Bluetooth Amplifier home audio
Simple yet Powerful Mini Amp
Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
- MAX Power Output: 100W x 2
- Terminating Impedance: 2 Ohm - 8 Ohm
- THD = 0.04%, SNR = 98dB
- Power Adapter: 24V/4.5A, DC Input Range: 12-24V
A No-Frills Amp
100 watt per channel power output can drive most home passive speakers to create astonishing sound.
With a Nice Consistent Resistance
Fine-tune your sound with the smooth bass and treble adjustment for optimal speaker performance.
Bluetooth Amplifier for Speakers
Instant setup with phones, tablets, and almost any other Bluetooth-enabled devices.
Crystal-Clear Hi-Fi Audio
Exceptional clarity at high volumes, with <0.04% distortion.
Power the Pair of Indoor/ Outdoor Speakers
Paired with your audio device over Bluetooth or RCA cable, you will get a rich and clear sound.
Advanced Circuitry Architecture
The Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows.
Friendly Solutions Guide
Q: How do I switch between RCA and Bluetooth on the BT20A?
A: Bluetooth takes priority over RCA. To switch to RCA, restart the device or disconnect Bluetooth.
Q: What is the position for flat frequency response on the amplifier?
A: The middle position (12 o'clock) provides a flat frequency response.
Q: What type of DC plug do I need for the BT20A's power supply?
A: The DC barrel connector dimensions are 5.5*2.5mm.
Q: What's the upgraded version of the BT20A amp, and what accessories come with it?
A: -If you're seeking the upgraded version of the BT20A, please consider the BT20A Pro amp. -In terms of accessories, a set of 24V/4.5A power cables and an instruction manual will be provided. Note: Remote control, banana plugs and extra cables are not included.
Q: Can you control the BT20A's volume from a tablet or phone via bluetooth connection as I do not want to walk to the device to alter the volume. A: You can control the volume directly from the audio source via the Bluetooth connection.
Q:Sound quality is not good? A: - Ensure that all cables are properly connected. -Adjust the treble and bass controls on the power amplifier to achieve the desired sound. -Try changing the sound source, speakers and cables to test. Please use high-quality music input.
Find More Bluetooth Amplifier from Fosi Audio
 BT20A |  BT20A PRO |  BT10A |  BT30D |  BT30D PRO |  MC101 |  MC331 | |
|---|---|---|---|---|---|---|---|
Customer Reviews | — | — | — | — | — | — | — |
Price | — | — | — | — | — | — | — |
Type | Bluetooth 2.0 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.1 CH Amp | Bluetooth 2.1 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.0 CH Amp |
MAX Power Output | 100W x 2 | 300W x 2 | 50W x 2 | 50W x 2+100W | 165W×2+350W | 100W x 2 | 105W×2@4O |
Input | Bluetooth + RCA | Bluetooth + RCA | Bluetooth + 3.5mm AUX | Bluetooth + RCA | Bluetooth + RCA | Bluetooth + RCA | Bluetooth+RCA+USB+Optical+Coa |
Output | Passive Speakers | Passive Speakers+Pre-Out | Passive Speakers | Passive SPK+Active/Passive Sub | Passive/Active Speakers/Sub | Passive Speakers | Passive SPK+ Pre-Out+Headphone |
Treble & Bass Control | ? | ? | ? | ? | ? | ? | ? |
THD | = 0.04% | = 0.005% | = 0.04% | = 0.04% | = 0.3% | =0.03% | =0.03% |
SNR | = 98dB | =108dB | = 98dB | = 98dB | = 108dB | =100dB | =100dB |
Terminating Impedance | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 4-8 Ohm | 4-8 Ohm |
Power Adapter | 24V/4.5A | 32V/5A | 19V/4.74A | 24V/4.5A | 32V/5A | 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 | AC 110V - 240V |
DAC Headphone Amplifier
Bluetooth 5.0 Stereo Amplifier
2.0 Channels Home Audio Amp
Subwoofer Amplifier & Mono Amp
Fosi Audio S3 HiFi Streamer
Fosi Audio S3 HiFi Music Streamer DAC Preamp
Fosi Audio V3
TPA3255 Class D Home Audio Mini Speaker 2 Channel Amp 300 Watts x2
Fosi Audio CA30
Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
Bluetooth Amplifier home audio
Simple yet Powerful Mini Amp
Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.
- MAX Power Output: 100W x 2
- Terminating Impedance: 2 Ohm - 8 Ohm
- THD = 0.04%, SNR = 98dB
- Power Adapter: 24V/4.5A, DC Input Range: 12-24V
A No-Frills Amp
100 watt per channel power output can drive most home passive speakers to create astonishing sound.
