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FM Signal Amplifier

Signal booster for problem reception areas

43 Reviews | 3 questions - 10 answers

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Want to hear that distant radio station a little bit better? Here's a signal amplifier that will help, boosting FM signals by 15dB. This signal amplifier plugs in between your antenna lead and your radio. It is switchable on/off. Warranty: 30 days.

Want to hear that distant radio station a little bit better? Here's a signal amplifier that will help, boosting FM signals by 15dB. This signal amplifier plugs in between your antenna lead and your radio. It is switchable on/off. Warranty: 30 days.

Note: Antenna boosters can improve reception of a distant station, but they work best in relatively flat country with few obstructions. They are not effective with interference caused by mountains or large buildings.

What's in the Box:

  • FM signal amplifier with attached 29" power wire and 26" antenna cable with male Motorola plug
  • Mounting bracket
  • Instruction sheet
  • 3 mounting screws; Note: Antenna adapters and/or DIN removal tools are required for some vehicles!

FM Signal Amplifier Reviews

Average Customer Review(s):

(43 Reviews)


PAUL from Silverthorne, CO on 4/20/2017

2002 Ford Explorer
Crutchfield Customer Review (What's this?)



Cons: NONE

FM Signal Amplifier

Andy from Plymouth, MA on 3/22/2017

2003 Nissan Pathfinder LE
Crutchfield Customer Review (What's this?)

Good product

Pros: Small

Cons: Good

FM Signal Amplifier

Gene from Nebraska on 9/1/2016

1983 Honda Civic
Crutchfield Customer Review (What's this?)

Pushed the button and the guts pushed out the back

Pros: At least, it does work

Cons: Cheap made. Premium price.

FM signal amp

JimH from Sykesville, MD on 7/25/2016

2007 Mazda 3
Crutchfield Customer Review (What's this?)

It could be the area I'm in, but I haven't found a signal amp which does anything, including this one. Maybe it works if you're closer or farther from stations.

Pros: Cheap, easy to install

Cons: Waste of time and money (for me)

Crutchfield response on July 26, 2016 Whenever you encounter a problem with anything you purchase from Crutchfield, please contact our tech support team right away. They can help you solve the problem or set up a return within 60 days of purchase. Lifetime tech support comes with every Crutchfield purchase.


Russ R from Colebrook NH on 6/11/2016

2000 Honda Civic
Crutchfield Customer Review (What's this?)

Poor design, Button gets hung up inside. First time I tried to push the button the inside pusshed through the back side. Did not improve reception either.

Pros: Easy to installl


Antenna booster

GR from Parlier, CA on 6/10/2016

2006 Chevrolet Silverado 1500
Crutchfield Customer Review (What's this?)

Awesome worked perfect,great doing business with you guys



Not bad

Noe from California on 5/26/2016

2013 Smart fortwo
Crutchfield Customer Review (What's this?)

The product is OK. Did not notice much of a difference, but it could be my antenna that is giving the problem. Product is also a little big.

Pros: Easy to instal

Cons: Did not notice much of a difference.

Function quality to be desired

GIl M from Minooka, IL on 5/18/2016

1999 GMC Jimmy
Crutchfield Customer Review (What's this?)

Poor function, pressing the button causing the button to get hung up inside the bezel that comes with the unit. Poor bezel button design and function.

Pros: Seems to work OK

Cons: Bad design and button function.

nice unit

wooly from Aberdeen, WA on 4/18/2016

2005 Ford F-150
Crutchfield Customer Review (What's this?)

Does help receive stations I just leave the unit on all the time and radio on distant and I get stations about 20 % more than without the unit. I have this unit connected to the Jensen vx 6020 which was reviewed as not getting very good reception and this units improves it about 20% even in heavy timber area where I live.

Pros: helps improve radio reception very small amount.

Cons: does help a whole lot to improve reception.

