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Product Name: Mini stereo audio preamplifier
Model No. : AU-10X
Input: RCA (L / R) + 3.5mm
Output: RCA (L / R) + 3.5mm + headphones
Size: 3.42in × 1.96in × 1.45in (87mm × 50mm × 37mm).
Powered: DC 9-19V
Compatible input devices: DVD, CD, set-top box, MP3, TV, mobile phone, computer, tablet, microphone, phono turntable, sound card, guitar, bass, electronic instrument, game console or other devices.
Compatible output devices: Active speakers, Desktop speakers,Subwoofer, Sound blaster, Reverberator, AV receiver, Post-Amp, Headphones, etc.
It is a preamp and cannot be used as a power amplifier to drive passive speakers working.
What's in the box:
AU-10X preamplifier * 1 pcs
DC power adapter * 1 pcs
DrLomax
Reviewed in the United States on February 3, 2025
Got this to boost the toslink to rca out signal to my outdoor sound system. Works great and does the job just fine. No ground loop or other sound issues. Only recommendation would be to switch to USB C based power supply instead of dedicated wall wart.
bluelight
Reviewed in the United States on February 1, 2025
I was not expecting much from it, but it is pretty good and well made. if you do not care about a small noises when powering on/off - it is quite a gem. Even headphone amp is crystal clear on SONY MDR-7508.PS, no wonder I liked the sound of it - NE5532 were the gold standard in professional audio for over 30 years and it is still produced after 35 years and very inexpensive.
Christopher c.
Reviewed in the United States on January 22, 2025
P.o.s. Burned out as soon as I turned it on
GILLES X.
Reviewed in France on January 2, 2025
Petit, en métal, sans aucun bruit de fond, potentiomètre bien dur, connectique fournie et de qualité, simple d’usage, même pas de marque.Ben voilà c’est exactement ça qu’on veut comme type de produit : simple, quali, efficace.Bravo et merci
frankp93
Reviewed in the United States on July 27, 2024
I have a Yamaha MX88 synth that I play almost exclusively through headphones. I've always felt the maximum headphone volume, regardless of settings/tweaks, is not quite where I want it. I'm careful about my ears and I'm not looking to blast myself with volume. We have an acoustic piano in the house and I guess I'm looking for a similar sensation.I like the audio quality of the Yamaha's headphone output very much but Y-cabling the stereo line outs to a small amp and using its headphone jack colored the sound too much and was also too clunky for my small space. I wanted something small and this little preamp fits the bill. It's about 2 1/4" x 3 1/4" and simple - just a power button and volume control - and sits on top of the keyboard with enough mass in its metal case that I don't have to worry about the weight of the headphone wire moving it around.I use a short mini-male to mini-male cord with one end into a 1/4" (guitar plug) adaptor and the other into the Yamaha's headphone out. The other mini-male goes into the back mini jack of the preamp and my headphones (50 Ohms) go into the front mini jack. The preamp comes with a power supply that I add to the same power strip as the keyboard, so there no extra effort turning things on and off.There are no numbers on the preamp volume knob but setting it to about 11 o'clock gives me more boost than I would ever want with no detectable noise. It also lets me turn down and ride the synth's easier-to-reach master volume knob for plenty of headroom and fine tweaks while I'm playing.Exactly what I wanted - how often can you say that these days?
Chris DIYer
Reviewed in the United States on July 17, 2024
I hate bending down and having to adjust a passive subwoofer volume. So, I got these (three in total). They work very well. However, be careful not to overdrive your subwoofer. There is a little noise (hiss) about 1/3 way up (too high for the sub anyways, so not a big deal).
Kim M
Reviewed in the United States on July 12, 2024
After testing new product: AtNeDcVhcan confirm that it is built with very good quality.No hum, no noise, all connections: inputs and outputs worked as expected.Lots of functions, several options for inputs and outputs -well thought, well designed. Simple. Volume knob is small,useful, do not throwing to eyes, yet can be used without a problem.Volume even on 10 o'clock is giving adequate volume,again without any hum, noise and issues.Device is not slowing down pace of tracks, seems not changingspeed of a playing track. It's not of course super expensive device,that exaggerating sound, and to my opinion is focusing on midrangegiving pretty full sound range. Can produce trembles well, trianglesand cymbals were pretty good, not as airy and copper like as withgood tubes, but still very-very good. Bass and mid-bass were withoutany booming and presented all range very good.Black, silence was clear, good imaging and ending air was presentable.I tried it as a headphone amp, as preamp before and right after a turntable,in receiver in mid of tape monitor loop, boosting a tv and external speaker systemto passive speakers with low sensitivity to a desirable level.Overall - very good and inexpensive product, which can be used on many occasions.On almost all situations volume at about 10-10:30 o'clock was good enoughwithout changing much of the sound.To manufacturer I can advise a couple options:- Power supply cord is really-really short. I'd say too short to standard use.- Reduce the logo on top of the body by making it really smalleither on a side or on a front panel:there is no need-to-know exact model and it is bothering too muchand aesthetically is not very good.- Hope, that designer team can play with other options, like: - adding tone controls (Bass, Tremble or even Mid); - along with tone controls adding an option to use 12ax7 tube. (or even replaceable tube inputs/holders to use various types of tubes, but there shall be better testing to make it without any hum and noise, making such option much better and reliable, then Bellari phono preamp as example.)I'd love to see those options, especially if price will be adequate.Again: AtNeDcVh Mini Small Stereo Audio preamplifier to me is very good and built well product.
Todd_623
Reviewed in the United States on March 25, 2024
I'm using this to boost the variable level headphone output from a TV to a small amplifier driving speakers. Doing this so I have normal volume control using just the TV remote.The output from the TV isn't high enough to drive the amplifier to full volume. For this situation, it is working perfectly.I'm not in a hi-fi environment but I cannot detect any added noise or hiss. It's inexpensive, and includes both 3.5m and RCA in/outs which is nice, as well as a front headphone output. The front led is obnoxiously bright and needed covered.I will note the first one I got had some issue where it was pulsing (both the led and the sound output) and not working correctly. Not sure if it was the unit or the power supply. Replacement is fine.
Carsten Ommen
Reviewed in Germany on October 7, 2024
Kleines sehr gut verarbeitetes Gerät. Gut verpackt und pünktlich geliefertEs erfüllt seinen Zweck.
J Ntu6
Reviewed in Canada on October 20, 2024
Don't know why so hard to find a good economical pre amp on here for a keyboard instrument to go into a mixer... But this is the one! You might need trs to rca converter cables too but that's easy to find. Great product and no noise even on max setting, and great volume increase.
AlFerret
Reviewed in Italy on January 27, 2024
L'ho testato con generatore di segnale e oscilloscopio: la risposta flette appena verso i 20Hz ma è più che accettabile.Lo uso pa alzare un po' il livello all'ingresso del mio subwoofer e sono soddisfatto.
The5Bow
Reviewed in the United Kingdom on October 9, 2023
I use it as headphone-out with some of my ham-radios. Works very well, good sound, very well made, has a good finish, no cheap shortcuts! Fells sturdy and looks good. I consider this very good value for money! Recommended!
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