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🎧 Elevate your sound game — small amp, pro power, endless vibes!
The Fosi Audio BT30D Pro is a compact yet powerful 2.1 channel Class-D amplifier delivering up to 165W per channel plus 350W subwoofer power. Featuring Bluetooth 5.0 for stable wireless streaming up to 15 meters, it offers precise bass control with dedicated knobs and supports passive speaker and subwoofer setups. Built with a robust all-metal body, it combines premium durability with high-fidelity sound, making it ideal for home, desktop, or outdoor audio systems.



















| ASIN | B09YNBHR73 |
| Best Sellers Rank | #11,195 in Electronics ( See Top 100 in Electronics ) #4 in Hi-Fi Amplifiers |
| Box Contents | Amplifier |
| Brand Name | Fosi Audio |
| Country of Origin | China |
| Customer Reviews | 3.9 out of 5 stars 1,843 Reviews |
| Importer Contact Information | [email protected] |
| Item Type Name | Amplifier |
| Item Weight Unit of Measure | 1.5 Pounds |
| Manufacturer | Fosi Audio |
| Manufacturer Part Number | BT30D Pro |
| Model Number | BT30D PRO |
| Number of Items | 1 |
| Packer Contact Information | [email protected] |
| Warranty Description | 2 Year Manufacturer |
M**P
Mini in size And Pro In Output
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!
F**ᵀ
The most Incredible Combination with AVR
Being a proud owner of Fosi Audio BT30D Pro, I love the amazing experience it brings every day in combination to my Denon 1800H AVR. Superb Quality Clear Crisp Sound Quality Real Value for Money My situation was as follows, I got Old Sony HiFi 2 X 3 way Full Range and 1 10 inch Sony Passive Subwoofer Apart from Polk T15 X 2 Polk T30 Center Edifier T5 Active Subwoofer Between TP02 and this is chose BT30D Pro, And connected my old Sony 10 inch Passive Subwoofer to this plus I added Two Sony 3 way Full Range Towers, And then fine tuned in such a way , now the Denon volume is only 0.5 out of 99, It's wall shaking, thunderous, absolutely clear Sound no mumbling or noise other than pure Dolby Atmos In Movies, Music, YouTube, you stream anything, even screen mirror and The Sound is really beyond imagination. Please note : Frequency set to 75% on BT30D Pro Sound set to 75 % on BT30D Pro Love it every day I play movies or songs or stream or mirror, Sound is always Fabulous
R**H
Perfect 2.1 Amp for Custom DIY Setups!
- Great Main Power: The raw current capability is excellent, easily driving my custom parallel main speaker layout with crisp clarity and punch. - Decent Sub Driver: The dedicated passive subwoofer output channel runs my 50W Blaupunkt subwoofer just fine. The bass performance is average rather than awesome, but it gets the job done adequately. - Solid Build: Premium aluminum chassis with smooth, responsive analog dials that allow easy crossover adjustments.
P**A
Very bad product
Returned the 1st item as it stopped running suddenly. Replaced by amazon but again a new problem started , on 29/07/26 just after the return window closed on 25/07/36 so, I am not able to replace or return the product. The problem is that sound from the right side got subdued and very low sound is coming. Only the left side can be heard loudly.
A**N
Great Home Audio Amp for Speakers & Sub
I bought the Fosi BT30D Pro and it’s a huge upgrade from my old cheap amp. Sound is clean, punchy, and dialogue clarity is noticeably better. Bluetooth works perfectly and RCA input is also solid. The best part is the flexibility — I can connect a passive subwoofer directly using the sub speaker output, or use the pre-out for an active/powered subwoofer in the future. Sub volume and sub frequency controls are very useful for tuning. Overall great value for money and highly recommended for a home speaker + sub setup.
R**P
Mind blown
Thank fosi for such a flawless product.... sound so good you can skip a dac....first thing from Amazon I m totally content with...my Sony xplod sub lying dormant for 5 years have just come to life...must buy Point....you will probably need a voltage stabilizer for your power supply if fluctuations happen too often
P**.
Super powerful Ampli speaker system in a very small form factor
Super product. Very small form factor but a dynamite in its usage. Works perfectly well as advertised. You can go for a 36 Volts (DC) 10 amperes Meanwell SMPS to extract more juice/power out of the amplifier device (almost 2.25 times the power of the standard adapter that is shipped with the device). The Bluetooth also works super fine and binds with the Bluetooth headphones or speakers really well. What I like most about the product is the ability to throw decent power not only to the speakers / tweeters but has the ability to fire up powerful woofers as well through the same device. The pre-out also helps seperately, in connecting to some other active speakers as well if you have any on spare. All in all a terrific buy for merely 8250 Rs (special discount from Amazon and credit card discount combined) and the Specs of the ampli-system are also oh-so-great to compliment along with it. Thanks to Amazon for providing such a device on your platform and a High-five to the seller as well. Five stars and some flying kisses to you people....