Pretty good

ChanceB from Spencer, ok on 12/16/2015

2006 Chevrolet Silverado 1500
Crutchfield Customer Review (What's this?)

It works pretty well, not a miracle fix, but definitely improved my signal reception.



Bad Product

Terry from Oregon on 11/30/2015

1998 Jeep Wrangler
Crutchfield Customer Review (What's this?)

This product did Nothing for reception!!

Pros: easy to install

Cons: Did Nothing for reception!!

Crutchfield response on December 2, 2015 Once we saw this review, our Tech Support team reached out to help the customer. We'll either help him get it working the way it should, or help him return it for an exchange or refund.

FM Signal Amplifier

Coffey from Virginia on 11/9/2015

2003 Toyota Camry
Crutchfield Customer Review (What's this?)

We bought this amp to increase the raido in a car for a friend...but we got it hooked up and really didn't see a big sound now I'm going to try it in my truck to see if it will boast the sound...we were dissapointed that it didn't do what we hoped but willing to try it again before returning it...

Pros: Not to hard to install

Cons: Didn't performed with the first try like we hoped

small effect

km from Rhode Island on 8/16/2015

2010 Dodge Ram 1500
Crutchfield Customer Review (What's this?)

Easy install. Button quality is low. Minor improvement in signal

Pros: Easy instll

Cons: Questional quality build

FM Signal Amplifier

PerryH from Illinois on 6/11/2015

2011 Ford F-150 XLT
Crutchfield Customer Review (What's this?)

Easy hookup install amplifies signal mount construction not good

Pros: amplifies signal

Cons: poor construction

fm signal amplifier

ag from so cal on 6/2/2015

Crutchfield Customer Review (What's this?)

the product does what it's supposed to but the quality is poor.

Pros: amplifies fm signal

Cons: cheap construction had to remove bezel case and the push button to make it operational.

Works but quality lacking

ldesy from Massachusetts on 6/1/2015

2005 Hyundai Santa Fe
Crutchfield Customer Review (What's this?)

After installing the product I can now pick up 31 stations instead of 14. So the product works, I was a little disappointed with the quality of the switch though. It's a little hard to actually get the button to press on and off.

Pros: easy to install increased the number of station I could receive

Cons: lacking quality of workmanship Had to install under the dash

Doesn't Work

Kevin from Las Vegas, NV on 2/22/2015

Didn't work at all. No difference in signal strength.



works well

bakerstrike from newton, nc on 7/22/2014

1998 Mitsubishi Eclipse
Crutchfield Customer Review (What's this?)

I hooked it up in my 98 eclipse and it worked better than I expected. Actually when I had it of but still hooked up it seem to work alot better.

Pros: Clearer and stronger signal. cheap

Cons: Bulky and if you want to mount it any where you need room and an antenna cable extender

FM Signal Amplifier

NomadPar from Missouri on 6/25/2014

2007 Chevrolet Silverado 1500 Classic
Crutchfield Customer Review (What's this?)

Boost the FM signal to a useable level.



Used for testing a bad FM tuner head

Wes from Rockville, Va on 5/24/2014

2001 Ford Crown Victoria
Crutchfield Customer Review (What's this?)

I had purchased a Kenwood KDC-BT955HD in March 2013. End of April 2014 FM tuner section picked up less stations (AM was OK and I put an older head which FM HD worked OK). (Note I"m an RF broadcast engineer ) EX: I live 15 miles from an WCVE transmitter and usually get instant HD digital lock. I did a road test and got a HD Digital lock 2.5 miles from the transmitter. I was trying to troubleshoot if problem was the front end of the tuner or the AGC. Amp overloaded the front end to the point I couldn't pick up even the local stations. So I sent the Head to Kenwood for repairs. This test only validated my assumption to Kenwood that I was not just an average Joe in troubleshooting the problem.

