shopping_cart

Bought & received, sounds great. I simply plugged into my iPhone and the tunes have never sounded better. However, I have my iPhone turned all the way up and it's OK, but still not quite enough volume. How do I improve this? (and is this an impedance / Ohm thing? because my cheaper headphones have louder sound coming through at same setting)

more_vert
Vote
2
emills1
0

Cancel
search
close
ChrisPDX
17
Mar 6, 2021
You will benefit from a dedicated DAC and headphone amplifier. These can be found separately or as one. For desktop, it seems the iFi Zen DAC Signature and Zen CAN Signature are a perfect match (I don't own). For portable (or for both portable and desktop), I am really impressed with the iFi iDSD Nano Black Label.
jgillingham
81
Jan 16, 2021
It's a volt thing. HD650/6XX needs more volts than iPhone or iPad can provide. I agree though - the sound is very good, just not quite loud enough.