Singxer SDA-2 DAC/Amp
Singxer SDA-2 DAC/Amp
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2 Sold
Product Description
New from Singxer, the SDA-2 delivers certified Hi-Fi audio with cutting-edge circuitry and premium components. Available in a base model with an ACCUSILICON AS-318 femtosecond crystal oscillator USB clock, or an advanced model with a Crystek CCHD-575 femtosecond crystal oscillator USB clock, the SDA-2 comes equipped with XMOS's latest xCORE-200 series chip for USB audio Read More

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chichaz
4
Oct 6, 2020
Only two sold? Strange... Are there any pics of the remote?
LordSmashington
74
Sep 24, 2020
Meh. Rather save $50 and get a RebelAmp.
Rowdy2026
208
Oct 1, 2020
How can you argue with someone using an Apple usb-c dongle as their reference?
verifonix
954
Oct 1, 2020
Lol I was just saying if one buys an amp, you could perfectly use the $9 apple usb-c dac until you get a proper one it's not THAT bad
(Edited)
AmJosh
119
Sep 24, 2020
I don’t get, how can one call AKM 4497 as flagship when 4499 is out for over a year and Drop has sold DACs based on it. Isn’t it misleading information for someone not familiar with this?
Product descriptions are typically created by the manufacturer prior to release, when this was released it was in fact the flagship DAC chip from Asahi Kasei. Since then the 4499EQ has come out, companies don't go back and provide "updated" product descriptions.
Rowdy2026
208
Oct 1, 2020
A unit can still be a flagship based on the series it was released with.
SureSh0t
114
Sep 24, 2020
https://www.aliexpress.com/item/33001512114.html This listing explains what is going on inside better. And has more measurements. The two highlights are the use of FPGA for normal filtering or bypassing the AKM chip for no oversampling. And the use of an optocoupler to transmit the USB input by light internally so USB noise doesn't affect the rest of the circuit. The lack of shielding around the toroid transformer bothers me but otherwise is a nice design that lets you choose between Delta/Sigma and FPGA conversion.
dpump
24
Sep 24, 2020
Need a picture of the entire circuit board to see what kind if volume control is being used.
Kulpa
26
Sep 25, 2020
You can adjust the Volume from hand or with the remote control. The remote control adjust it 0,5 db steps,from hand 1 db in steps.
DanFan
6
Sep 24, 2020
Someone please explain to me what that spike at 1K means on the spectrum analysis graph. Thanks.
SureSh0t
114
Sep 24, 2020
It gives you a very rough idea of where the noise floor is in relation to other amplifiers or DACs tested the same way and how many harmonics to expect at what level. Frankly I would prefer a standard wide band pink noise track be used to show actual performance but for various practical reasons this is what we're stuck with. Multitone FFT looks like this https://www.audiosciencereview.com/forum/index.php?attachments/motu-m4-4-channel-audio-interface-dac-multitone-audio-measurements-png.81061/
DanFan
6
Sep 25, 2020
Thanks for the explanations and the links, guys.
rumata13
447
Sep 24, 2020
How does this one compare to Topping DX7S?
steedamike
9
Sep 24, 2020
At this price, I'd also look at https://www.schiit.com/products/lyr-1 . The Schiit has about 2x the output power.
SureSh0t
114
Sep 24, 2020
The Lyr 1 is SE only. This DAC is better, audibly so is debatable. Not everyone wants tube amplification. Also you can only stack on top. And not everyone wants the look of Schiit.
(Edited)
That resolves to the new Lyr 3, Schiit sucks at updating the URLs... the rag 2 address still says rag1 in the URL.
adydula
12
Sep 24, 2020
What are the power output specs in watts at 32, 50, 100, 300 and 600 ohms?
adydula
12
Sep 24, 2020
is this balanced or SE?
adydula
12
Sep 24, 2020
I see its balanced....no SE power specs?
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