Can this NOS USB Dongle hang with the big boys? This mysterious USB DAC/Amp packs some punch, but isn't for everyone. Today I am going to be reviewing the New Old Stock D2A-HPA by Prodigy Electronics. This is a dongle style USB DAC/Headphone Amplifier combination which was supposedly intended for release in the early 2010's, but for whatever reason, never went to market. Apparently a few made it out in the wild around 2015, since there are a handful of sparse reviews online mentioning it was found on eBay for $49.99. I purchased this for the...

I used to own a Micro iDSD Black Label and decided to downsize to this a while after I stopped owning or using any full size headphones. I figured that I only use IEMs, so this will be fine. It does not sound BAD. Don't get me wrong. It just isn't anywhere near what it's all cracked up to me. I have a Behringer Xenyx302 USB mixer with a 1/4" headphone output. You can buy this at any store right now for under $80. I am sorry to say (for iFi's sake), but the Nano BL is notably inferior to the Xenyx302 in every way. The bass slams harder and more...