Audio-Technica ATH-M50X and iPhone 6 without external amp?

Discussion in 'iPhone Accessories' started by kruso2, Mar 4, 2015.

  1. kruso2 macrumors regular

    Oct 26, 2012

    I just bought Sony mdr-1a and I'm pleased with looks, comfort and sound quality. But I'd like to give Audio-Technica ATH-M50X a try as well. My question is if iPhone 6 is enough to power the 50x?
    Sony is 24 ohm and m50x 38 ohm and when I am using the Sony ones I'm at 90% volume. That's why I'm wondering.

  2. tinaberezino macrumors newbie

    Nov 20, 2014
    Yes. They're 100% powerful enough to drive the audio technicas. To give you an example of a headphone that would actually need an external source - the HD650 has 300 ohms of impedance.

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