External speakers and iPhone 4S

Network1

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Any technical perspectives on the parameters to be considered in connecting phone to external speakers via jack?
 
I'm gonna go out on a limb here and say you can probably just plug them in.
 
Anything works if you plug into the headphone jack. I have used multiple devices and have never had a single problem.
 
Anything with a standard 3.5mm jack and its own power supply should work. I have an Altec Lansing speaker mounted in my car and it works perfectly.
 
Lol... perhaps. The fact that you used the words "technical perspectives on the parameters" for such a simple thing made me laugh.

Perhaps :), but somewhere in my distant past I remembered something about the relationship between the speaker parameters and the amp parameters. The following serves to give some substance to that thought (I did not want to over tax the iPhone which I recently bought. Could be a costly exercise.)

"Why, in loudspeaker reviews, is impedance measured (assuming that the magazine in question bothers to measure anything)? Generally, for one principal reason only: to establish whether the speaker presents an "easy" or a "difficult" load to its partnering amplifier. In the design context, much more information can be extracted from a graph of speaker impedance vs frequency—such as details of the bass alignment, and indications of internal or structural resonances that can be difficult to identify by acoustical measurements. But for a magazine audience, the principal interest in a loudspeaker's load impedance lies in gaining some indication of its compatibility with a given amplifier."
 
Well, yes, I think there are 2 issues that are being confused here
1 will it work in the sense that a signal gets forwarded that gets amplified. This is what we all thought you were initially asking. Yeah, sure, nothing's going to blow up.
2. Will it give a resulting sound that will please a dedicated audiophile. That is a MUCH more complicated question. It depends not only on the hardware, but on the quality of the file you are playing too. The best amp in the world is not going to fix an axcessively compressed MP3.
 
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