Description

The Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier stands out as a high-performance mini audio amplifier designed for users seeking quality sound with convenience. Delivering a powerful 300W x 2 output and packed with the advanced Texas Instruments TPA3255 chip, this compact yet mighty amplifier is ideal for passive speakers in both home and outdoor setups. It’s a perfect choice for audio enthusiasts who want a customizable, high-quality listening experience without a bulky setup.

 

Key Features of the Fosi Audio BT20A Pro

300W x 2 Power Output: The BT20A Pro delivers 300 watts per channel, making it capable of filling large spaces with quality sound. Built with the TPA3255 chip, known for its high-efficiency and low distortion, this amplifier guarantees a professional-grade sound experience.

Bluetooth 5.0 Connectivity: Enjoy seamless wireless connectivity with Bluetooth 5.0, offering a stable connection up to 33 feet. You can easily pair and unpair devices by holding the volume control, and it even remembers previously connected devices, enhancing user convenience.

Customizable Sound Controls: Tailor the sound output to your preferences using the treble and bass knobs. This level of customization means you can optimize audio settings based on the genre of music or soundscape you’re creating.

Advanced Op-Amp Replacement Options: For users interested in creating distinct sound profiles, the BT20A Pro allows Op-Amp replacement. Options like the LME49720HA and MUSES02 can be used to modify sound quality, providing audiophiles with a personalized audio experience.

 

Why Choose the Fosi Audio BT20A Pro?

The Fosi Audio BT20A Pro 48V Bluetooth Amplifier is engineered for superior sound quality and versatility. Here’s a deeper look into what makes it an excellent choice for those serious about sound.

 

1. Efficient Power Delivery and Low Idle Loss

Equipped with the TPA3255 chip, this fosi audio bt20a pro 300w x2 amplifier features a high-efficiency feedback design and high-speed gate driver error correction, which minimizes idle loss to less than 2.5W. This results in clear, quality sound even when operating at high power levels, making it an energy-efficient choice for long listening sessions.

2. Optimal Performance for Passive Speakers

With 300 watts per channel output, the BT20A Pro powers passive speakers effortlessly, providing clean, impactful sound. Whether you’re using it for a home audio system or an outdoor event, its power capabilities will meet the demands of any environment.

3. Versatile Connectivity Options with Bluetooth 5.0

Thanks to Bluetooth 5.0 technology, you can pair your devices quickly and maintain a stable connection. The amplifier remembers paired devices, so you can reconnect with ease. This also allows for seamless transitions between devices, whether you’re switching from your smartphone to your tablet or laptop.

4. Precision Controls for Bass and Treble

Customize your listening experience with dedicated bass and treble controls. The BT20A Pro enables users to fine-tune audio settings, providing a balanced, distortion-free sound. For those who enjoy high-fidelity audio, these controls make it easy to achieve a perfect tonal balance.

5. Robust Build with Compact Design

Measuring only 5.59 x 4.21 x 0.16 inches, this amplifier is compact enough to fit comfortably in any setting. It’s easy to store and transport, making it a versatile choice for on-the-go events or limited-space setups. Despite its small size, the build quality is durable, designed to last through extensive use.

6. Op-Amp Upgradeability for Audio Customization

For enthusiasts looking to explore different audio profiles, the BT20A Pro offers replaceable Op-Amps. This upgrade option opens up new possibilities for sound customization, allowing you to swap out Op-Amps and experiment with unique tonal qualities.

 

Technical Specifications

Here are some specifications of the Fosi audio bt20a pro mini amp tpa3255.

Dimensions: 5.59 x 4.21 x 0.16 inches

Voltage: 48V

Number of Channels: 2

Bluetooth Version: 5.0

Output Power: 300W x 2

Input Options: Bluetooth and RCA

Package Contents: Amplifier, Bluetooth antenna, 32V/5A power adapter, AC cord, user manual

Output Power:  3E+2 Watts
Minimum Supply Voltage:  32 Volts (DC)

 

Frequently Asked Questions (FAQs)

1. Can I use the BT20A Pro with any passive speakers?

Yes, the BT20A Pro is designed to work with any passive speakers, delivering a strong, quality output.

2. Does the amplifier come with a built-in DAC?

No, the BT20A Pro does not have a built-in DAC, as it’s designed primarily as a Bluetooth and RCA input amplifier.

3. How do I replace the Op-Amps in the BT20A Pro?

The amplifier features removable Op-Amps, which can be replaced by carefully following the provided user manual instructions.

4. What is the Bluetooth range?

The Bluetooth range is approximately 33 feet, ensuring a stable connection within this distance.

5. Is this amplifier suitable for outdoor use?

Yes, the Fosi Audio BT20A PRO Manual amplifier is ideal for outdoor use, though it should be kept in a sheltered space to protect it from direct exposure to the elements.

6. How much power does Fosi Audio BT20A Pro Bluetooth pairing consume when idle?

The BT20A Pro has an idle power consumption of less than 2.5W, making it efficient for extended use.

7. Does it support multi-device pairing?

The amplifier remembers previously paired devices, allowing for quick switching between devices, but does not support simultaneous pairing.

8. Can I connect it to my TV?

Yes, you can connect the BT20A Pro to your TV using RCA cables or compatible Bluetooth.

9. Is the BT20A Pro compatible with Alexa or Google Assistant?

No, it does not support direct integration with Alexa or Google Assistant.

10. How to solve fosi audio bt20a bluetooth not working issue?

To solve the Bluetooth issue with your Fosi Audio BT20A Pro, try these steps:

1. Check Connections
2. Select Correct Output
3. Adjust Volume
4. Reset Bluetooth
5. Try Another Device

 

Conclusion

The Fosi Audio BT20A Pro Bluetooth 5.0 Amplifier combines powerful sound output, customizable features, and a compact design, making it an ideal choice for both home and outdoor audio systems. With Bluetooth 5.0 connectivity, precision bass and treble controls, and upgradeable Op-Amps, it offers a high level of versatility for casual listeners and audiophiles alike. If you’re looking for a reliable amplifier that supports passive speakers and delivers clear, impactful sound, the bt20a fosi audio amplifier stands out as a top option in its category.