BFAudio VA21450I Power Amplifier

Main Karaoke BF AUDIO VA21450I

BF AUDIO VA21450i Power Amplifier is a powerful audio amplifier, specially designed for professional audio systems. With impressive power and superior sound quality, this product perfectly meets the needs of karaoke configurations.

General Introduction About Main BF AUDIO VA21450I

Main BF AUDIO VA21450i Possesses a powerful configuration with impressive capacity, advanced signal processing system and flexible connectivity. To better understand the performance and advantages of the device, let's analyze each detailed specification below.

Specifications of the product:

• Powerful capacity: 1450W/channel (8Ω) and 2400W/channel (4Ω), ensuring good driving of high-power speakers.
• Flexible input sensitivity: 32dB / X40dB optimizes signals from a variety of source devices.
• High input impedance: 10kΩ (unbalanced) / 20kΩ (balanced), reduce signal loss, ensure stable sound.
• Wide frequency range: 20Hz – 20kHz (± 0.5dB), helps reproduce detailed sound from bass to treble.
• Good shockproof filtering ability: Index >500 (63Hz) helps reduce noise, improve stability during operation.
• Ultra low distortion: THD <0,025% helps to produce true sound, limiting distortion even when operating at high power.
• Noise level: >105dB THD helps the sound not to be mixed with noise, maintaining clarity.
• Professional input connections: 2 XLR ports help ensure stable signal transmission and minimize noise.
• Flexible output connections: 2 NL4 ports support quick and convenient speaker connection in the sound system.
• Efficient cooling system: Speed-controlled fan with front-to-back airflow helps dissipate heat quickly and increases durability.
• Stable power supply: AC 220V ±10%, 50-60Hz suitable for common electrical systems, ensuring continuous operation.

Features of BF AUDIO VA21450I Power Amplifier

Main Karaoke BF AUDIO VA21450i Designed to meet the needs of professional audio systems, with powerful power, optimal signal amplification and true sound quality. The device not only ensures stable performance but also possesses many advanced technologies, helping to optimize the audio experience.

• Powerful capacity: Power 1450W/channel at 8Ω and 2400W/channel at 4Ω, well meets the needs of professional sound systems.
• True sound quality: Frequency response 20Hz – 20kHz (± 0.5dB), accurate sound reproduction in all frequency ranges.
• Low distortion factor: THD < 0,025% helps the sound retain its original quality, without distortion or deformation.
• Low background noise: Signal to noise ratio > 105dB for clear sound without noise.
• Flexible connectivity: Equipped with 2 XLR inputs and 2 NL4 outputs, easy to integrate with other audio devices.
• Efficient cooling system: Speed-controlled fan with front-to-back airflow helps dissipate heat quickly, protecting internal components.
• Rugged design: Standard size 482W x 400D x 88H mm, easy to install in rack cabinet.
• Stable operation: Using AC power source 220V ±10%, 50-60Hz, ensuring durable performance for a long time.

Detailed Review of BF AUDIO VA21450I Karaoke Main Set

To better understand the actual performance and capabilities of BF AUDIO VA21450i Power Amplifier, we will delve into every important aspect of the device. From powerful power, realistic sound quality, flexible connectivity system, to optimal cooling and solid design, all will be analyzed in detail.

Solid Design, Easy Installation

BF AUDIO VA21450i Power Amplifier With a professional, optimized design with dimensions of 482mm x 400mm x 88mm, the device can be easily installed in a standard rack cabinet, saving space and increasing aesthetics. This standard size makes it easy for users to arrange in the system without worrying about taking up too much space.

The main weighs 23kg, providing high stability, limiting vibration when operating at high capacity. The outer shell is made of high-quality metal, sturdy and durable, helping to protect internal components from external physical impacts such as impact and dirt. The electrostatic paint coating on the outside not only increases aesthetics but also helps prevent scratches, increasing the life of the device.

The control panel is scientifically arranged, with easy-to-use adjustment buttons. Brand logo BF AUDIO are placed delicately, creating a luxurious highlight for the product. Thanks to the sturdy and optimal design, BF AUDIO VA21450i Suitable for professional sound systems, ensuring safety and high durability during use.

Powerful Power, Superior Sound Amplification

BF AUDIO VA21450i Power Amplifier is one of the powerful main lines of BF AUDIO, well meets the needs of use for professional stage, event and karaoke sound systems. With a capacity of 2 x 1450W at 8Ω and 2 x 2400W at 4Ω, the device has the ability to amplify strong signals, helping the sound to always be clear and sharp even in large spaces.

This capacity allows the amplifier to easily combine with full-range speakers and high-power subwoofers, providing powerful sound, wide coverage and stable quality.

