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2.1 Channel Bluetooth Stereo Audio SMSL A300 Amp
✔ German Infineon's new digital high-power amplifier MA5332MS chip.
✔ Using Japanese NJRC company electronic volume control chip NJW1194.
✔Dual operation mode, stereo, and bridged mono channel amplification, with a higher power to drive large speakers.
✔ Equipped with full-featured remote control function. Which can perform operations such as play/stop, skip, volume, bass/treble adjustment, and input source switching.
✔Japanese Hi-Res Audio Certified. All aluminum alloy CNC precision processing shell.
✔ With subwoofer signal pre-output, it is convenient to connect the active subwoofer to form a 2.1 system.
✔ Built-in SMSL SDB patented sound.8 EQ (Direct, Tone, SDB, Bass, Super Bass, Rock, Soft, Clear).
✔ Treble/bass adjustment for easy matching of a variety of speakers and music.
✔LED display. Equipped with full-featured remote control function.
✔High quality gold-plated input and output terminals.
✔A large number of audiophile-grade audio components are used to enhance the subjective sense of hearing.
✔Perfect protection circuit for overheating, overcurrent, etc.Built-in high quality power supply, specially designed for audio.
Fred A. Larson
Reviewed in the United States on January 5, 2025
I bought this primarily due to the dedicated subwoofer output with built-in high and low pass filters. It works very well. After use I believe their claims for power output.
sandra kelly
Reviewed in the United Kingdom on January 22, 2025
What an amazing product. It is sensational
Mote
Reviewed in Spain on July 9, 2024
He probado muchos amps de Clase D, de presupuesto “ajustado” y puedo decir que este tiene el sonido más redondo. Merece la pena el coste extra. Va holgado de potencia, mueve altavoces medios-grandes sin problema. Otros se vuelven chillones al subir el volumen, pero este saca pecho. El ecualizador de treble-bass me ha ayudado a reducir los bajos en mi sala pequeña, para no sonar retumbones. Sonido nítido en altos y medios. Además tiene Audio USB para conectar por USB a Play 5. En definiva, amplificador muy versátil y de calidad. Tamaño reducido. Muy contento con la compra.EDITO TRAS 6 MESES DE USO:Quito una estrella, por estas razones:- El mando a distancia, a pesar de ser muy útil y estar bien construido, necesita estar en línea de visión casi perfecta con el ampli (de frente y a la misma altura), para funcionar correctamente.- El audio por USB, por lo menos conectado a la Play 5, tiene un sonido ligeramente metálico. Al final lo he conectado por RCA a la salida del monitor, y suena mucho mejor. El bluetooth también suena bastante bien.- La pantalla es algo básica (dígitos luminosos tipo calculadora), y los menús poco intuitivos. Una vez que te acostumbras el manejo es fácil, pero no puede competir con las pantallas y los menús de los nuevos modelos de S.M.S.L.- Estando apagado y en reposo (Stand by), está siempre un poco caliente. He leído que esto puede ser normal en los amplificadores, e incluso puede ser un diseño a propósito, pues aceleran la fase de calentamiento una vez encendido, para dar su mayor desempeño. Sin embargo, no me hace mucha gracia que esté pasando continuamente corriente por el aparato.
BW
Reviewed in Canada on July 1, 2024
My SMSL A300 died after about 18 months of light use.
Ali Kabouk
Reviewed in Canada on May 11, 2024
The SMSL A300 is a great little amp that delivers solid sound quality. Not very neutral sound but brings out all the details, especially in the bass where you can really feel those string vibrations. Unlike other amps around the same price that I have tried, it doesn't muddle things up with too much bass, it keeps it tight and responsive. The midrange is clear and detailed without any weird digital sounds, and the highs are crisp without being too sharp, in fact, it tamed my bright speakers a bit. While it might not blow you away with huge dynamic swings, it handles the smaller details with ease, making your music sound lively and engaging. Plus, the soundstage is nice and open, so you can pick out all the different instruments easily. Overall, it's a solid all-rounder that works well with any type of music. And for this price range, it is well worth the purchase.
Peter
Reviewed in Canada on March 24, 2024
Good sound after adjusting, documentation was rudimentary.
