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D00M98 t1_j6797g9 wrote

Reply to comment by smalg2 in Are macbook air can drive the HD600? by KapToIIIe4Ka

Thanks for the correction. So I went ahead and looked up HD600 spec: https://www.sennheiser-hearing.com/en-US/p/hd-600/

  • 97 dB/V sensitivity (not the 104 dB/V as stated by previous poster)
  • 300 ohm impedance
  • It requires 22 mW or 2.6V to reach 105 dB SPL.
  • It requires 67 mW or 4.5V to reach 110 dB SPL.
  • Etc

Apple dongle is 3.6mW or 1V at 300 ohm. No, Apple dongle is not sufficient, for most people listening to 75-80 dB with 30 dB dynamic range.

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smalg2 t1_j67grat wrote

According to a few posts the official specs on Sennheiser's website are wrong (lol) and the actual values would be 97dB/mW and around 102-104dB/V. I don't own the HD600 and have no skin in the game, but looking at the numbers it seems they would be more than loud enough for me with an Apple dongle. I mean, my current setup is loud enough despite Android limiting the volume of the Apple dongle to -20dB (0.1V) so I really don't need 110dB peak... But if you do, that's fine too! 👍

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