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451 Standard Tweeters
Do you only have the standard door speakers, want the speaker upgrade? Read on.
Fitting The Standard Tweeters

You will need to contact your local smart dealer and get a pair of tweeters.
The part number is A4518270060001 for both speakers.

Unlike the previous fortwo, the crossover is done at the tweeter instead of in the stereo.
Low frequency removal is done by the 4.7uf, 50 volt capacitor.
The connector socket is moulded into the tweeter chassis.

 

The tweeters are held to the underside of the dashboard in large plastic clips.
The wiring for the new tweeters will either be plugged into the blanking hole, (circled below)
or they will be taped to the loom close by, look for a spare 2 pin connector.



The tweeter slides in with the speaker facing upwards and the socket at the back. 



The tweeter will actually click in place as it correctly locates itself.



Repeat on the other side and plug the wiring connections in.

Accessing The Tweeter Mounts

It isn't necessary to remove the dash to fit these but you can if you wish.
On a left hand drive car you can look up in the passenger footwell and see the clip.
On a right hand drive car you have to work around the pedals and steering column.

On the side with the fusebox you have 2 options. You can either lower the SAM out of the way
to gain access to the clip behind it or remove the dash sides and see if you can reach the clips. 

Do I Need To Activate Anything?

No. The 451 stereo doesn't have a crossover built in so the tweeter outputs are always active,
even if you don't have tweeters attached. All 4 stereo outputs are full frequency range.
The speakers that are attached have the frequency filters built in.

Click if Info Helpful

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