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Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)
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Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and P1 Tube Pre-Amplifier$115.99This bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and BT05 Bluetooth 5.0 Transmitter and Receiver$129.98This bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Box X2 Phono Preamp$139.98This bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Banana Plugs 2 Pairs / 4 pcs$80.99This bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and [33ft/10m] Cable+Banana Plugs [4 Pairs / 8 pcs]$97.99This bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and [5.9ft/1.8m] 3.5-3.5MM HiFi Audio Cable$82.99This bundle contains 2 items -
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver and Box X1 MM Phono Preamplifier$101.99This bundle contains 2 items
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Product Description
Home Audio Bluetooth Receiver Amplifier
Our Story
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 audio products NOW!
2.0 Channel Bluetooth Stereo Amplifier
Product Parameters:
- Power Adapter: 24V/4.5A
- DC Input Range: 12-24V
- Terminating Impedance: 2 Ohm - 8 Ohm
- MAX Power Output: 100W x 2
- THD ≤ 0.04%
- Frequency Range: 20Hz - 20kHz (±1 dB)
- SNR ≥ 98dB
- Input Sensitivity ≤ 280mV
- Input Mode: Bluetooth and RCA
- Bluetooth Transmission Distance: Up to 50 Ft
- 2 Channel Power Amp: BT10A, BT20A, TB10A, V1.0G, TDA7498E, ZK-1002, ZK-502T...
- 2.1 Channel Power Amp: BT30A, BT30D, BL20C, ZK-TB21
- DAC: Q4, Q5, DA2120A, DA2120C, HD3, K3, E10
- Subwoofer Amp: TP-01, TP-02, M02, M03
- Phono Preamp: Box X2, BOX X1; Tube Preamp: P1
- Tube Headphone Amplifier: T20, P2
- Others: 5654 tube, Power Adapter, Brush, Audio Cables, GH5000 Gaming Headset
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Extraordinary Clarity Hi-Fi SoundInstant setup with phones, tablets, and almost any other Bluetooth-enabled device. Bluetooth 5.0 chip ensures your devices maintain a strong, stable connection up to 50 Ft away for skip-free music. |
Advanced Audio ArchitectureThe High-Performance Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows. Even at high volumes, there’s less than 0.04% harmonic distortion resulting in remarkable clarity. |
Irresistible FinishFosi Audio BT20A curved edges and sleek controls accentuate its unibody design. With truly useful features, and thoughtfully designed premium enclosures. A new generation: exquisite design, improved operation. |
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Drive passive speakersPerfect if you prefer separate passive speakers and preamps for your audio setup. 100 watt per channel power output can drive most home passive speakers to create astonishing Sound. Easy to fit your audio system with Bluetooth and RCA input |
Upgraded DC OutletThe old version or other brand amplifiers sparks flying when power supply plugin, it's unsafe. 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 SupplyFosi Audio BT20A equip with the energy-efficient and stable power supply can get an astonishing sound. |
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| BT20A | BT10A | BL20C | BT10A-S | BT30D | BT20A-S | |
| Type | 2.0 CH Amp | 2.0 CH Amp | 2.1 CH Amp | 2.0 CH Amp | 2.1 CH Amp | 2.0 CH Amp |
| Input | Bluetooth + RCA | Bluetooth + 3.5mm AUX | Bluetooth + RCA + U-disk | Bluetooth + 3.5mm AUX | Bluetooth + RCA | Bluetooth + RCA |
| Output | Passive speakers | Passive Speakers | Passive Speakers | Passive Speakers | Passive (Speakers+Subwoofer) +Powered Subwoofer | Passive speakers |
| THD | ≤ 0.04% | ≤ 0.04% | ≤ 0.04% | ≤ 0.04% | ≤ 0.04% | ≤ 0.04% |
| SNR | ≥ 98dB | ≥ 98dB | ≥ 98dB | ≥ 98dB | ≥ 98dB | ≥ 98dB |
| Terminating Impedance | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm |
| Power Adapter | 24V/4.5A | 19V/4.74A | 24V/4.5A | 19V/4.74A | 24V/4.5A | 24V/4.5A |
| Work Voltage | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V |
| MAX Power Output | 100 wattx2 | 50 wattx2 | 160Watt x 2 | 50 wattx2 | 50 wattx2+100 watt | 100 wattx2 |
