Main BFAUDIO VA2650i

Main Karaoke BFAUDIO VA2650i

If you are looking for a powerful, durable power amplifier for your karaoke system or professional sound system, Main BFAUDIO VA2650i is a worthy choice with stable performance and outstanding sound quality, sturdy design, powerful signal amplification and realistic sound quality.

General Introduction About Main BFAUDIO VA2650i

To evaluate a power amplifier, technical parameters are important factors that help users understand the performance, amplification capacity and durability of the device. Main BFAUDIO VA2650i Possesses impressive technical specifications, ensuring powerful, faithful and stable sound quality throughout use.

Specifications of the product:

• Powerful capacity: 650W x 2 (8Ω), 1000W x 2 (4Ω), suitable for many sound systems.
• High input sensitivity: 32dB / X40dB, makes the audio signal stable and clear.
• Input impedance: 10kΩ (unbalanced) / 20kΩ (balanced), optimized signal transmission.
• Wide frequency response: 20Hz – 20kHz (±0.5dB), reproduces true sound.
• Shockproof filter: 63Hz > 500, reduces signal noise and vibration.
• Low THD: <0.025% (1kHz), ensuring distortion-free sound. Low noise: > 105dB, providing clear sound with little background noise.
• Professional connection system: 2 XLR inputs, 2 NL4 outputs, compatible with many devices.
• Smart cooling system: Speed-controlled fan, air flow from front to back, helps the mainboard operate durably.
• Stable power supply: AC 220V ±10% 50-60Hz, suitable for many usage environments.
• Rugged design: Dimensions 482W x 400D x 88H (mm), weight 18.5kg, easy to install.

Features of BFAUDIO VA2650i Power Main

To learn more about Main BFAUDIO VA2650i, we will delve into the important features that make this device a top choice for professional audio systems.

• BFAUDIO VA2650i Power Main is one of the top choices for professional audio systems, thanks to its powerful performance, stable sound quality and durable design. With high capacity, superior signal processing and intelligent cooling system, this product meets the needs of good use for all configurations.
• Powerful, high performance: With a capacity of 650W x 2 (8Ω) and 1000W x 2 (4Ω), the BFAUDIO VA2650i main meets the needs of use in professional sound systems, from high-end karaoke systems to stage sound systems.
• Superior sound quality: Thanks to its extremely low total harmonic distortion (THD) <0.025% and wide frequency response of 20Hz – 20kHz (±0.5dB), the device delivers clear, detailed, undistorted sound even at high volume levels.
• Good signal processing capabilities: 32dB / X40dB input sensitivity combined with 10kΩ (unbalanced) / 20kΩ (balanced) input impedance provides stable signal transmission, reduces noise and increases amplification efficiency.
• Smart cooling system: Using a speed-controlled fan with front-to-back airflow ensures stable mainboard operation, reduces the risk of overheating, and prolongs device life.
• Flexible, professional connectivity: Equipped with 2 XLR input ports and 2 NL4 output ports for easy connection to other audio devices, ensuring accurate and powerful signal transmission.
• Stable power consumption: Operates on AC 220V ±10% 50-60Hz power supply, ensuring stable performance under various voltage conditions.

Detailed Review of BFAUDIO VA2650i Karaoke Main Unit

Possessing powerful capacity, realistic sound quality and modern amplification technology, this product ensures stable and durable performance.

Solid Design, High Durability – Suitable for All Sound Systems

Main BFAUDIO VA2650i has a sturdy design with an outer shell made from high-quality materials, helping to protect internal components from mechanical and environmental impacts. With a weight of 18.5kg and dimensions of 482W x 400D x 88H (mm), the device is suitable for standard audio rack cabinets, making it easy to install in professional audio systems.

Use AC power source 220V ±10% 50-60Hz, BFAUDIO VA2650i Ensures stable operation even under unstable voltage conditions. This is an important factor in helping the device maintain good performance without being affected by voltage fluctuations.

Powerful Amplifier Performance – Big Power, Powerful Sound

One of the most important factors when choosing a power amplifier is the ability to amplify audio signals. Main BFAUDIO VA2650i Equipped with 650W/channel at 8Ω and 1000W/channel at 4Ω, ensuring powerful and powerful output sound.

With this power level, the device can pull many full-range speakers and subwoofers well without distortion or loss of sound quality. In addition, the total harmonic distortion (THD) index <0,025% shows the ability to reproduce extremely faithful sound, limiting distortion even when operating at high power levels.

Frequency response range from 20Hz – 20kHz (±0.5dB) helps to fully reproduce all three sound ranges: bass, mid and treble, providing balanced and detailed sound quality. Thanks to these impressive parameters, Main BFAUDIO VA2650i Not only does it deliver powerful sound, it also ensures clear, faithful sound quality in all operating conditions.

