woofer in the plastic box ?

http://www.carpages.co.uk/land_rover/land-...-08-06.asp

According to this article it is 80 watts.

thanks for that basketboy and I wonder what they mean by "twin channel powered 80 watt subwoofer" ?
duel input maybe?

Audio wattage is basically marketing bt. It's logarithmic so that a 100w sounds twice as loud as a 10w and speakers are only about 1% efficient anyway so don't try to put too much science into it. The only use for the wattage figures is to stop you burning out the speaker coils before your ears give out. 3 x FL1 2 manual + 1 auto
5 x FL2 4 manual + 1 auto
Now Discovery Sport P250 MHEV SE

so in other words dorsetfreelander you don't know the answer to my question .

There are two subwoofer outputs from the amp.



I don't know how this works exactly given that there is only a single driver in the sub enclosure... but i've seen the same setup on a number of Jags and Land Rovers... 2008 Freelander 2 HSE Si6 Black/Black - Hers
2009 Jaguar XKR 4.2 S/C Portfolio
2005 Jaguar XJR 4.2 S/C Black/Cranberry
2005 Jaguar X-Type 3.0L AWD - Gone

If all else fails a DC clamp meter will tell you how much the amp is drawing. Then probably double the figure for safety margin!

 Procrastination, mankind's greatest labour saving device!

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That will only tell you the dc current taken by the amp and if it's a class A amp it will be high anyway. The other problem with speaker watts is that (for marketing reasons) they often refer to peak power which is usually twice the RMS figure. The best way to determine the wattage of the speaker is to find it's resistance (it's probably 4 or 8 ohm) and then do the calculations based on the amp producing a 12 or 24 volt(depending on amp construction) peak to peak sine wave. That will give you an RMS figure although it won't tell you if the speaker is maxed out.
Sorry to sound negative but most hifi bumf is kidology these days. 3 x FL1 2 manual + 1 auto
5 x FL2 4 manual + 1 auto
Now Discovery Sport P250 MHEV SE

why cant it just be ''if its too loud it will hurt your ears so turn it down'' rating ?

looked at mine and it is duel input two terminals each side so I am going to switch one of the wires over
from one side to the other to see if the amp is or has 2 ohm stability , as sub/bass is mono.