When it comes to amplifiers, the Fosi Audio BT20A Bluetooth Speaker Amp is an undisputed game-changer. Encased in a modestly compact form, this small but mighty beast asserts the timeless adage that size isn't everything. It defies its dimensions, delivering an impressive level of power that can rival or even surpass larger counterparts.
The first thing you'll notice about the BT20A is its design. Don't be fooled by its diminutive size; this amplifier does not compromise on quality or performance. The unit packs a serious punch for a device of its stature. It's engineered with high power output to deliver crystal clear, rich, and detailed sound to your speakers.
The BT20A boasts an impressive feature set, including its Bluetooth functionality. The Bluetooth connection is smooth and reliable, extending a generous range that grants you the freedom to roam while maintaining control over your audio. Whether you're looking to pump up the volume for a backyard barbecue or craving some soothing tunes in the tranquility of your study room, the BT20A delivers outstanding performance with style and ease.
But what truly sets the Fosi Audio BT20A apart is not just its superb performance and compact design; it's the company's exceptional commitment to customer satisfaction. I experienced a minor hiccup with the Bluetooth connectivity of the first unit, but Fosi Audio's customer service was absolutely stellar. They promptly sent out a replacement, ensuring that the minor setback was resolved efficiently and I could get back to enjoying my music without delay.
Fosi Audio's willingness to stand by their product and swiftly address any issues is highly commendable. It's a testament to their dedication to providing a top-notch customer experience, further adding to the already spectacular appeal of the BT20A.
In conclusion, the Fosi Audio BT20A is a true titan in a compact package. Its powerful output, seamless Bluetooth connectivity, and Fosi Audio's stellar customer service make it an unparalleled choice for anyone looking to enhance their audio experience. If you're seeking a small, powerful, and reliable Bluetooth amplifier, I wholeheartedly recommend the Fosi Audio BT20A. It may be small in size, but it's big on performance.
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Fosi Audio BT20A Amplifier Stereo Receiver Bluetooth 5.0 Mini Power Amp 2 Channel 200W for Home/Outdoor/Garage/Ceiling/Passive Speakers Theater System
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Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and P1 Tube Pre-AmplifierThis bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Banana Plugs 2 Pairs / 4 pcsThis bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and BOX X1 MM Phono PreamplifierThis bundle contains 2 items
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This item: Fosi Audio BT20A Amplifier Stereo Receiver Bluetooth 5.0 Mini Power Amp 2 Channel 200W for Home/Outdoor/Garage/Ceiling/Passive Speakers Theater System
$79.99
Get it as soon as Tuesday, Jul 30
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From the brand
Amplifying Your Voice, Shaping Our Innovation
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Discover Fosi Audio - Your HiFi Solution! We're a tech-driven brand, crafting innovative audio products around the world. Our vision: Affordable excellence for each consumer. Our mission: Redefining HiFi with cost-effective innovations. Join Fosi Audio on this unique audio journey!
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Fosi Audio V3
TPA3255 Class D Home Audio Mini Speaker 2 Channel Amp 300 Watts x2
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Compare with similar items
This Item  Fosi Audio BT20A Amplifier Stereo Receiver Bluetooth 5.0 Mini Power Amp 2 Channel 200W for Home/Outdoor/Garage/Ceiling/Passive Speakers Theater System |  |  |  |  |  | |
| Price | $79.99 | $59.99 | $99.99 | $79.99 | -10% $89.99 List: $99.99 | $129.99 |
| Delivery | Get it as soon as Tuesday, Jul 30 | Get it as soon as Tuesday, Jul 30 | Get it as soon as Tuesday, Jul 30 | Get it as soon as Tuesday, Jul 30 | Get it as soon as Tuesday, Jul 30 | Get it as soon as Tuesday, Jul 30 |
| Customer Ratings | ||||||
| Volume control | ||||||
| Value for money | ||||||
| Sound quality | ||||||
| Bluetooth connectivity | ||||||
| Sold By | Fosi Audio | EXOTON | Yima Top | Hifi Made Fun | Fosi Audio | 1MiiDirect |
| number of channels | 2 | 2 | 2 | 2 | 2 | 2 |
| voltage | 230 volts | 24 volts | 230 volts | 110 volts | 230 volts | — |
| output power | 200 watts | — | — | — | 600 watts | 100 watts |
| mounting type | — | Surface Mount | Tabletop mount | — | Tabletop | Surface Mount |
Product Description
Stream Hi-Fi Music to Your Stereo System
Bluetooth 5.0 Mini Power Amplifier
Fosi Audio was founded with a simple goal: Build products that sound great and make people want to listen to music every day. We design, manufacture, and sell many Hi-Fi audio products on the market. We pursue your perfect music journey. Enjoy Hi-Fi music with Fosi Audio products.
Product Parameters
2.0 Channel Bluetooth 5.0 Stereo Power Amplifier
- Power Adapter: 24V/4.5A, DC Input Range: 12-24V
- MAX Power Output: 100W x 2, Terminating Impedance: 2 Ohm - 8 Ohm
- THD ≤ 0.04%, SNR ≥ 98dB, Input Sensitivity ≤ 280mV
- Frequency Range: 20Hz - 20kHz (±1 dB), Input Mode: Bluetooth and RCA
- Bluetooth Transmission Distance: Up to 50 Ft
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up to 50ft connection
Bluetooth Receiver Amplifier
Instant setup with phones, tablets, and almost any other Bluetooth-enabled device.
