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Unfortunately not great. Julian Krause's tests show a high output impedance.

Seems like you forgot to add the frequency response and distortion vs level graphics. Neat looking device. For that price it's a good alternative without all the audiophile nonsense ramblings that come with some of the more expensive streamers.

Best-case SINAD for this dongle is ~114dB. Doubling channel count nets you 3dB more S/N so you get 117dB SINAD at best (signal sums coherently +6dB and noise sums incoherently +3dB, so you get +6dB more signal, which is a doubling of voltage, but only 3dB better S/N). You can do this easily with...

I think most members just casually browse the pinned posts to see whats being tested, while they only look deeper into the forums if they actually want to buy something. At least that's how it is for me. I work in audio professionally so I only buy something when it's actually on the list of...

Which I mentioned near the end of my comment, correct ;)

The in my opinion most important characteristic of a dongle like that (output impedance) is missing. They also don't list it in the specs so I would never buy this product based off specs or this review. Output impedance (nowadays) has the biggest impact on perceived sound, since it being bad...

Note: this measurement is an incorrect representation of its headphone output's performance. Speakers (coils) are differentially driven devices and thus have good CMR. The initial differential measurement I took (at -100dB THD+N) was indeed the correct one. What you see in the measurement above...

I've tried it back when I was looking into all this, but it doesn't do what I was asking for. It doesn't take parametric EQ filters.

So... put a low-power "okay" speaker amplifier into a box, call it "headphone amplifier" and you can charge 4K for it?

Which is about 5K a pair if you include the amping (using the cheapest and smallest amplifier L offer). And it comes with all the limitations you'd expect from a tiny 4" coax. But a big part of these is just increasing HF clarity at the mix position for live events, because more often than you...

Even at half the price one may expect far better performance than this...

That's arguably the most cumbersome amp if you want active(?) speakers. Active speaker means powered aka the amp is built into the speaker, so you're probably thinking of active crossovers, but this amp doesn't have dsp so you'd need an external solution for that. Then you'd also need 3-4 amps...

I've had two and still have one (10 years old now) and it delivers more power than the specs say at 1% THD. It also delivers it long-term, which is impressive. At least the models from the TSA range I have/had are solid amps. They could be improved by having them run half-bridged, but...

L haven't been using Lab amps since about a century ago ;) d&b and L'acoustics are both so large I wouldn't be surprised if their amps were developed completely in-house. And these two combined are probably the majority of the market share already, so Lab's is more like an order of mangnitude...

100$ for a pair?? That's amazing, you could couple a bunch of these with a sub and an AVR for a nice little surround system without being overwhelmed by the cost that accumulates when you want high channel count. That's 10 speakers for 500. 9 are needed for a 5.1.4 so you'll have a reserve when...

Demystifying Audyssey: After spending the entire day working on getting the most accurate calibration out of Audyssey XT I've learned a few things: Audyssey saves the filter/target respose as impulse response and XT's impulse response is way too short to be able to be accurate in bass. It...

Dynamic range of the preouts is the same as the dynamic range on the unloaded amplifier section, which means the DAC is the major contributing factor in terms of noise by likely quite a decent margin. Distortion is below the threshold of audibility in any measurement at any level I've seen (as...

Based on the other ASR measurements and comparing to my unloaded measurements it's safe to assume that the DAC is restricting performance and not the amp section, as measured DR of the preamp outputs is the same as through the amplifier. I'm not sure how the Marantz amps found their way into the...

Yea that's what I'm trying to say. Denon did a good job and it's an amazing product for 350€. Audyssey is so far the only thing I don't like about it. Honestly I don't really have much faith in any automated room correction system out there, not even Trinnov, until I've seen before and after...

Wow that looks neat, but it looks like it won't work if you have no subwoofer (which is the case for me since my mains go down to 16Hz and that's all I need right now). It's also still automated room correction, which will never be quite perfect. I dropped a message on AVS if it was possible to...