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Sirius Wired FM Modulation Relay image
 
(based on 37 ratings)
Brand: Sirius
Located in: Mobile Electronics, Mobile Audio, Satellite Radio, Sirius Satellite Radio
Sirius FMDA25 Wired FM Modulation Relay - FMDA25/ 2 Ft FM Antenna Cable/ 19 Ft 4 In Mini-Jack Cable
Review Snapshot®
Avg. Customer Rating:
 
4.9 stars
(based on 37 reviews)
100% of respondents would recommend this to a friend.

Customers most agreed on the following attributes:

How long have you owned it:
A month or less(6)
Pros:
Compact(6), Easy to install(23), Easy to set up(8), Easy to use(19), Great reception(13)
Best Uses:
Car(35), Music(11), News(6), Sports(5), Talk shows(5)
Describe Yourself:
Budget shopper(8), Gearhead(5), Practical(4), Professional(3), Quality oriented(11)
Primary use:
Personal(26)
 
Buy this product for static free recepti
By MAVerified Purchaser from Kentucky on 10/12/2009
Pros:
Easy To Install, Easy To Use
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

I drive a Ford Crown Vic so install wasnt that hard. Although, with other vehicles it may be a problem.

 
Exactly what I needed!
By MikeVerified Purchaser from Big Flats, NY on 8/11/2009
Pros:
Easy To Install, Easy To Use, Quality Construction
Best Uses:
Car, Music, Traveling
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Easy to install. Cleaned out the static I was receiving from radio stations. Great price - couldn't get it any cheaper.

Service & Delivery comments:

Fast delivery with tracking updates were fantastic!

 
great product
By richVerified Purchaser from NY on 6/12/2009
Pros:
Easy To Install
Best Uses:
Car
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

easy straight forward

 
Makes the world of difference
By papaof1Verified Purchaser from Marion IN. on 6/10/2009
Pros:
Charges Quickly, Easy To Install, Easy To Use
Cons:
There are no cons
Best Uses:
Car, Music, News, Sports, Talk Shows, Traveling
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

There are no need to change the channel to try and find a cleal channle. Just turn it on and sit back and enjoy. I tell all my friends how much better it is now that I have put it on.

 
Finally a clear signal!
By PaulVerified Purchaser from Texas on 2/27/2009
Pros:
Eliminates annoying stati, Quality Construction
Cons:
Difficult To Install
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Not too difficult to install if you have a little experience with your car stereo. Recommend letting a pro install it for you if you don't. Remember to turn off your satalite radio to listen to stations on your cars reciever.
Best thing about the relay is that it eliminates static and bleed over from other recievers nearby. Highly recommend!

Service & Delivery comments:

Excellent company to order from. Shipped the next morning after I ordered and arrived quickly! Best price and free shipping!!

 
i highly recommend this to all car siriu
By the installerVerified Purchaser from NJ on 2/23/2009
Pros:
Cable lenghts perfect, Connectors great quality, Easy To Install, Easy To Use, Quality Construction
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

with some basic wiring knowledge for car electronics i was able to hook it up between my antenna cable and the in dash receiver. it does not get any easier than that. you only need to know the extras, like how to remove your trim around the receiver to get to the back panels...

Service & Delivery comments:

the website was easy to navigate and purchase the items. all of the items arrives in excellent condition, including the packaging. i highly recommend the same service/delivery system to my friends.

 
Don't Install Sirius/XM Without It
By imbaccVerified Purchaser from Pocono Mountains, PA on 1/13/2009
Pros:
Easy To Install
Best Uses:
Car, Traveling
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This product is easy to install. It delivers the best quality sound for Sirius/XM radio. absolutely no interference like you get with the fm transmitter. Dont install sirius without it!!!

 
Great Idea!
By Frankie Fix ItVerified Purchaser from Yonkers,NY on 1/8/2009
Pros:
Easy To Install
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

[...]

