Fosi Audio BT30D Pro TPA3255 Hi-Fi Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Class D Integrated Amp 165 Watt x2+350 Watt for Home Outdoor Desktop Bookshelf Speakers/Subwoofers

I'm writing this review after using this amp with full attention...it outperform as per its size. delivers excellent sound quality. it is compatible with my bose acustimas 5 series III drive them without any problem. bluetooth connectivity is excellant i hand no problem to connect it to my samsung phone...it matians the slound quality too... people might be missusing the return policy or might not have read the specifications before buying

Very good amplifier of class D.good sound quality and highout put also good bluetooth connectivity. It is better if it have a remote control.

Working incredible... Sound quality is impressive with clear highs and good depth

Bass & Treble very fantastic. Used from 4 months. Clear sound like theatre effect. No distraction noted. Beyond my expectations. I recommend to all. Good purchase from Amazon. Thanks Amazon.

Extremely disappointed. The seller shipped a previously returned/used item while listing it as new. The packaging was damaged, and the electronic device is faulty and intermittently fails to power on. This is misleading and unacceptable business practice.

Highly Satisfactory Amplifier Review, I'm thoroughly impressed with this amplifier's performance! The sound quality is exceptional, and it's a perfect fit for my home setup. I'm using it with a pair of Old 2.1 home theater satellite speakers and a 12-inch 1300-watt subwoofer, and the results are outstanding. The amplifier delivers clear and crisp audio, and the bass response is impressive. I appreciate the flexibility of this setup, as it allows me to connect bookshelf speakers or a subwoofer, depending on my preference. One thing to note is that, like any amplifier, it does generate some heat during operation. However, this is completely normal and doesn't affect its performance. To take it to the next level, adding a subwoofer will definitely enhance the punch and overall listening experience. But even without one, the sound quality is still fantastic. Overall, I'd highly recommend this amplifier to anyone looking for a reliable and high-quality audio solution. Its performance, flexibility, and value for money make it an excellent choice. Rating: 5/5 Recommendation: Pair it with good-quality passive or active speakers, and consider adding a subwoofer for an even more immersive experience!

Brought with very high expectation. But not that worth for money I paid. No noice for sure, very compact , super build quality. However the vocal levels are not that worth with my speakers. Expected little more voice clarity. If I use Equalizer, it's better.

This is the best amplifier under 10000. I'm using 18000 speakers and an 8000 subwoofer, and I don't think any soundbar under 40000-50000 can beat this.

Ho atteso prima di recensire proprio per completar un giudizio di performance più sicuro. Dunque posso testimoniare l’eccellenza dell’ampli della Fosi che fornisce un qualità molto buona. Un rapporto segnale rumore molto buono, una potenza ottima (spinge alla grande) e un buon controllo dei bassi ed alti. L’ascolto generalmente con sorgenti bluetooth e anche questo elemento ha una stabile connessione, pulita e di buona portata (distanza). Una nota sul surriscaldamento per uso esteso e a alta potenza: ho aggiunto una aletta di raffreddamento nella parte superiore che smaltisce molto ed evita potenziali blocchi. Nel complesso complimenti alla Fosi per lo standard qualitativo raggiunto !

omdat je de totale controlé hebt over het geluid en hoge en lage tonen en zelfs de frequentie en volume van de subwoofer is deze model een van de beste, ik heb het zodanig aangepast dat ik zelf een centrale speaker kon installeren met een krachtige bose sub woofer . Het is zeker een aanrader ik heb eentje beneden voor mijn Tv en ik heb eentje boven in de geluid studio voor mijn Krk speakers prachtig geluid.