High Sensitivity, Stable Signal – Reduce Noise, Increase Performance

A good power amplifier not only needs to have high power but also needs to ensure stable input signal to maintain sound quality. Main BFAUDIO VA2650i has an input sensitivity of 32dB/X40dB, allowing easy integration with other sound processing devices such as digital echo and mixer without too much adjustment.

In addition, the input impedance of 10kΩ (unbalanced) and 20kΩ (balanced) helps ensure stable audio signal transmission, limiting signal interference or distortion. In particular, advanced signal processing technology helps eliminate unwanted noise, providing cleaner and more realistic sound quality.

Thanks to these advantages, Main BFAUDIO VA2650i can maintain high performance without being affected by signal interference from other devices in the audio system.

Modern Sound Filtering Technology – Reduces Noise, Increases Clarity

To ensure clear and crisp output sound, Main BFAUDIO VA2650i Equipped with a low-frequency shock filter at 63Hz (>500), which eliminates unwanted vibrations in the bass range. This is an important technology that helps improve sound clarity, especially when playing music with deep bass or when used with a subwoofer.

In addition, the main also has a signal-to-noise ratio (SNR) >105dB THD, ensuring that the audio signal is not mixed with noise, helping the vocals in karaoke become brighter and clearer. With these modern sound filtering technologies, BFAUDIO VA2650i Not only does it help make the sound cleaner, it also reduces background hum or noise that is common in low-quality power amplifiers.

Diverse Connection System – Easily Compatible With Many Devices

One of the outstanding advantages of Main BFAUDIO VA2650i is the ability to connect flexibly, suitable for many different sound systems. The device is equipped with 2 XLR input ports, helping to connect to digital echo, mixer stably and minimize signal interference.

In addition, the 2 NL4 output ports allow connection to many different types of speakers, from full-range speakers to subwoofers, helping to transmit power optimally without signal loss. Equipped with standard connection ports, the device can be easily combined with professional karaoke, stage and hall sound systems, bringing convenience during installation and use.

Optimal Cooling System – Ensures Stable Performance

The cooling system plays an important role in ensuring the durability and performance of a power amplifier. Main BFAUDIO VA2650i Equipped with a speed-controlled fan with front-to-back airflow, helping to reduce component temperature during operation.

This intelligent cooling system not only helps maintain stable amplifier performance but also prolongs the life of the device by preventing overheating. As a result, the product can operate continuously for a long time without experiencing performance degradation or interruption due to overheating.

Flexible and Popular Applications of BFAUDIO VA2650i Power Supply

Thanks to its powerful output, stable sound quality and sturdy design, Main BFAUDIO VA2650i Widely used in many professional sound systems. The device can operate effectively in large spaces, ensuring the sound is always strong, clear and faithful.

• High-end karaoke system: 650W/channel (8Ω) and 1000W/channel (4Ω) power helps to drive full-range speakers well, providing powerful sound, clear vocals, and no distortion.
• Stage, hall: Frequency response 20Hz – 20kHz (±0.5dB), ensuring clear, sharp sound for large events.
• Bars, clubs, DJs: Low distortion (THD <0,025%), 63Hz anti-shock filter for tight bass, limiting vibration and noise.
• Outdoor events: High capacity, efficient cooling system, stable operation for long time.
• Church, seminar: Low distortion, clear voice transmission, easy to hear, no harshness.

Where to Buy Cheap, Genuine, High-End BFAUDIO VA2650i?

If you are looking for Main BFAUDIO VA2650i with the best price, guaranteed genuine and high quality, Phuc Truong Audio is a reliable address. With many years of experience in the field of professional audio, Phuc Truong Audio Committed to providing 100% genuine products, with full warranty stamps and certification papers from the manufacturer.

At Phuc Truong Audio, customers will receive competitive prices, many preferential programs, along with technical support policies, on-site installation. In addition, the team of experts here is always ready to advise, help you choose the right equipment for your needs, ensuring the sound system operates optimally.

Frequently Asked Questions When Buying Main BFAUDIO VA2650i

Does the BFAUDIO VA2650i have speaker protection?

Hair Has intelligent protection circuit, including overload, overheating, short circuit to protect the speaker and the entire sound system.

When turning on the BFAUDIO VA2650i Main, there is a loud "pop" sound from the speaker. Is the mainboard faulty?

No, it may be due to the wrong order of turning on/off the devices. Always turn on the digital mixer/echo first, then turn on the main board, and turn off the main board before turning off the digital mixer/echo to avoid electrical surges that cause loud “pop” sounds.

If there is a sudden power failure while the main board is running, will it have any effect?

May damage the power supply circuit or internal components if subjected to continuous electric shock. Use a UPS or voltage stabilizer if the power system is unstable.