S**N
Wonderfull sound in a small amplifier
Small size but huge performance.amazing performance in active speaker's and active subvoofer.i am using onkyo 15 year old sub woofer and speaker's.excellent sound producing in this small amplifier because of Texas instrument ic and original audio grade capacitor's.i preffer this amp.local assembled amps are useles compared to this
R**Y
Amazing wee amp
Amazing Amp for a small stereo setup in our living area. It sounds great driving a pair of Q Acoustics 3090i bookshelf speakers and a small powered Focal sub. It's compact and unobtrusive. I thought I'd use the RCA jacks as a source with a ipod or old phone, but it's mostly driven via Bluetooth from an Amazon Echo. The Bluetooth connection is quick and stable with no drop-outs. One minor omission is a lack of a Toslink/optical input, but honestly that's a very minor thing, and Fosi do other units that have that if it's important to you. Would definitely recommend.
A**A
Magnifico
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.
S**H
GREAT VALUE
I was not expecting much when I ordered the Fosi Audio BT30D Pro, after all what could you expect for CAD $140.00? I purchased this as a Hail Mary pass to try to raise my Paradigm Millenia CT, Shift Series 2.1 computer speaker setup from the dead after it had given up the ghost due to a failed amp board. Paradigm customer service was unacceptable -“We no longer produce that amp board. Our best advice is for you to purchase a more current model from our product line”. I may be old school, but I expect speakers costing $750 to last a lifetime. ( I still have a Pioneer SX- 767 seventies era receiver that works perfectly) After some research, I decided that a solution might be to bypass the Paradigm expression of crap and use a separate Class D amp to drive the satellite speakers and sub. The result: in short, I was blown away by the sound quality that this Fosi amp delivered. The resultant sound far exceeded the original Paradigm amp board. More articulate highs, better sub performance and a wider, deeper soundstage than the Paradigm amp. In all fairness, the power output of the Fosi amp is more than triple that of the original Paradigm amp, but the improvement in sound quality makes me question whether Paradigm’s product was under powered, given the obvious capabilities of the speakers and sub powered by this Fosi amp. I highly recommend this amp. At this price I do not think you can go wrong. Note: I use this with my computer speakers to listen to digital music files, mostly in FLAC format, via a wired connection to my music server. If you use it to play MP3 or compressed, Apple format files over a Bluetooth input, your mileage may vary, and as noted in some of the reviews, gamers may not be satisfied with the sub output. So, in conclusion, the Fosi BT30D pro exceeded my expectations and I recommend it as excellent value for the money. Paradigm equipment – less so.
D**E
Boyutuna Göre Harika İş Çıkarıyor
Öncelikle eksik yönlerinden bahsedeyim. Ses ayarları ortada olduğunda mekanik bir his vardır. Bakmadan ayarlayabilmeniz için, işte bu cihazda o yok. Bluetooth bağlantısını kapayamıyorsunuz ve şifreleme yok. Şakacı komşularınız varsa tek çözüm anteni çıkarmak. Kapatmak için bir switch olsa iyi olurdu. Analog ses girişi katı bluetooth'dan çok daha iyi ses çıkışına sahip. Balans Ayarı yok. Şimdi artılarına geçelim. Ses yüksekliği fazlasıyla yeterli, 2 adet pasif subwoofer besleyebiliyor. Bas ve siz sesleri de distorsiyonsuz veriyor. Bilgisayar ile kullanmak için ideal. Az yer kaplıyor çok ses veriyor. Daha da yüksek ses vermesini isterseniz daha yüksek amperli güç kaynağı kullanmanız lazım. Sesini sonuna kadar açsanız bile statik elektrik sesi duyulmuyor, uğultu yok hafif bir tıs sesi var yani yalıtımı iyi başarmışlar. Bas açtığınızda Subwoofer'lara giden ses değişmiyor. Subwoofer gain ve frekans ayarı düzgün çalışıyor. Pasif subwoofer kullanımı için çok ideal. Ayrı pre out ile başka amfilere veya cihazlara bağlayabilirsiniz.
A**R
an easy recommendation!
I bought the Fosi Audio BT30D Pro to power my barn sound system, running two Alpine 6.5" coaxial speakers along with a 12" JL Audio W0 subwoofer, and this amp completely exceeded my expectations. For the size and price, the performance is unbelievable. The sound quality is excellent — clean highs, strong mids, and surprisingly powerful bass output. It had no problem driving my speakers and subwoofer to levels that easily fill my entire barn while still sounding clear and controlled. The subwoofer controls are especially nice because they let you dial in the bass exactly how you want it. The Bluetooth performance has been flawless. Connection is fast and stable every time, with no annoying dropouts or pairing issues. I can walk around the barn with my phone and the audio stays connected perfectly. It honestly works better than many much more expensive receivers and amps I’ve owned. What impressed me most is how much power and sound quality Fosi packed into such a compact amp. It runs cool, feels well-built, and has been completely reliable in my setup. After using it, I genuinely feel this is one of the best values in audio equipment right now. If you want an affordable 2.1 amp with excellent sound quality, real output power, and rock-solid Bluetooth performance, the BT30D Pro is an easy recommendation. I turned my friend onto them and he wound up buying a second one because he liked it so much!
Trustpilot
5 days ago
2 days ago