Pros: Only cost me $23 to do a troubleshooting test. May have some use in the future for it for another application such as feeding multiple FM tuners in a house with the preamp close the antenna and before the splitter. It also may be useful if you live in a very rural area. If you live in a metro area with many FM stations already, the preamp will overload.

Cons: Since most tuners are sensitive to pick up most stations (we no longer live in the 1970's folks) most people do NOT need a pre-amp such as this. If you DO NOT know what you are doing, don't purchase it if you think you can get better reception with a tuner manufactured since the 80's OR you can use it IF you have a long down-lead between the antenna and the head unit (but really who has land yachts these days) or you plan to feed multiple tuners with the pre-amp before an 8 way splitter.

Fm signal amplifier and adapters

Mark K. from In Maui on vacation on 4/24/2014

2009 Ford F-250 Super Duty
Crutchfield Customer Review (What's this?)

Live in the mountains of Colorado. Our radio station reception is horrible. You can see the tower and lose the station. Trying to pick up some station better. Lose them going into certain neighborhoods for work. Now the local stations overpower the one further away. Need to remove and go back to stock. Listening to iheart radio on my iPhone instead

Pros: As always adapters and tool made install a breeze

Cons: Does not work for fm signals in the mountains. Need to talk to Crutchfield and return product

FM Signal Amplifier

fishingfox from Phoenix, AZ on 3/17/2014

Crutchfield Customer Review (What's this?)

I bought this because my HD radio fades in some areas of the valley. It does help, but not as much as I had hoped.

Pros: Price, ease of install

Cons: Not as effective as I had hoped.

Not Impressed

Minnesota Lurch from North Branch, MN on 10/25/2013

Crutchfield Customer Review (What's this?)

Not what I was expecting. I was trying to reduce dropouts I get with some of the weaker HD signals. Improvement is marginal at best. If I paid full price out of pocket, I'd have been a lot more disappointed. Fortunately I had a Crutchfield gift card to cover the majority of this purchase.

Pros: Marginal signal improvement. Installation is a no-brainer.

Cons: Doesn't provide the signal improvement claimed in description. Seems kind of flimsy too. Not worth the money.

Don't buy

Clark from Gatlinburg, TN on 10/16/2013

1991 Mazda Miata
Crutchfield Customer Review (What's this?)

Hooked it up and saw no change. The hassle and cost of shipping it back was more than the effort, so its in a box in my garage with other useless electronics.

Pros: None

Cons: Waste of money.

FM Signal Amplifier

800-10x from Illinois on 10/3/2013

2004 GMC Envoy
Crutchfield Customer Review (What's this?)

Works as advertised as long as one follows instructions.

Pros: Works

Cons: None

FM Signal Amplifier

Ben from Sacramento on 6/13/2013

2001 Dodge Ram
Crutchfield Customer Review (What's this?)

Made no difference in reception at all



Crutchfield response on June 17, 2013 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

Workes very well

Jimmy from Florida on 11/25/2012

2001 Ford Crown Victoria
Crutchfield Customer Review (What's this?)

I installed this antenna booster in my daughter's car, she already has an aftermarket CD/USB deck but was having trouble receiving weaker FM signals. She lives up in the foothills of the Appalachians and sometimes FM reception can be poor when driving. At first I did not know whether the booster would really help or not, but my daughter tells me her FM radio reception is a lot better and seems to be stronger now. I would say try the booster if you are having similar reception problems, it may help.

Pros: It worked and actually did improve the FM reception.

Cons: The plastic housing around the on-off button is kind of flimsy and it can bind up making it harder to turn the booster on or off. This is the only reason I rate the booster at 4 out of 5 stars.

FM Signal Amplifier

Robbie from Orlando, Florida on 6/18/2012

2006 Nissan Xterra
Crutchfield Customer Review (What's this?)

I would not reccomend this signal booster. not only does it fall apart it does not boost the signal at all....

Pros: Easy to install

Cons: Dont work at all poor construction it falls apart and the spring pops out on the switch

FM Signal Amplifier

Anonymous from AZ on 5/19/2012

Crutchfield Customer Review (What's this?)

