Apos Blog

Audio Science Review Reviews the HiFiMAN Sundara

This is a review and detailed measurements of the Hifiman Sundara planar magnetic open back headphone. It was kindly sent to me by one of their retailers, Apos Audio and costs US $349.

Matrix Mini-i Pro 3: Redefines Zeos' Expectations

“This has redefined what I expect out of equipment,” Zeos says of the Matrix Mini-i Pro 3 DAC/Amp Streamer. “I don’t want to deal with anybody but Matrix Audio now.”  The Matrix Mini-i Pro 3 is a D...

Matrix Mini-i Pro 3: "Future Proof" - Sandu Vitalie

I have a pretty long history of reviewing Matrix Audio gear. My first ever review was for their beautiful New Mini-i that I’ve done in the July of 2014. I felt in love with its form factor, with it...

Matrix Mini-i 3/Pro 3 Reviews Compendium

If your sights are set on an all-in-one DAC/amp/streamer, look no further than the Matrix Mini-i 3/Pro 3. With Bluetooth 5.0, a full-color display, and MQA (Pro version only), it’s virtually future...

Matrix Mini-i vs Mini-i Pro 3 Comparison Chart

There aren't many products that exhibit one-and-done-ness as well as the Matrix Mini-i 3. It's a DAC, an amp, a Roon Ready streamer, a Bluetooth receiver, and an MQA decoder all in one. But what ar...

“A Perfect DAC.” Zeos’ Review of the TOPPING D70s

“I’m gonna give this a big A+ thumbs up,” Zeos said of the TOPPING D70s DAC over on his YouTube channel. “In my heart of hearts I’m not afraid to recommend this, because I think if you got this you...

Josh Valour on Moondrop Starfield: Simply Enjoy this IEM

Josh Valour reviewed the $109 Moondrop Starfield on his YouTube channel, touting their excellent build quality and pleasing, easy-going sound signature. Check out the video below or scroll on for a...

xDuoo TA-30 vs TA-20 vs TA-10R Comparison Chart

xDuoo’s lineup of tube amps span a range of budgets, use cases, and features, making it potentially difficult for some to find the one that’s right for them. We’ve gathered their three best-sellers...

Josh Valour's $2,700 Complete Audiophile System

Over on his YouTube channel, Joshua Valour broke down how to get a complete high-end audiophile setup for $2,700. Keep scrolling for the itemized breakdown, the video, and our lightly edited transc...

"It's So Good": Zeos on Singxer SA-1

Zeos was basically stunned when he heard the Singxer SA-1 amplifier. “Like, I don’t want to listen on any other amplifier right now," he said of the fully balanced, Class-A amp. “I’m gonna spend tw...

TOPPING E30 vs D30 Pro vs D90 Comparison Chart

Earlier this week, TOPPING launched the D30 Pro, an all-new digital-to-analog converter featuring four DAC chips. How does this mid-priced DAC stack up against the brand's much-loved veterans?

DarkVoice 336SE Reviews Compendium

Compendium updated: April 28th, 2021. We've reached an interesting point in the history of amplifiers, where for the first time an objectively "clean" amplifier can be gotten for less than $150. Cl...