With a Nice Consistent Resistance
Fine-tune your sound with the smooth bass and treble adjustment for optimal speaker performance.
Bluetooth Amplifier for Speakers
Instant setup with phones, tablets, and almost any other Bluetooth-enabled devices.
Crystal-Clear Hi-Fi Audio
Exceptional clarity at high volumes, with <0.04% distortion.
Power the Pair of Indoor/ Outdoor Speakers
Paired with your audio device over Bluetooth or RCA cable, you will get a rich and clear sound.
Advanced Circuitry Architecture
The Texas Instruments TPA3116D2 Chip presents music with rousing highs and deep lows.
Safe DC Outlet
Input: Bluetooth and RCA; Output: Passive Speakers
Friendly Solutions Guide
Q: How do I switch between RCA and Bluetooth on the BT20A?
A: Bluetooth takes priority over RCA. To switch to RCA, restart the device or disconnect Bluetooth.
Q: What is the position for flat frequency response on the amplifier?
A: The middle position (12 o'clock) provides a flat frequency response.
Q: What type of DC plug do I need for the BT20A's power supply?
A: The DC barrel connector dimensions are 5.5*2.5mm.
Q: What's the upgraded version of the BT20A amp, and what accessories come with it?
A: -If you're seeking the upgraded version of the BT20A, please consider the BT20A Pro amp. -In terms of accessories, a set of 24V/4.5A power cables and an instruction manual will be provided. Note: Remote control, banana plugs and extra cables are not included.
Q: Can you control the BT20A's volume from a tablet or phone via bluetooth connection as I do not want to walk to the device to alter the volume. A: You can control the volume directly from the audio source via the Bluetooth connection.
Q:Sound quality is not good? A: - Ensure that all cables are properly connected. -Adjust the treble and bass controls on the power amplifier to achieve the desired sound. -Try changing the sound source, speakers and cables to test. Please use high-quality music input.
Find More Bluetooth Amplifier from Fosi Audio
BT20A | BT20A PRO | BT10A | BT30D | BT30D PRO | MC101 | MC331 |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Type | ||||||
| Bluetooth 2.0 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.1 CH Amp | Bluetooth 2.1 CH Amp | Bluetooth 2.0 CH Amp | Bluetooth 2.0 CH Amp |
| MAX Power Output | ||||||
| 100W x 2 | 300W x 2 | 50W x 2 | 50W x 2+100W | 165W×2+350W | 100W x 2 | 105W×2@4O |
| Input | ||||||
| Bluetooth + RCA | Bluetooth + RCA | Bluetooth + 3.5mm AUX | Bluetooth + RCA | Bluetooth + RCA | Bluetooth + RCA | Bluetooth+RCA+USB+Optical+Coa |
| Output | ||||||
| Passive Speakers | Passive Speakers+Pre-Out | Passive Speakers | Passive SPK+Active/Passive Sub | Passive/Active Speakers/Sub | Passive Speakers | Passive SPK+ Pre-Out+Headphone |
| Treble & Bass Control | ||||||
| ? | ? | ? | ? | ? | ? | ? |
| THD | ||||||
| = 0.04% | = 0.005% | = 0.04% | = 0.04% | = 0.3% | =0.03% | =0.03% |
| SNR | ||||||
| = 98dB | =108dB | = 98dB | = 98dB | = 108dB | =100dB | =100dB |
| Terminating Impedance | ||||||
| 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 2-8 Ohm | 4-8 Ohm | 4-8 Ohm |
| Power Adapter | ||||||
| 24V/4.5A | 32V/5A | 19V/4.74A | 24V/4.5A | 32V/5A | 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 | AC 110V - 240V |
DAC Headphone Amplifier
Bluetooth 5.0 Stereo Amplifier
2.0 Channels Home Audio Amp
Subwoofer Amplifier & Mono Amp
Fosi Audio S3 HiFi Streamer
Fosi Audio S3 HiFi Music Streamer DAC Preamp
Fosi Audio V3
TPA3255 Class D Home Audio Mini Speaker 2 Channel Amp 300 Watts x2
Fosi Audio CA30
Guided by our mission of "Redefining HiFi with Unmatched Value", Fosi Audio continues to fuel its passion for the Hifi industry, ramp up R&D efforts, and co-create new HiFi equipment with users. We pledge to bring more amazing Hifi gear with high value for the price, innovative design, cutting-edge technology, and premium quality, to audiophiles worldwide.