Barely boosted the signal and the power button on all 4 I purchased . It was getting stuck.Poorly constructed .



Crutchfield response on May 21, 2012 We forwarded this review to our Technical Support team for follow-up. Lifetime tech support comes with every Crutchfield purchase.

FM Signal Amplifier

Anonymous from New Mexico on 5/13/2012

Crutchfield Customer Review (What's this?)

I am using your products in a very remote mountain location. This RF amplifier helps me to obtain good quality signal reception to more stations than I could otherwise. Very good product for the use that I am implementing it for



FM Signal Amplifier

Josh from WV on 1/16/2011

I would have rated this a 0 but they don't give you that option. Bought an aftermarket radio with sub-par FM radio signal. Crutchfield sent this out to me to try to amplify the signal. IT MADE THINGS WORSE! I didn't do a hard install (thankfully!) because I wanted to see how well it worked first. Plugged in and turned on, fm quality on stations near by did not increase, only the sound level increased. Stations further away that I used to be able to hear in my original radio come in now with lots of static on the aftermarket radio; once the amplifier is turned on they go away completely! But at least I can hear the static loud and clear!!



Save Your Money

Bob N from Havre, MT on 10/16/2010

Crutchfield Customer Review (What's this?)

After an hour's worth of work installing the unit, found out it made absolutely NO appreciable DIFFERENCE in increasing FM reception. In an area with only a half dozen FM stations, there was no improvement. With the booster 'off', when signal strength begins to fade, switching the booster 'on' only increases the static level. The construction quality is also to be questioned: On receipt the front panel decal was applied upside down, not allowing the on/off to shine through and, the on/off switch mechanism sticks badly impairing turning the unit on or off ... which is off little consequence now since I leave it off !! I would take it out but another hour underneath the dash is not worth the $15 effort. The laws of radio wave propogation cannot be enhanced with this booster - - Save your money and hope that you'll soon be driving into any area with better 'natural' reception!



HD reception

Anonymous from Clinton, WA on 11/25/2009

Crutchfield Customer Review (What's this?)

I have installed a DUAL HD car radio in my off-the-grid home. It locks into the HD signal on three of the four FM stations of interest just fine. The forth station switches in and out of HD, holding pretty steady under ideal atmospheric conditions or when one stands in just the right place relative to our in-house antenna. I installed one of these amplifiers to get a slightly stronger signal (all I need). In "turned off" (bypass mode) there seemed to be a slight degradation in reception, turned "on" there was no improvement. It didn't work for me.



FM Signal Amplifier

Derek from Seattle, WA on 6/8/2009

1993 Geo Prizm
Crutchfield Customer Review (What's this?)

This was a complete waste of money. I hooked up power plugged the car antenna into it and then the boosters antenna into the radio. Turned it on and FM stations came in worse with more static. Unplugged it put the car antenna directly into the radio and the reception was much clearer. Forget AM reception because with it on not one AM station could be heard. Turn it off and reception returned. So it's a complete waste on money in my opinion.



FM Signal Amplifier

Alex from Illinois on 9/26/2008

It didnt help with my radio reception in my car at all!



FM Signal Amplifier

Manuel from San Antonio, TX on 5/6/2008

I tried this product and all I heard was noise when I powered it up. The idea seems good, but the design is poor.



Not a good design

Dr. Ace from near Bloomington, IN on 10/15/2007

1994 Mercury Sable
Crutchfield Customer Review (What's this?)

I would have liked to rate this unit a ZERO. I ordered the unit (I won't call it a signal booster/amplifier) on 9-20-2007. I began formally studying radio/electronics in 1975. I earned a college degree in electronics and have held the highest class FCC issued Amateur Radio license for over 10 years. And have been licensed for about 25 years. I have used some very good signal amplifier/boosters, But this is NOT one of them! I live in a quiet rural area 10 miles outside Bloomington, IN. I conducted multiple tests with this unit. On hilltops and in valleys with many different radio stations, with the cars engine running and with the cars engine off, on AM and FM bands. No detectable difference of any kind switching the unit on/off on FM. On the AM broadcast band I tuned in a station with the signal amplifier/booster off, then I turned the signal amplifier/booster on; at that point I totally lost the AM station and all I had was NOISE !



