They clip around the antenna or power cable to suppress electrical noise, such as alternator whine or ignition interference on AM.
Does it work with any car radio?
It fits radios with a standard male/female antenna plug, which covers most DIN and aftermarket head units. Check your antenna connector before buying.
Can it cause distortion?
Yes. In areas with strong signals, extra gain can overload the tuner and cause distortion. Turn down the radio's gain or remove the amplifier if that happens.
Where is the 12V Car Radio Signal Amplifier cheapest?
At Deal.ai, for $11.99, as of our latest check.

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