AK-380 USB SD BT.C FM AUX Audio Power Amplifier 400W+400W 2.0 CH HiFi Stereo AMP Speaker Bluetooth 5.0 Amp Receiver with 12V 5A Power Supply,Remote Control,FM Antenna for Car Home Bar Party

Update: Arrarown took care of the missing remote, good customer service. the S-299 Bluetooth 5.0 Power Amplifier and was excited to get it set up with my home speaker system. Installation was straightforward, and the sound quality so far has been solid for the price—clear output, good Bluetooth range, and it powers my speakers well. However, I was disappointed to find that the remote control was missing from the box. It’s a small thing, but it makes a big difference in daily use, especially since the unit is now installed and not easily accessible. I’m hoping the seller can send a replacement remote so I don’t have to go through the hassle of uninstalling and returning the entire unit. Otherwise, it's a good product and does what it promises. Will update my review if the remote situation is resolved.

This little amp sound great and works flawlessly. Bluetooth connects faithfully along powering up . Plenty of power for reasonable volume levels

Lo bueno: Estoy gratamente sorprendido de que algo de este precio me rinda de esta manera. Estamos de acuerdo que no vamos a esperar la calidad de un receiver de más de 10 mil pesos de alguna marca establecida, pero para su costo está más que ok. Tiene bastante potencia, el aparato en sí es pequeño y la conexión bluetooth es buena. En mi caso lo estoy usando para reemplazar un viejo receiver marca Pioneer de 1989 que empezó a distorsionar el sonido del lado izquierdo. Lo uso con unas bocinas sony que solían ser parte de un minicomponente de los años 90, que la verdad me ha salido buenísimas con casi 30 años de servicio ininterrumpido. Estos a su vez están conectados a mi pantalla que a su vez está conectado a una Mac Mini 2014 donde veo todo: YouTube, clarovideo, escucho música, etc. La calidad del audio con este setup es cumplidora , con gran potencia, y el hecho de modificar graves y agudos desde este amplificador está super. La conexión bluetooth hasta donde pude ver es rápida y estable desde una distancia corta. Tampoco nos vamos a ir a hasta la cocina. Lo malo: Probablemente, mucha gente no lo note; sin embargo, aunque la calidad del audio es buena, me parece que sí existe una ligera distorsión en la música en los agudos de manera constante, aunque casi imperceptible, y otro tanto en los bajos cuando le subes demasiado a una melodía con mucho punch o mucha compresión (por ejemplo algo de Bass House o un sabroso Death Metal), pero en mi caso pude ajustar y ecualizar desde la Mac Mini usando apps como Jriver Media Center o IINA. En películas y videos con diálogos no sentí ningún problema. Lo feo: El controlito es un buen detalle, pero el volumen desde el control es digital y se maneja independientemente de la perilla, y pues no lo veo útil para mí, ya que lo manejo desde la TV. De igual manera, la radio, la capacidad de escuchar música desde un sd o pendrive, son opciones que quizás a alguien se le haga interesante, pero de esto no puedo comentar porque no los uso, ni usaré para nada. Otro punto es que no entiendo la obsesión de los fabricantes con los leds azules ¿no podrían ser blancos? En resumen es un buen producto, ya veremos cuanto dura, y cada quien puede tener una experiencia distinta dependiendo el tipo de bocinas y las fuentes de sonido que utilicen. Para aquellos que no quieran gastar demasiado y tengan unas bocinas por ahí volando, es una gran opción.

I'm very satisfied with this product. It operates silently without noise, and the sound quality is great. The design is compact and attractive, making it a good fit for home use. It's definitely value for money. While it does have Bluetooth, FM with Remote, it comes with USB and Aux-in options, which are convenient for my setup. I'm using it at home with my speakers, and it works perfectly. The Product was delivered in 1 day.

I'm impressed. So far, this little amp is way above what I expected in sound quality. I'm using it with my phone that I'm using as a Pandora server. Since the amp has no real equalizer and I needed some adjustments there to get rid of the slightly boomy bass, I used the EQ in my phone (it's a Samsung S22) and the change was amazing! Also, since the amp has no control of the signal coming into it's line-in ports, when I switch from line to FM, the volume increase is frightening! I found that permanently raising the volume on the phone makes this a little less scary but still needs to be adjusted at the amp. Not a big deal for me, since I rarely use the FM, but it would be an issue if I did. The fix for me is to make sure I make the switch at the amp where I can turn the volume down before I do the switch. Interestingly, turning the volume to max on the phone actually improved the sound quality. I'm running a pair of vintage Nakamichi Sound Space 7 speakers. No discernible distortion at anywhere near normal listening levels. I use this setup mostly for background music at a moderate levels. Sometimes I crank it up a bit and it's still fine. The stereo separation is impressive. The amp has no balance control. Fortunately the Nakamichi speakers are very directional, so I can fine tune the balance by slightly adjusting the speaker placement angles. The remote is interesing. For example, the volume adjustment is slow. I have to hold down the button for a few seconds before you hear any change. Using several quick presses works better. The On/Off button turns off the amp but leaves most of the settings, and the blue LED around the volume control on. You can use the on/off switch on the amp to power it down completely, but then you'll use some settings. The LED consumes such a negligible amount of power I just use the remote. I have not had the patience to connect the Bluetooth, I will eventually. I think the reason for it not connecting is that there are so many Bluetooth gadgets in this house that could be interfering with a connection. The phone "sees" the amp but won't connect. So many reviews say how easily it connects, so it's no doubt an issue I can fix. One disadvantage to good Bluetooth range! Bottom line: This little amp works well for my use. Very well. The most important thing to me was sound quality; I didn't expect it to compare with a $400 amp in all it's other features. Another plus for me is that it's diminutive size lets it all but disappear on the shelf. It's 7" wide and you need to figure 8" deep to allow for the cords coming out the back. I'm giving it five stars for my use. Your mileage may vary! OK, it's now been a few weeks and I have an update. That remote. as noted above, it was a bit hinky from the start in that the volume didn't work right. So it continued to require longer waits and more presses to get the volume to change up or down. Finally it just stopped working. The remote still turns the amp on and off and the few other function I use it for work, but the volume, which for my use is the most important thing to work properly, has ceased to work, so now I just assume that there's no remote with this product. Bummer, but the amp still works as described above: very well. Maybe the seller/manufacturer reads these reviews? That would be good.