Great product- not a miracle cure

bass-bumper94 from Fargo, ND on 6/24/2007

1991 Toyota Camry
Crutchfield Customer Review (What's this?)

This is a very good product. I agree with those who say that this is not a miracle cure for bad reception and dont expect to be picking up stations from a few states away. This is simply way to bring up the power of a few weak stations. Since you can turn it on and off, it wont degrade your signal once you install it which was a deciding factor for my purchase. Works great and sounds great. I would recommend this product to anyone. Really nicely designed with a good looking bezel. Great for any cars interior.



Great Product When used and reviewed correctly

Jeremy from Chouteau, OK on 1/7/2007

This product is a very simple signal amplifier, not a signal processor. It amplifies the incoming signal by 15Db, it does not reduce extra noise, or cut out static, or improve signal quality, only signal strength.<BR><BR>This is a great product if you know what it really is and don't believe that it is a "magic box" that will solve all your static problems.



Works Exceptionally well with a static filter inline with it

Chris from CA on 12/8/2005

Crutchfield Customer Review (What's this?)

Just cruising through the site, I stumbled on a product I put in my Fiance's Mustang a few years back. We live in the High Desert of Southern California so we definately have lots of flat open space. I used the amplifier with a static filter and the sound was absolutely amazing, at the time it was the best radio sound I have ever heard. Then I could only listen to CD's because I hated radio quality. Now I can actually listen to Am/Fm in the Mustang. It came close to cd quality on many stations. With the static filter and amplifier, the combo could not be beat.



FM Signal Amplifier

Kenny from Jackson, TN on 8/13/2005

2003 Chevrolet Avalanche
Crutchfield Customer Review (What's this?)

Like the other reviews, this thing is garbage! It just added more static & the signal didn't improve at all. If your make of vehicle requires antenna cable adapters for installation on your vehicle, then you will spend more on them than the item itself.



FM Signal Amplifier

Brian from Warren Michigan on 6/17/2005

2004 Honda Civic
Crutchfield Customer Review (What's this?)

it doesn't work just makes the static come in better



FM Signal Amplifier

Kevin from GA on 5/24/2005

Crutchfield Customer Review (What's this?)

This item was garbage for me. It boosted the signal alright. Right along with the static I was getting. Maybe it was cause of the radio I don't know, but it was useless to me.




Hands-on research

Product Research


FM Gain: When the booster is on, the FM signal is increased by 15dB.

Installation: In-dash installation requires cutting a 1.5" x 0.815" hole (if the included bezel isn't used), or a 1.995" x 1" cutout (if the included black trim bezel is used). The booster can be mounted under your vehicle's dash using the supplied bracket and bezel.

On/Off: On the front panel of the booster, there is an the on/off switch. A red LED comes on when the booster is on, and you can by-pass the signal amp when desired by turning it off.

Tuning Adjustment: The instructions mention an AM antenna trimmer adjustment. The AM trim adjustment is something done on your radio, the booster does not have a trim adjustment. Note that trim adjustment does not apply to digital radios

