Originally posted by Josher
And the specs on paper on paper are usually right. I doubt a speaker company would lie about the volume of their speakers. They will however, run their tests with cars at 14V and at beautiful temperatures and atmospheric pressures. Of course the specs given by manufacturers are ideal, not lies. You just have to know how they find their numbers.
Take a look at headunit amplifier specs, then take a look at the statement above....Care to revise it?
Specs are rarely accurate IMO. Some you trust others you don't (i.e. that legacy "2000W" amp).