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Sip_Fo
36
Jan 23, 2018
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I just received my O2 today. Very pleased, the unit is well built and solid. This thing can drive just about any headphone you could buy. I ordered the medium gain(1X/3.3X) and I don't need to go higher than 11 oclock on 40-60ohm headphones and even with 300ohm headphones I don't go over 1 oclock. I'm using 1X gain coming from a 2.1V output DAC with system volume at 100%. Unless you're source is a tablet or a phone I think most people would be fine with medium gain. Even if you did order default gain you may just have to turn down your source to get a bit more range from the volume pot.
Jan 23, 2018
Petris123
1
Jan 25, 2018
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With 6xx (30Ohm) i need to go till 5o clock, pretty much at the end, with gain activated. Laptop/phones/digital piano as sources. So unfortunately I cannot confirm your observation
Jan 25, 2018
Sip_Fo
36
Jan 25, 2018
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Do you have the same dac? You probably have a different source. Volume is subjective, maybe your prefer it louder
Jan 25, 2018
Tup3x
100
Feb 3, 2018
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He must have some really, really weak source or we are way more sensitive to volume. Even from my phone (Honor 8) and with the 1x gain I only have to turn the knob to around 30% when using AKG K712 Pro (HD 6xx are much easier to drive).
Feb 3, 2018
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