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easy to fit your system
with Bass and Treble Control
Exclusively designed for the customers who pursue HiFi sound.
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MAX power output 100W*2
Simple Compact Design but Practical and Powerful
100 watt per channel power output can drive most home passive speakers to create astonishing Sound.
1 Bluetooth 5.0 Core 2 Improved Operation 3 Mini but Powerful
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for bookshelf speakers
2.0 Channel Wireless Stereo Amplifier
Easy to fit your audio system with Bluetooth and RCA input.
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made for audiophile
Extraordinary Clarity Hi-Fi Sound
Even at high volumes, there’s less than 0.04% harmonic distortion resulting in remarkable clarity.
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TI TPA3116D2 Chip
Advanced Circuitry Architecture
The Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows.
1 2.0CH 2 High-Performance 3 Exquisite Design
Safe DC Outlet
With a built-in power protection circuit, there are no sparks flying when you plug the power adapter into the amplifier. Safe for use!
24V/4.5A Power Supply
Fosi Audio BT20A equip with an energy-efficient and stable power supply can get an astonishing sound.
Comparison
 BT20A |  BT30D PRO |  BT30D |  MC101 |  MC351 |  V3 |  ZA3 | |
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Customer Reviews
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8,258
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667
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2,534
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139
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9
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642
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201
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Type
| Bluetooth 2.0 CH Amp | Bluetooth 2.1 CH Amp | Bluetooth 2.1 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.1 CH Amp | 2.0 CH Amp | 2.0 CH Mono Amp |
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MAX Power Output
| 100W x 2 | 165W×2+350W | 50W x 2+100W | 100W x 2 | 165W x 2 + 350W @ 4Ω | 300W x 2 | 190W x2/ 300W x1 |
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Input
| Bluetooth + RCA | Bluetooth + RCA | Bluetooth + RCA | Bluetooth + RCA | Bluetooth 5.3+RCA+COA+OPT+USB | RCA | RCA+XLR+¼”TRS |
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Output
| Passive Speakers | Passive/Active Speakers/Sub | Passive SPK+Active/Passive Sub | Passive Speakers | SPK OUT+SUB OUT+3.5mm PRE OUT | Passive Speakers+Pre-Out | Passive SPK +Sub-out |
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Treble & Bass Control
| ✔ | ✔ | ✔ | ✔ | ✔ | ✘ | ✘ |
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THD
| ≤ 0.04% | ≤ 0.3% | ≤ 0.04% | ≤0.03% | ≤0.03% | <0.003% | <0.006% |
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SNR
| ≥ 98dB | ≥ 108dB | ≥ 98dB | ≥100dB | ≥100dB | ≥110dB | ≥106dB |
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Terminating Impedance
| 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 4-8 Ohm | 4-8 Ohm | 2-8 Ohm | 2-8 Ohm |
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Power Adapter
| 24V/4.5A | 32V/5A | 24V/4.5A | 24V/4.5A | 32V/5A | 32V/5A | 48V/5A |
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Work Voltage
| AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V |
Videos
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Videos for this product
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WATCH this video before purchasing! FOSI amplifier
NC
Videos for this product
2:34
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Simple & Effective! Fosi Audio BT20A Bluetooth 2 Channel Amp
Daniel
Videos for this product
0:14
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Customer Review: Pushed Passive Speakers Very Well
Danny
Videos for this product
2:57
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Fosi Audio BT20A First impression
Tools. Electro. DIY
Videos for this product
0:10
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Customer Review: Cheap amp with some faults
Amy Ravelo
Reviews with images
Great sound quality, plenty of power, and compact size make this one an excellent value...
I bought this because I could power it from a DeWalt power tool battery so that I could audition speakers anywhere. I was so impressed with the sound clarity and power, that I could recommend this as a main amp for many people who want a compact two channel stereo in a medium sized room.It drives full size 10", 3 way speakers at high volume effortlessly, with no detectable distortion or noise.The two minor issues I encountered:1. The knobs were not indexed correctly, meaning that the tick mark pointing straight up was not the halfway point in the adjustment. This was the case for all three knobs. Setting the bass and treble to exactly halfway meant you'd need to point them to ~1:00 position. I removed them and indexed them correctly.2. The speaker connectors were rotated at random angles. This meant that the holes for wires were oriented in a way that you could not get a wire through them from the top or bottom. I got a small drill bit and rotated them so they were correct. It's a non issue if you only use banana plugs to connect speakers.Neither of these issues was a deal breaker for me. Still would recommend this as a great starter or garage amp, or as the basis for a portable setup. Considering a second one for just that purpose.It's now getting a lot of use in a portable outdoor sound system powering a pair of Canton Plus S speakers.Great sound quality, plenty of power, and compact size make this one an excellent value.Here's a link to the parts I used to make the amp portable.https://www.amazon.com/hz/wishlist/ls/1YOKSU5PRZWXH?ref_=wl_share
Top reviews from other countries
Fabiano Chagas
A Sonic Masterpiece for My Backyard Oasis
Reviewed in Canada on July 10, 2024Maël Le Goascoz
Très bon produit, pratique et facile d'utilisation !
Reviewed in France on July 19, 2024