balanced audio

Hello all. I have an Audiophonics LPA-S400ET power amp and I was wondering if it has any of these so called protection features I've been hearing about. Does anyone know what it cannot protect against? Main reason I ask is I have this headphone amp (Sterling SHA4) I got awhile ago at a guitar...

This is a 5.1 channel stepped volume control (47 steps, claimed 0.05dB accuracy) with balance inputs (XLR/TRS) and balanced outputs (XLR). It also has individual channel input muting and fold-downs to mono or stereo. It also has level trim controls for each channel although these are unmarked...

I am split between getting an Hifiman Edition XS, Ananda, and Dan Clark Aeon Open or Closed headphones. I am not sure. I am more leaning to the Ananda since they're not far off in price and questioning if it's worth the extra money. For the DAC/AMP combo I am stuck between the A50/D50, DX7...

Hi guys, First time poster... Looking for some advice about a headphone stack. I've been reading a LOT the last few days but I could do with some guidance and appreciate whatever help you can give :) I have bought a pair of Focal Elears at a good price and I am looking for a dac (and possibly...