Thanks to its large capacity, Main Karaoke BF AUDIO VA21450i Can pull from 2 - 4 full speakers or 2 subwoofers, ensuring the sound is always full frequency range, no distortion when operating at high volume. When used in a large space, the main still maintains stable performance, helping the sound to be thick, solid, powerful without breaking or distorting the sound.

Clear Sound Quality, Limited Distortion

BF AUDIO VA21450i Power Amplifier Not only is it powerful, it is also highly regarded for its ability to reproduce realistic, detailed sound. Thanks to its frequency response range of 20Hz – 20kHz (±0.5dB), the main can handle all sound ranges well, from deep, thick bass to bright, clear treble.

Total Harmonic Distortion (THD) < 0,025% is a big plus, helping to minimize distortion when the volume is increased. Even when used for a long time, the mainboard still ensures that the sound is not distorted, helping listeners feel the authenticity and sharpness of each note and lyric.

Signal-to-noise ratio > 105dB, helps to minimize background noise, providing clean and pure sound, even when operating at high power. This is an important factor for professional sound systems, especially in karaoke room environments, where noise-free sound is required to make vocals clearer and smoother.

Diverse Connection System, Easy Integration

Main BF AUDIO VA21450i Equipped with a diverse connection system, helping users easily integrate into existing sound systems. The device supports 2 XLR inputs, helping to stabilize audio signals, limit loss and effectively prevent interference.

In addition, the main also has 2 NL4 port outputs, ensuring flexible connectivity with many different speaker lines. Thanks to the smart connection system, BF AUDIO VA21450i Can be combined with digital echo, mixer, wireless microphone while still ensuring clean signal, no distortion or noise.

With an input impedance of 10k Ohm (unbalanced) / 20k Ohm (balanced), the device is compatible with most current audio devices, helping the signal to be transmitted stably without loss. Thanks to that, the sound always retains detail and sharpness, ensuring the best listening experience.

Efficient Cooling System, Maintain Stable Performance

BF AUDIO VA21450i Power Amplifier Equipped with a speed-controlled cooling fan, with convection air flow from front to back, helping to dissipate heat effectively. When operating for a long time, the power board is prone to overheating, but with the intelligent cooling system, the device always maintains a stable temperature, avoiding overheating that affects internal components.

The cooling fan system is designed to automatically adjust its speed, depending on the operating power level of the mainboard. When the load is light, the fan runs slowly to reduce noise, and when operating at high power, the fan will speed up to cool quickly, helping to maintain stable performance.

Energy Saving, Suitable for Common Power Sources

BF AUDIO VA21450i Power Amplifier Using AC 220V ±10%, 50-60Hz power source, the device operates stably even when the voltage fluctuates slightly. In addition, the device is designed with power saving technology, helping to reduce energy consumption while still ensuring powerful amplification performance.

With advantages in design, capacity, sound quality, connectivity and durability, BF AUDIO VA21450i is the perfect choice for those looking for a powerful, stable mainboard with high quality sound for professional sound systems.

Flexible and Popular Applications of BF AUDIO VA21450i Power Amplifier

BF AUDIO VA21450i Power Amplifier Not only powerful in sound amplification but also versatile in many practical applications.

• Professional Karaoke: Suitable for family rooms, business and VIP rooms with powerful sound, clear vocals, compatible with full-range speakers and subwoofers.
• Stage – Hall – Event: High capacity, suitable for conferences, performances, outdoor events with wide sound coverage and low noise.
• Church – Lecture Hall: Stable, clear sound amplification for lectures, presentations, ceremonies.

Where to Buy BF AUDIO VA21450i Cheap, Genuine, High Quality?

If you are looking for BF AUDIO VA21450i Power Amplifier with good price, guaranteed genuine and high quality, Phuc Truong Audio is a reputable address worth considering. With a commitment to providing 100% genuine products, full certification documents, long-term warranty, Phuc Truong Audio giving customers absolute peace of mind when shopping.

In addition, we also have preferential pricing policies, in-depth technical support and many attractive promotions. You can contact us directly for detailed advice and actual product experience before deciding to buy.

Frequently Asked Questions When Buying Main BF AUDIO VA21450i

If using the main in a closed room, will it get hot?

Maybe. Because. power main Large machines will radiate heat, so if placed in a closed space, you need to install a cooling fan or place the machine in a well-ventilated place to ensure operating efficiency.

Does the BF AUDIO VA21450i main have anti-feedback?

The main does not have an anti-feedback feature. If you want to reduce howling, you need to use a digital echo or an audio processing device with built-in anti-feedback to optimize sound quality.

When turning up the volume, does the BF AUDIO VA21450i Power Amplifier distort the sound?

Negligible. With a total harmonic distortion index THD < 0,025%, the main maintains the clarity of the sound even when operating at high power.