 
Works GREAT!!!
By Happy ListenerVerified Purchaser from Detroit, MI on 1/8/2009
Pros:
Easy To Install, Easy To Use, Quality Construction
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This product eliminated the signal interference that I experienced for years when using my Sirius radio tuned through my car radio.

 
Great job!!
By rhinokeyVerified Purchaser from Brooklyn, NY on 10/28/2008
Pros:
Easy To Install, Easy To Use
Best Uses:
Car, Music
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

[...] what a great product! Saved me tons of money!

[1 of 1 customers found this review helpful]

 
Sirius FMDA25
By RickVerified Purchaser from Las Vegas, NV on 10/15/2008
Pros:
Easy To Install, Easy To Use
Best Uses:
Car, Music, Traveling
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

The FMDA25 connected easily in my '99 F150 and eliminates all channel fade as I drive from one city to another. Highly reccommend this accessory for anyone with a sirius plug and play radio in their vehicle.

 
Great solution for bad reception
By judaskissVerified Purchaser from Birmingham, Al on 10/8/2008
Pros:
Easy To Install, Easy To Use
Best Uses:
Car, Music
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

solves ground based stations bleeding over into satellite reception

 
Works great
By DaveVerified Purchaser from Medford, Or. on 8/1/2008
Pros:
Easy To Install, Easy To Use, Quality Construction
Best Uses:
Car
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Makes listening to your sirius radio in an older vehicle (one without a line in jack, or aux. in jack) a pleasure, no interference, just good clear music.

 
Excellent product, cuts out FM bleedover
By travelin' manVerified Purchaser from Fredericksburg , Va on 7/22/2008
Pros:
Easy To Install, Easy To Use
Best Uses:
Car
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This device cuts out annoying FM bleedover that you experience with the FM wireless source on your Sirius radio. This device should be purchased when Sirius radio is purchased.It changed my reception to 100% improvement.

 
Great Product
By fffdavisVerified Purchaser from Arkansas on 7/13/2008
Pros:
Easy To Install, Easy To Use, Quality Construction
Best Uses:
Car, Music, News, Sports, Talk Shows, Traveling
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Great product. Prior use of Sirrus radio was difficult in urban areas. After installation it was great. Just went from Arkansas to D.C. on two seperate routes, about 3000 miles and never had to change car radio FM station. [...]

Service & Delivery comments:

Your company is awesome. I received my purchase before I had time to even think about it. Great job guys.

 
Worked just as advertised.
By sum65Verified Purchaser from Midwest USA on 6/5/2008
How long have you owned it:
A month or less
Pros:
Easy To Install, Easy To Use, Quality Construction
Cons:
One difficult step
Best Uses:
Car, Ease of installation, Music, News, Traveling
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

I purchased this with the Sirius Dock and Play Universal vehical kit so I could add capability to use my Starman 4 player in my wife's car. The relay eliminates the need to use the FM antenna and signal that comes with the car kit. The kit is not needed if you already have a Starman or similar Sirius radio. The signal is directly wired through the relay to the car radio. When you push the radio button on the Starmate 4 the relay switches from the car antenna signal and replaces it with the hard wired signal from the Starmate 4. Quality sound and fairly easy to install - took me about 45 minutes. The only difficult installation step was getting to the car radio antenna, connecting it to the relay and installing a new antenna wire from the relay to the car radio. For most cars this is not hard to accomplish.

[1 of 1 customers found this review helpful]

 
Worked great
By AlanVerified Purchaser from Utah on 4/3/2008
How long have you owned it:
One-to-three months
Pros:
Easy To Install
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Easy to install. Clear instructions. Worked as advertised.

 
I would buy this product again
By BrianVerified Purchaser from Walla Walla, WA on 3/2/2008
How long have you owned it:
A month or less
Pros:
Quality Construction
Best Uses:
Car
Describe Yourself:
Quality Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This product cut down the static instantly. A must have for static control.

