How much impedance can I pull out of an iphone?

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ko888

ko888

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Feb 18, 2009
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You don't want headphones that have too low of an impedance (e.g. 15 Ohms) because that will cause clipping of the audio signal.

Ear buds are usually around 32 Ohms so any headphones with an impedance close to or above 32 Ohms should be fine.
 
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ko888

ko888

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Feb 18, 2009
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84,990


32 Ohms is ideal for computers and mobile use since the built-in audio amplifier of the computer or mobile device is designed and optimized for that impedance.
 
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ko888

ko888

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Feb 18, 2009
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Very high impedance headphones will have lower sound volume and may even require the use of an inline amplifier to increase the sound volume.
 
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E

Emil_Meld

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Jul 31, 2013
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Stupid question; If u hooked it up to an amplifier, I suppose you wouldnt really get better sound, so whats the idea, is it if you already own such equipment?
 
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ko888

ko888

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Feb 18, 2009
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The phone's amplifier is optimized for power delivery to headphones with an impedance of 32 Ohms. Output power of the amplifier drops off rapidly when using high impedance headphones.
 
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