Helloes, what is a good dac/amp combo for EarsSonics SM3?  I will be using it with my laptop using usb, but I'd like the possibility of optical/coax too.   I like neutral/flat FR sound.  Budget is max $400.   I was thinking iBasso D6, or pico dac/amp.

Are open cans cooler to wear in the summer than closed ones? ear humidity?

Assuming you're using a computer/laptop as a source, how does HDMI (from the motherboard) fare in terms of sound quality compared to coax/optical/usb-based DACs?

Which USB DAC/Amp combos do the A900s fit best with? Sound quality is the first priority, and portability a second factor. Can anyone compare between the A900s + the iBasso D2 or the A900s + HeadRoom BitHead? I listen to classical, pop, and others (anything but rock, heavy metal, etc).

Is the Creative Soundblaster X-Fi Surround 5.1 SB1090 a good DAC for connecting my laptop to a headphone amp such as the Little Dot MK I+ or MK III? Is the TOSLINK output good for connecting to receivers/headphone amps, etc in terms of SQ?

So, as the title says, is the DAC (Xitel MD-Port DG2 -----USB Optical Fibre Sound Blaster) that comes with the Zero DAC any good?

Which is better? the Sony MDR-V6 or Audio Technica A900? and by how much- in terms of SQ, soundstage, fullness, and gaming performance? Is it a small, large, day and night difference?

OK, I can't tolerate my stinko "multimedia speakers" anymore, so I'm planning on upgrading. How do the sound qualities for these headphones/earphones/speakers compare? I figured there's more headphones than speakers so I'll just post in this section. I currently use a Sony MDR-V6 and computer...