Andy
Reviewed in Canada on February 18, 2024
I picked up this unit for the first time.I had Issues with the display sent it back. ( equalizers E began looking like C missing the middle line. Unt sounded great but I was worried that problems might occur so sent the unit back. I reordered because I loved the sound. Received the second unit hooked it up very disappointing because I couldn’t get the unit to volume up. I maxed the volume and it sounded like it didn’t get up to half of what the first unit put out. Very disappointing. Sent it back I will not. Re order the third unit. I m thinking micro processing isn’t the way to go my opinion. With these problems already occurring how long will this unit last even if it does work properly
Kmanator
Reviewed in Canada on December 25, 2024
I decided to go to electronic crossovers for my main stereo, via a Dayton Audio DSP4x8, which includes software based EQ and up to four e-X.O.s per channel in a stereo setup. I needed a smallish amp to handle the treble or mid + treble, depending on the speaker. I was going to buy a cheap Class D amp with modest output for the high-freq duties, but then I saw this model and discovered it has an electronic high-pass filter (50 Hz, 12dB/oct) that blocks subwoofer frequencies (below 50 Hz) from the main speaker outputs, sending the bottom octave only to the subwoofer out jack. WHAT A DIFFERENCE! It really doesn't make a big audible difference in the bass region, but it does wonders for midrange and treble, as well as imaging and sound-staging. It was such an obvious improvement, it was like a speaker upgrade. Not having to play the lowest octave takes a huge burden away from smaller (I am going to use the new A300 with full-range or smaller two-way speakers (along with a Klipsch active 10" sub), and will move my AO200 Mk II over for mid/high duties with the DSP, while a pair of Sabaj A20a monoblocks power the bigger woofers in my bi-amped rig. The high-pass feature is worth the purchase price of the A300 just for the sonic improvement it brings. As far as sound goes it is basically the same as the AO200 Mk II - excellent for the price.
Jeffrey Ahrens
Reviewed in Germany on November 7, 2024
This is a class-leading product and also gets very positive reviews on Audio Science website (and they are tough reviewers). I had an issue with my order, and I received very fast and helpful support from the vendor. Happy to recommend this product and the seller.
TJ
Reviewed in Canada on September 9, 2023
I am using this for my living room sound system. Easy to set up. Easy to use with my phone.
Soundchaser
Reviewed in Canada on July 6, 2023
You will notice there is no information about Bluetooth formatting with this unit. This unit will not play Tidal, so I am limited to standard res BT which is the main reason I bought it-- thus 4 stars. Other than that this unit performs spectacularly-- SPECTACULARLY. I also own Accuphase, Bryston, Naim Audio, JBL, Magnepan, Castle Winchester, REL, Cambridge, Bluesound and others, so this is not a light endorsement.
Francisco
Reviewed in Mexico on December 25, 2023
Para empezar tengo que decir que no soy profesional en audio, ni audiofilo, pero me gusta el buen sonido de calidad y considero que se escuchaba "bien". Para ser mi primer amplificador, lo considero "bueno" por el precio que se paga. Lo ocupo para alimentar un par de bocinas klipsch R-51M. Lo conecto por Bluetooth y con Deezer.Es muy sencillo de usar, no trae muchas prestaciones y la ecualización no es la gran cosa, no hay mucha diferencia entre un modo de ecualización y otro. He visto por YouTube que se recomienda isar un buen DAC, uno de calidad y se escuchara mucho mejor.Siendo el mes de Diciembre y tomando en cuenta que vivo en una zona costera del golfo de Mexico, zona calurosa y de mucha humedad, la temperatura del amplificador no es muy elevada, poco se calienta pero si se siente algo de temleratura, despues de unas dos horas de uso a un volumen de un 70% aproximadamente. Espero que para los meses de calor de Mayo a septiembre, no aumente considerablemente la temperatura del amplificador.Esta conectado a un regulador de voltaje para protejerlo y que dure muchos años.De ahi en adelante, considero el equipo bueno.
Craig S
Reviewed in Canada on November 22, 2023
MY USAGE:I use this amp with my vintage Mission Freedom speakers and a Modi+ DAC. Wow! This amp easily produces 85 dB of full range sound with punchy lows and smooth high frequencies. It replaces a generic Fosi Class D amp. Surprisingly large upgrade for only a few dollars more.WHAT I DON'T USE:- I don't plan to ever use the Bluetooth input. I want CD quality or higher sources so BT is never on my list.- I won't be using the USB input either. I like my external DAC and route all digital sources through it.- I have no plans to use bridge mode.PROS:- Enough power to produce 85+ dBA in my 20' x 20' room with circa 1985 floor standing speakers.- Decent EQ presets. Includes "tone control" EQ option where you can customize bass and treble.- Overall sound is better than the half dozen other Chinese Class D amps I have tried. IMHO: All these amps were decent. This one is just better.- Good IR remote. Simple access to every feature.- The menu system is surprisingly straight forward and easy to navigate.- Amp quickly powers up to last chosen input. Silent start up (no speaker woof!) - like it should be.- Display always returns to showing volume number (out of 60). Big enough to see from across the room.- Two RCA inputs are nice-to-have. Handy for doing quick A+B source comparisons.CONS:- Two character display makes it hard to decode things like EQ mode and a few other settings. But that is also part of the fun :). I needed to read the 5 page manual to figure out all the options.- I would have preferred a proper volume "knob". The recessed thumbwheel is just OK. I use the remote 95% of the time so no big deal.- Like most cheap Class D amps: No balance control.
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