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Because there are lots of great FM transmitters out there for different types of portable audio players here at iWorld we’ve put together a handy little guide for FM transmitters to help you choose the right one!
 
                            
                        
   
Kensington LiquidFM
iLuv i707
FM Transmitter
New Griffin
SE iTrip
Monster iCarPlay
Cygnett GrooveTraveller
Kensington Pico
Griffin
iTrip Auto
 
 
   
iWorld Score  
Price  
From £39.99
£27.99
£25.95
£59.99
£32.99
£28.99
£39.99
Compatibility  
Docking iPods
Docking iPods
Docking iPods
Docking iPods
Docking iPods
Docking iPods
Docking iPods
Connection  
iPod dock or 3.5mm jack
iPod dock connection
iPod dock connection
iPod dock connection
iPod dock connection
iPod dock connection
iPod dock connection
Available Frequencies  
199
199
---
199
199
---
---
Operating Range (m)  
---
---
---
---
---
---
---
LCD Screen  
Power Source  

Car
charger

Car
charger

Powered by
iPod

Car
charger

Car
charger

Powered by
iPod

Car
charger
Size (mm)  
---
---
---
---
---
---
---
Weight (g)  
---
---
---
---
---
---
---
Use  
Sound  
Colour  
               
   
iStuff
AutoScan
Kensington LiquidFM Plus
Cygnett
Groove Ride
Jivo
Utune
Belkin
TuneCast II
Logic3 In-Car FM Transmitter
Cygnett
Groove Tour
 
 
   
iWorld Score  
Price  
£26.99
£39.99
£29.99
£9.99
£25.99
£23.99
£34.99
Compatibility  
All Audio Players
All Audio Players
All Audio Players
All Audio Players
All Audio Players
All Audio Players
All Audio Players
Connection  
3.5mm jack
3.5mm & 2.5mm jack
3.5mm jack
3.5mm jack
3.5mm jack
3.5mm jack & iPod dock
3.5mm jack
Available Frequencies  
199
199
199
199
199
199
199
Operating Range (m)  
10
---
---
---
3 – 10
---
---
LCD Screen  
Power Source  

1xAAA battery or car charger

Car
charger

Rechargeable
battery

2xAAA
batteries

2xAAA
batteries

Car
charger

Rechargeable
battery
Size (mm)  
100x25x22
---
---
---
---
---
---
Weight (g)  
30
---
---
---
---
---
---
Use  
Sound  
Colour  
 

What is an FM Transmitter?

An FM transmitter allows you to wirelessly play the music stored on your iPod (or other audio device) through a nearby FM radio, e.g. your car stereo. Effectively they are mini radio transmitters and work by emitting a radio frequency that can be picked up by FM radio receivers within an 8-10 metre radius. Recently (in December 2006) the law banning the use of certain wireless telegraphy equipment was lifted, meaning that the operation of short range CE-certified FM transmitters is now permitted in the UK.

How to Use an FM Transmitter

Find a Clear Frequency
For an FM transmitter to work properly, a clear radio frequency must first be located. A 'clear' radio frequency is one that no commercial/public radio station is broadcasting on, so when the frequency is selected a clear 'static' noise can be heard.
*Note: In built up urban areas (with busy airwaves) it might be more difficult to locate a clear frequency, but generally the upper and lower ends of the FM spectrum, ie around the 88.1 and the 107.9 mark, will have some clear frequencies.

Tune FM transmitter and Radio to the Same Frequency
The FM transmitter's broadcasting frequency needs to be matched to the one on the radio, e.g. they both need to be set to 105.3.
*Some FM transmitters are set to broadcast on one frequency only, but most cover the full FM range.

Adjust the Volume
The volume on the audio device, eg the iPod, needs to be set to approximately 75% loudness. The volume on the radio can be set to whatever you like!
*As with any speaker system, distortion is likely at high volumes

Play your Music
Once the frequency has been selected on the FM transmitter, to get music to play through the FM radio, select a song and press play!

Benefits of FM Transmitters

• No wires = less clutter
• Compatible with ANY FM radio - no special receiver needed
• Perfect for us in the car or at home - or wherever there is an FM radio
• Don't need any expensive in-car fitting equipment
• Small and lightweight

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