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Depending on the headphone the biggest problem is the amp not the DAC. E.g. something like a hifiman Sundara or a Sennheiser HD 600 Series requires a bit more p
by kohlerm 5y ago
Depending on the headphone the biggest problem is the amp not the DAC. E.g. something like a hifiman Sundara or a Sennheiser HD 600 Series requires a bit more power then a cell phone typically requires. Looking at the specs for the M3k it looks to me that it is not really suitable for these kind of headphones. I like using slightly bigger mobile amps with the Sundara. Used to have a Topping NX4, which worked well, but died after 6 months, now switched to an ifi hip-dac.
- walterbell 5y agoM3 Pro, the successor to M3K, has 3X power but no Rockbox support: https://fiio.com/m3_pro https://fiio.com/m3_pro
- 0x008 5y agoobviously a "hifi" dac/amp combo should deliver enough power at 300 ohms. I would suggest buying one that delivers enough power. or are you concerned with battery usage? just a sidenote: the sundara you mention have 37 ohm which is pretty standard and they should be easy to drive.