Folks:   What DC offset do you measure on the headphone jacks? I measured yesterday on the G, R, and L labeled contacts on the headphone jack board using Fluke 87 V DMM. The unit was idle for ~10 min before measuring. The values are   G & R: 2.1mVDC   G & L: 6.8mVDC   The offset on...

If you re-read carefully, really carefully the statement "The circuity on the Auzentech sound card may be fine, but it relies on very noisy switching PSU of a PC." and think about the statement in the context of the original posting #661...   "You asserted that the PS in the PC would make a...

Why does Digital Bitstream pop-up in the context of analog output head-amps?   Anyhow, no impact on digital is present. The analog audio output is affected, and that's when the PSU matters. A good audio power supply is typically linear and has noise measured is MICRO volts...

Quote: Sparrow is better than an AUzentech. Sparrow is entry level Hi-Fi DAC/Head-amp for the money. The circuity on the Auzentech sound card may be fine, but it relies on very noisy switching PSU of a PC. Spend your comparable amount of $$$ on Sparrow. Or PM me, if you are interested...

I love the discrete sound of my Sparrow version A-USD with DIR8416. For the money, Sparrow is a great deal although you have to manage your expectation for 240$ device and not to expect a level of performance top of the line gear provides.   My Sparrow outputs very noticeable hiss when there...