 
So far, so good....
By WidespreadtrumpetVerified Purchaser from Woodstock, GA on 1/1/2008
How long have you owned it:
One-to-three months
Pros:
Easy To Install, Easy To Use, Quality Construction
Best Uses:
Car, Music, News, Sports, Talk Shows, Traveling
Describe Yourself:
Value Oriented
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

I purchased and installed this transmitter because of the poor performance of my Sirius car mount's built-in FM transmitter. The reception is now as clear as if the car mount were directly connected to the car radio through an input jack. The transmitter was easily installed - removed the car radio and made two simple plug-in connections.

Service & Delivery comments:

Product was delivered quickly, well packaged, etc...very pleased and will definitely consider for future purcahses.

 
NO MORE STATIC!!
By Native AmericanVerified Purchaser from [@] on 11/26/2007
How long have you owned it:
Three-to-six months
Pros:
Easy To Install, Easy To Use, Eliminates fm modulator, Hidden out of view, Reliable Reception
Best Uses:
Anyone w poor reception, Car
Describe Yourself:
Gearhead
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This product eliminated all static from the sirius unit's fm modulator. easily installed in about half hour--had to eliminate other wires from old antenna. i did have to purchase two other antenna adaptors to work with our Dodge truck.

 
Super
By RobVerified Purchaser from California City, CA on 11/2/2007
How long have you owned it:
A month or less
Pros:
Reliable Reception
Best Uses:
Car
Describe Yourself:
Tech Savvy
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

I already had one of these in another vehicle that I own. It works great. That is why I bought a second Sirius FMDA25 Wired FM Modulation Relay. Took me about 15 min to install

 
You may need this
By MikeVerified Purchaser from Millersville, PA on 10/8/2007
How long have you owned it:
A month or less
Pros:
Reliable Reception
Cons:
Takes some mech ability
Best Uses:
Traveling
Describe Yourself:
Professional
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This will make your reception better in your car.

 
Sirius FMDA25 Wired FM Modulator
By BobVerified Purchaser from Long Island, NY on 10/8/2007
How long have you owned it:
A month or less
Pros:
Easy To Install, Easy To Use
Best Uses:
Car, Music, News, Sports, Talk Shows, Traveling
Describe Yourself:
Tech Savvy
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

I use the modulator to connect my Sirius Sportster 4 to the antenna input of my stock 2002 Chrysler Sebring's radio (Chrysler has proprietary antenna connectors, so adapters must be purchased separately - they don't tell you this when you order though!). It is necessary because there are very few unused fm frequencies in my area, and those that are free (2 of them) are easily overpowered by neighboring vehicles seeking the use of the same frequency.

 
It just works nice!
By BeernoseVerified Purchaser from Chicago, IL on 10/2/2007
How long have you owned it:
A month or less
Pros:
Easy To Install, Easy To Use
Best Uses:
Car, Satellite Radio, Sirius
Describe Yourself:
Audiophile, Gearhead, Practical, Tech Savvy
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Its so easy to install and provides such improved quality sound with the latest (weaker) batch of satellite radio FM transmitters. Can't compete with direct connection, but certainly ranks as well as some of the top FM modulators I've heard.

 
Make already great better
By SpeederVerified Purchaser from Quinton,NJ on 7/23/2007
Pros:
Easy To Use, Reliable Reception
Best Uses:
Car
Describe Yourself:
Gearhead, Tech Savvy
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Installed in both cars easily and really made a huge difference in sound quality

 
Great Product
By MaineiacVerified Purchaser from Tucson on 7/12/2007
Pros:
Easy To Install, Easy To Use, Reliable Reception
Best Uses:
Car, Music, News, Sports, Talk Shows, Traveling
Describe Yourself:
Practical, Professional
Primary use:
Personal
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Before I plugged this thing in my beloved Sirius stations would keep fading in and out around the city of Tucson. Actually thought it was Sirius itself at first but after hooking up this modulator (actually an antenna splitter)my stations have not skipped a beat ever since. A must have if you can't hook up via line in connections. [...]