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

This is a simple hook up for amplifying FM signal in remote areas when driving [ MICHAEL  Feb 22, 2017 ]
Cause Brooke is the BEST!!!! She is the BEST salesperson I have ever had the pleasure of doing business with. I can say that because I used to be in sales. A more professional person is not available! I won't do business with Crutchfield again unless she can help me. [ ROBERT  Sep 15, 2016 ]
my wife can't get her favorite station in this car but she can in her other car. [ Jeffrey  Sep 09, 2016 ]
Had one of these before - they are great.....get twice as many radio stations as without it..... [ Tom  May 04, 2016 ]
Pioneer receiver has too low of fm sensitivity. [ DRJFJR  Mar 19, 2016 ]
I picked this item because I have used this item before about ten years . The booster worked fine in my semi mountain area. I left on the 12 v power on contionously and finally the booster failed after some 8 to 10 years. slight battery drain. Mark New Mexico [ Mark  Jan 28, 2016 ]
I chose an FM signal booster because the mountains in Vermont make reception difficult. I chose to purchase it from Crutchfield because they are trustworthy and the most reliable audio reseller I can think of. Some boosters from China are total fakes. [ Robert  Dec 25, 2015 ]
My Uncle is a rancher in south Texas and has a stereo in his tractor. He needs an antenna amplifier to get better signal on stations. [ Glen  Dec 07, 2015 ]

3 questions already asked

An inline antenna booster will help with that problem. I have a booster on my system and have added about 30 miles more to the reception . [ Walt  Mar 01, 2017 ]
It will help. As to how much more solid your signal will be, I can't say. But it is a noticeable difference. Good luck. [ Ken B.  Mar 01, 2017 ]
Only one station? First check that the new radio Isn't set in the "Local" position. I assume you live in a rural area? If so, set the radio in the "distant" position so the senstivity is highest. Honestly, I have found that most aftermarket radio reception sucks. Not sure why. Adding a FM External Amplifer may help alittle but it will also increase the noise on the signal. If you truly are receiving only 1 or 2 stations something besides your radio is at fault. ( Or you live out in the boonies somewhere.) Sorry, I could not be of more help. Good luck! Patrick. [ Patrick  Jun 21, 2016 ]
If you purchased the product from Crutchfield, feel free to contact our Tech Support team. They can walk you through the settings on the product and see if there may be a fix. Our toll-free Tech Support number is printed on your invoice, and is also available under the "My Orders" tab in the "My Account" section of our website. If you did not purchase the unit from Crutchfield, then you may want to contact the manufacturer. You can also post your question in our forums: Or try our online support center: [ Krissy  Jun 19, 2016 ]  Staff
It might, I have had some luck with the amplifier. It isn't a plug in and go setup it does require some tuning. Which may be the reason I'm not able to tell u it's great. If you're not in love with the Bose I would upgrade the receiver to a better unit rather than fool with the amplifier. [ KEVIN  Feb 24, 2014 ]
Thank you [ Eddinger  Feb 24, 2014 ]
I doubt that it will help. I found that it wall only a little better with it on. [ GARY  Feb 24, 2014 ]
I tried this signal amplifier as an attempt to get better signal performance from a new Power antenna. The improvement is marginal. I do not think it is worth the time and effort. I would first look at the grounding situation of your antenna. In my experience as an installer of over 30 years I have found that the two primary reasons for poor signal are: 1.) bad ground at the antenna. 2.) Inferior tuner in the radio. Bose Products are generally pretty good, so my bet is that the antenna is your best option to solve the problem. Another question is: Is this a power antenna? If so and you really want better performance from your radio I would recommend replacing it with a good simple stick antenna. That is ultimately what I did. You can perform a simple test before doing the installation by mounting another antenna to a block of steel or other highly conductive metal, then plug that into the back of your radio. If you see a dramatic increase in signal and clarity, voila you have identified your problem. I would bet you money that this will go much further toward solving your problem. [ DAVID J  Feb 24, 2014 ]
Unfortunately, this probably wouldn't help. If you're already using a booster and the results aren't satisfactory, this device would probably only make the station as well as the static louder. [ Minnesota Lurch  Feb 24, 2014 ]
I got this amplifier, but it didn't really help much with the static even though I am in LA... I'm going to get a new stereo with more FM power. [ GERALD  Feb 24, 2014 ]

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