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| P1 | BOX X2 | BT20A-S-NEW | BOX X4 | DA2120A | M04 | |
| Type | Tube Preamp | Phono Preamp | 2.0 CH Amp | Phono Preamp/Headphone Amp | 2.1 CH Amp | Subwoofer Amp/Mono Amp |
| Input | RCA | RCA+3.5mm AUX | Bluetooth + RCA | MM Turntable+3.5mm AUX | Bluetooth+ AUX + USB + Optical + Coaxial | RCA |
| Output | Powered Speakers | MM Turntable Input | Passive speakers | Powered Speakers +Headphone | Passive speakers + Powered subwoofer | Passive (Speakers+Subwoofer) |
| THD | ≤0.1% | ≤ 0.1% | ≤ 0.04% | ≤ 0.1% | ≤ 0.1% | ≤0.03% |
| SNR | ≥ 98dB | ≥ 98dB | ≥ 98dB | ≥ 70dB | ≥105dB | ≥106dB |
| Terminating Impedance | — | — | 2-8 Ohm | - | 2-8 Ohm | 2-8Ohm |
| Power Adapter | 12V/1.5A | 12V/1.5A | 24V/4.5A | 12V/1.5A | 24V/4.5A | 19V/4.74A |
| Work Voltage | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V | AC 110V - 240V |
| MAX Power Output | — | — | 100 wattx2 | - | 50 wattx2 | 100 watt |
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Customer Questions & Answers
Customer reviews
Top reviews from the United States
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Reviewed in the United States on August 13, 2019
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Reviewed in the United States on September 18, 2018
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Reviewed in the United States on May 9, 2018
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Top reviews from other countries
Benny
Top 2x100W Verstärker zu einem sehr fairen Preis
Reviewed in Germany on September 7, 2020Verified Purchase
Shiv
Stop wasting time and just buy!!!!
Reviewed in the United Kingdom on January 30, 2020Verified Purchase
Stop wasting time and just buy!!!!
Reviewed in the United Kingdom on January 30, 2020
I wanted to power my Wharfedale Diamond 9.1s, but my AV receiver was too large so I took the plunge and bought this mini class D amp. OMG wow this amp makes my speakers sound better then my Onkyo amp!!! As an audiophile, I am quite fussy about sound, but wow this is the best thing I did! I Bi-wired my speakers and they sound great... I recommend using banana plugs for superior sound.Reviewed in the United Kingdom on January 30, 2020
The only thing missing from this wonderful amp is a remote, so Fosi Audio if you are reading this, please produce a remote for your amps it would make the experience absolutely perfect!
Anyway so far so good! Definitely will recommend to anyone, its a god send!
Images in this review
Sone Stone
Quite decent but not enough volume...get better for £12 more.
Reviewed in the United Kingdom on June 18, 2020Verified Purchase
C.R
Bluetooth stopped working after 30 days - I now have a replacement though
Reviewed in the United Kingdom on April 18, 2020Verified Purchase
darkmatter74
Hifi sound at low-fi prices
Reviewed in the United Kingdom on November 28, 2020Verified Purchase
Hifi sound at low-fi prices
Reviewed in the United Kingdom on November 28, 2020
Considering the price and size of this amp, you will not believe the hifi quality sound it produces - crystal high frequencies, tight low end with strong mids. The bluetooth connectivity is great.Reviewed in the United Kingdom on November 28, 2020
I originally bought some expensive PC speakers to play my hi-res music from my MAC while I'm working. They were pants!! So I thought I'd look for a hi-fi solution. Worried about what I would get on a budget, I luckily found this amp along with a pair of entry level Wharfedale speakers. Reviews for this amp were extremely favourable so I bit the bullet. I am so glad I did.
This is a PERFECT solution for what I needed. Hi-res hi-fi sound from my MAC. I think anyone who buys real hifi products would be extremely surprised at the performance from this little unit. It wouldn't replace my full hi-fi amp but it is not far off.
If you are on a budget and need sound from your MAC or PC, forget the range of 'computer speakers'. Most of them are poor. Get this amp and some decent hi-fi speakers. You won't regret it. I am stunned and over the moon with it!
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