Compared to the BT30D non-Pro, the Pro version is quite a bit longer and heavier (430g vs 620g). The knobs are made of aluminium, different texture compared to the no-pro, a bit more resistance to turn than the. Same throw switch used to power on. The 3.5mm PRE OUT is full range. Bluetooth will be always-ON so your neighbor can hijack your device just like the non-pro version. Remove the antenna to prevent this from happening if you don’t use BT. Come on Fosi Audio, please fix this. The amp has a 4” tall BT antenna, again it's better than the 7” incher of the DA2120C that looks like a CB radio... Please give us the 1 incher for future products, for once the smaller the better. BT uses an ATS2853 chip that is also found on the BL20A. How does it sound? I did a comparison with Onkyo RZ50 pure output mode (airplay), Aiyima T9 (BT), and the BT30D non-Pro (BT). All using RP5000F towers, with an amp selector switch. Right away there’s a BIG difference between the non-Pro and the rest. The Pro version is much more dynamic, the voices are clearer, bass is more present and punch harder. I honestly cannot tell any audible difference between the RZ50 and the BT30D Pro. The T9 sounds only a tad warmer (thx lamp); Even that it was really hard to tell and it depends on the song being played. The Pro version sounds definitely better than the non-Pro. To test the passive sub output, I hooked up my gutted Z2300 logitech subwoofer, it works wonderfully and has a very capable output. However, I didn't like the sub crossover control, the adjustment doesn't feel linear. There are no frequency indications on the knob, it can only be tuned by ears. The muscle: TPA3255 x 2: PSU idle voltage: 32.3V Power adapter output @ 8ohm load current and voltage, 125W: Same 32V5A adapter used for multiple models. No sparks occurred while plugging in the DC plug compared to the DA2120C I've tested, I made multiple attempts to make sure this is repeatable. Here I am trying to figure out the max usable volume before getting a bad shaped sine wave, The volume knob is at 3 o'clock, BT reference volume maxed out on my mobile device, no EQ, no tone. L & R Channel, 8 Ohm load, 1000hz tone, 26Wrms per channel L & R Channel, 8 Ohm load, 1000hz tone, clipping at 60Wrms L & R Channel, 4 Ohm load, 1000hz tone, 40Wrms per channel L & R Channel, 4 Ohm load, 1000hz tone, clipping at 100Wrms Sub channel @ 4 Ohm load, 75Wrms: Sub channel @ 4 Ohm load into clipping, 121Wrms: Noise, tested with max volume: BT30D non-Pro, audible hiss from speakers during powerup, circuit shuts off when no input signal for 5 secs to prevent constant hissing. BT30D Pro, barely audible hiss from speakers, you have to stick your ear on the tweeter to hear it. no circuit to shut off the signal, it's not needed because it is not audible sitting away from speakers. The TPA3255 chips are hungry AND efficient. If you can feed them, they will put out a respectable amount of power for its size. You can upgrade to a 36V power adapter if you are looking to squeeze more juice out of it. It seems most of the manufacturers using this chip have set their bottleneck to the power adapter. If you are looking for a 2.1 amplifier with passive sub output, look no further. The BT30D Pro is way better than the non-Pro version. Pros: Great build quality Excellent sound quality, to my ear it’s on par with the Aiyima T9 and RZ50 Low noise floor Runs cool and efficient Cons: Cannot turn BT off Sub frequency needs indication and more linear tuning Smaller BT antenna please

He comprado este amplificador Fosi BT 30 D, al ver las especificaciones. Voy a dar mi opinión sobre este modelo en concreto. Este aparato es un poco mas grande que otros modelos, y lo bueno es que trae una fuente de alimentación de 48 Voltios. viene bien empaquetado en una espuma de alta densidad que lo protege de cualquier golpe. Para conectarlo he usado cable de 2,5 mm con unas bananas marca VCELINK, los altavoces tienen una P. 100W, 8 Ohmios, y una (SPL)de 90, Marca Celestion. El subwoofer es un Yamaha activo. El amplificador me a sorprendido que para lo pequeño que es tiene mucha potencia, suena muy bien, y no distorsiona para nada, para regular el subwoofer lo tienes que hacer con el oído, hasta encontrar el equilibrio para no escuchar vibraciones. Se conecta al bluetooth, rapidísimo, lo he tenido por mas de 4 horas seguidas funcionando a una potencia alta y no distorsiona ni pierde potencia, y tampoco se calienta en exceso. He probado otro modelo Fosi BL20C, y el sonido es mas cálido, y como su otro hermano, muy potente. Espero que os sirva de algo mis reseñas, me parece un buen producto con un precio decente.

Perform well above my expectations! As my Klipsch PM2.1 internal amp blew due to fried capacitor, decided to try this amp and it packs more power than before.