Utopia has its issues. Hd600 650 are way better in terms of frequency response smoothness.
And no 3V wouldn't change anything. You don't turn the volume all the way up and running in high gain.
Can be true with utopia I’m just stating my experience that L30 is a no go with utopia headphone. High gain sounds bad/low gain&low volume is ok but I had to listen way below my listening volume and still it was behind P1u. P1U kept everything under control no matter how far I turned the volume knob. Smooth/more detailed/layered sound.
My friend uses HD800 headphone and I can confirm that it is a no go with L30, very harsh sound with no bass.
L30 did good with easy to drive warm headphones oppo pm3, em10 iem, ok’ish with hd650
What I can confirm as well is that L30 seems to be nowhere as powerful as specs says.
4x more juice than P1U...By volume knob I can state quite opposite that P1U is maybe 2x juicier than L30 not even considering the fact that high gain fails on L30 with demanding headphones. Now L30 is a decent mini budget amp, I’m just curious how these specs relates to real life scenarios...