 
A Must Have!!!
By DonVerified Purchaser from Trenton, New Jersey on 6/26/2007
Pros:
Easy To Install, Easy To Use, Reliable Reception
Cons:
None
Best Uses:
Car, Traveling
Describe Yourself:
Gearhead, Practical, Tech Savvy
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This FM modulator is a must have for satellite radio. Before I purchsed this device I would get frustrated with my static filled reception and usually just shut off my Sirius receiver. In the city forget it, the power house stations would over power me. Now with the modulator I can fully appreciate my satellite radio static free. Reasonable price on this site as well.

 
Better than the built in FM Modulator.
By Jet_FixxxerVerified Purchaser from Plymouth, MA on 5/30/2007
Pros:
Easy To Set Up
Cons:
Nothing
Best Uses:
Car
Describe Yourself:
Professional
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This is a pretty much a straight forward installation. The only thing I suggest is that you have some mechanical and electrical(D.C.) Knowledge.

 
Plug & Play Installation
By BryVerified Purchaser from WPA on 5/28/2007
Pros:
Compact, Easy To Set Up
Best Uses:
Car
Describe Yourself:
Tech Savvy
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Just be sure to have the correct adapters for your vehicle, if needed.

 
Great solution to static!
By MaggieVerified Purchaser from UT on 5/28/2007
Pros:
Compact, Easy To Set Up, Reliable Reception, Variety Of Stations
Best Uses:
Car, Entertainment, Music
Describe Yourself:
Practical
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Very easy to install and works perfectly, even over strong radio station signals. I was going crazy from the static on EVERY channel using the built-in fm transmitter on my stiletto until I tried this.

 
Must Have
By Guiter manVerified Reviewer from Atlanta, Ga on 5/3/2007
Pros:
Compact, Easy To Set Up, Reliable Reception
Best Uses:
Car
Describe Yourself:
Tech Savvy
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Extremely easy to install and well worth the money. incredible reception and clarity

 
so easy to install a caveman could do it
By billb73Verified Reviewer from apollo, pa on 4/18/2007
Pros:
Crystal clear, Easy To Install, Easy To Set Up, Reliable Reception
Cons:
None
Best Uses:
Car
Describe Yourself:
Gearhead
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

makes your sirius crystal clear...sounds amazing...would never be without one again.

 
You absolutly need this! A must buy!
By Mike from Boones Mill,VA on 4/17/2007
Pros:
Compact, No interferance at all, Reliable Reception
Cons:
None
Describe Yourself:
Tech Savvy
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

This should be included with all radios, it is a must buy to keep from changing stations to avoid interferancs.

 
I like it
By brambo1177 from pittsburgh on 4/2/2007
Pros:
Compact, Easy To Set Up, Reliable Reception
Best Uses:
Car
Describe Yourself:
Tech Savvy
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

good

 
Compensates for weak FM output
By Exit13aVerified Reviewer from Melbourne, FL on 3/23/2007
Pros:
Reliable Reception
Best Uses:
Car
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Since the FM output signal strength has been made very weak in newer Sirius receivers, this device is needed in the vast majority of auto installations. So far, the unit has completely eliminated interference from commercial stations and signals from other satellite radios in nearby vehicles.

 
Great product works fine
By baddawg from north carolina on 3/16/2007
Pros:
Easy To Set Up
Best Uses:
Car, Entertainment
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

great

 
Sweet Sound!
By rudan from hoffman estates, IL on 3/11/2007
Pros:
Compact, Easy To Set Up, Reliable Reception
Cons:
None
Best Uses:
Car
Bottom Line:

Comments about Sirius Sirius Wired FM Modulation Relay:

Easy install, took about 20 minutes. Routed the antenna cable to my glovebox and then put this unit in there (just so it wouldn't rattle around in the dash somewhere). I can't belive the difference in sound. As others have noted, they should include this with the radio's.

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