(10-12-2023, 08:11 AM)Falco Wrote: Thanks for your reply @Nutul
Herewith a link to the usb dac/headphone amp. http://www.hirestech.com/product/?pid=107
Basically it's this (from product description):
Dual purpose built, it incorporates both a high–performance headphone amplifier with an analog volume control that allows you to connect the microStreamer between your computer and headphones; and a fixed-level, low impedance 2.25V line output that allows you to connect between your computer and home stereo, other entertainment system or to powered loudspeakers.
I have RPi MoOde connected via USB and use the fixed-level output to connect to the AudioEngine 2+ powered loudspeakers.
I don't fully understand your comment, how do I set the speakers to 0dB output? To my knowledge the AudioEngine 2+ does not have such a setting?
1. Set the speakers' volume to their "unity" or "0dB" level, it is usually marked in the volume knob; if you are unsure, set their volume knob to roughly 50%.
2. In moOde, select "software" as volume type.
ETA
I see the speakers have internal DAC, so you can connect them via USB directly to moOde; it then depends on which is better between the speakers' or the external DAC.
Before doing any volume test, ensure the volume is set very low in moOde, to avoid both ear and speaker damage.
Now you can try any of the dac's outputs to the speakers, and change the volume in moOde, and pay attention to their response.
I believe the volume should change in both. If so, use their LINE OUT to the speakers.
Then, do not change anything on the speakers, and use your laptop. Adjust the volume of moOde and laptop so that they are almost the same.