The better amp?

http://www.ti.com/product/OPA2134 OR http://www.ti.com/product/TPA6120A2/description the TPA6120A2 can be used fully diferential(balanced) to a studio monitor or amp, just like the OPA2134, but which has a better sound quality? the TPA6120A2 is in a Roland Mobile UA USB interface(https://www.roland.com/global/products/mobile_ua/) with the DAC AKM AK4414EQ, and the OPA2134 in the Emotiva DAC pre-amp XDA1(https://darko.audio/2011/08/emotiva-xda-1-dac/) with the DAC Analog devices AD1955. thanks...

joser961606-18-2019 3:13am

auxinput Details Discussions Posts This discussion Message User 2,920 posts 06-18-2019 at 04:54pm Copy Comment URL Report Comment Edit Delete In comparison, the Emotiva DAC has extremely high current power supply that has a +12V and -12V lines to the op amp / audio circuits. This is much better than another DAC that uses switching wal-wart or only a 5V USB power supply.
joser9616 OP Details Discussions Posts This discussion Message User 29 posts 06-19-2019 at 01:14am Copy Comment URL Report Comment Edit Delete @auxin @timlub, thank you guys for the info. I'm just learning here...
joser9616 OP Details Discussions Posts This discussion Message User 29 posts 06-19-2019 at 02:50am Copy Comment URL Report Comment Edit Delete I made a comparison between the Emotiva XDA-1 and the Roland Mobile UA and I am very serious about it, the Mobile UA is much better than the Emotiva, a lot more detail, more clear ... that interface can be connected to studio monitors In a balanced way, it is exactly the same as connecting it to my two Crown D-75 amps, the active studio monitors(active), as you should know, have their own amp, I have the amps alone with speakers connected.