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Searching an 2.1 amplifier with optical input for less than 150€

aldiaudio

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Since my Onkyo TX-NR414 broke down, and I only need one HDMI in and output and 2.1 sound, I was thinking about a more unconventional setup:

Routing the HDMI Signal through an audio extractor, that gives me S/PDIF, which I then will feed into a small 2.1 amplifier. So the first question would be, if this has any quality downsides compared to buying an second hand AV receiver like Yamaha HTR-3068 or Denon AVR-X1000 ? I have two Teufel Ultima 20 and an active subwoofer from ELAC with adjustable cutoff frequency. The HDMI video signal is then traveling to a projector.

For the amplifier I searched a bit around and found a few ones and would like to ask you for your feedback. I am not audiophile, but nevertheless want a decent sound.

Fosi DA-2120A, Fosi DA-2120C and Fosi DA-2120D are all quite similar on the feature side

SMSL Q5 Pro got pretty bad reviews here in the forum. Could you explain me, what the problem of this device is and how this could affect me?

Aiyima D03 has good objective reviews here

And i think best (but a bit over my budget) is the Loxjie A30 for almost 200€

Could you help me with some fact and knowledge, which would be the best solution for me? Thank you in advance
 

Zek

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The Loxije A30 is not in the same category as the amplifiers mentioned above, because it is a class D amplifier with an added DAC.
The aforementioned amplifiers do not have a DAC in them, but the digital signal is fed directly to the power chip.
 
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aldiaudio

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The Loxije A30 is not in the same category as the amplifiers mentioned above, because it is a class D amplifier with an added DAC.
The aforementioned amplifiers do not have a DAC in them, but the digital signal is fed directly to the power chip.
Thank you for your input. Since I am only using digital input, where does this make a difference for me?

EDIT: And the other amps also have analog output (the speakers), so they should also need an DAC? You mean because of the headphone jack?
 
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Zek

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where does this make a difference for me?
In principle, it is not important for you, but it is important how the individual elements are implemented in a certain device.
 
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aldiaudio

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Since I could not decide, I made a small table. Feel free to comment and leave feedback.

For now my favourites are: Aiyima D03, Fosi DA 2120C and Loxjie A30
 

TimA

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The Loxije A30 is not in the same category as the amplifiers mentioned above, because it is a class D amplifier with an added DAC.
The aforementioned amplifiers do not have a DAC in them, but the digital signal is fed directly to the power chip.
The Fosi Audio DA2120C does have a DAC ( CS8422) and USB/opt/coax inputs, as well as subwoofer out. And a bit more power, for what it is worth.
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mvnchies

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I am very happy with my Loxjie A30, it feels a lot higher quality made product than Aiyima which I returned to amazon.
optical sounds great, subwoofer output works very well with no problems and it looks a lot nicer on top of that :)
it has a remote control and digital volume controls.

depending on how much power you need, it could be great. I never went past 40% on the volume controller with different speakers, but I don't know the Teufel you are using.
 
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