Im trying to hook up two speakers to a car radio that has output for 4 speakers.. I have two speakers already connected to the front of the van. I need to wire two speakers to the back. On the back of the radio it says 60 wattsX4. What two speakers should I use in terms of wattage and impedance ? Many thanks for your tips

 

It's not really critical. Almost all car speakers will work in that application.
You'll need to decide what size will fit if installing them.

 

The rating 60 watts x4 means that each channel could put out sixty watts of audio.

If a speaker is rated for less than 60 watts then it will still work but could burn out if you turn the volume up too high.

You are reasonably safe if y ou get speakers of at least 8 ohms impedance. Ideally the speaker impedance should be the same as what the radio speaker output is rated for. Use of a speaker with lesser impedance for example 4 ohm speaker on 8 ohm output will work but here the radio could burn out if the volume is too high.

There is no easy way to tell in advance whether the new speakers will be louder or softer than the existing speakers. This has to do with speaker efficiency, which is probably not advertised. You will need to use the balance and fader controls to compensate for any differences.

 

Can you pull one of the existing speakers.
Impedance is often marked on the back.