BFAudio VA4850i Power Amplifier

BFAudio VA4850i Power Amplifier

BFAudio VA4850i power amplifier is a high-end audio amplifier, designed to meet the needs of use in professional sound systems.

General Introduction About BFAudio VA4850i Amplifier

Possessing powerful capacity, durable design and advanced sound technology, BFAudio VA4850i Not only ensures true sound quality but also high durability and stable operation for a long time.

Outstanding product specifications:

• Power (8Ω): 4 x 850W – Ensures good drive of full-range speakers with stable performance.
• Power (4Ω): 4 x 1400W – Provides powerful power, suitable for high intensity sound systems.
• Input sensitivity (32dB / X40): 3.73V – Suitable for strong signal sources, optimizing sound quality.
• Input sensitivity (40dB / X100): 0.69V – Supports weak input signals, ensuring full volume.
• S/N Ratio (A Weight): > 110dB – Ensures clean sound, minimizing background noise.
• Frequency response (±0.5dB): 20Hz – 20kHz – Detailed, balanced sound reproduction from low to high range.
• Shock filter (63Hz): > 500 – Vibration control, limiting distortion when operating at high power.
• THD (1kHz): <0,025% – Keeps sound true, no distortion when amplified.
• Input connection: 20kΩ Balanced, 10kΩ Unbalanced – Ensures stable input signal, limits noise.
• Output connection: 4 x NL4 – Supports flexible connection with a variety of high-power speakers.
• Power supply (8Ω): 230V – 3.5A – Efficient operation, energy saving.

Features of BFAudio VA4850i Power Amplifier

BFAudio VA4850i Not only powerful in capacity but also equipped with many modern features, helping to optimize performance and protect the device during use.

• Powerful power amplifier ensures clear, detailed sound at all frequencies.
• Supports 4 independent channels, easy to pair with many types of speakers.
• Advanced anti-interference technology for clean, distortion-free sound.
• Smart cooling system helps the machine operate stably for a long time.
• Built-in safety protection circuit, prevents overload, overheating, short circuit.
• Compatible with a variety of devices, easy to connect to mixers, digital echoes, crossovers.
• Sturdy, durable design, suitable for professional sound systems.
• Save energy, optimize performance without overheating.

Detailed Review of BFAudio VA4850i Power Main

If you are looking for a powerful, stable power amplifier suitable for many professional sound systems, BFAudio VA4850i Power Amplifier is a worthy choice. Let's review in detail to better understand the design, performance and applicability of this device.

Sturdy, Modern Design

BFAudio VA4850i power amplifier Professionally designed with high-quality metal shell, increasing durability and protecting internal components. Electrostatic paint layer is scratch-resistant, limits dust accumulation, helping the device to always be durable and beautiful.

Standard 2U size (483mm x 400mm x 88mm) makes it easy to install in a rack cabinet, optimizing space for a professional sound system. Weight 24kg provides stability, limiting vibration during operation.

In addition, the intelligent cooling system with speed-controlled fan ensures efficient air circulation, helping the device maintain a stable temperature and avoid overheating when operating continuously for a long time. This helps to improve the durability and performance of the power main.

Powerful, True Sound Quality

BFAudio VA4850i power amplifier Provides powerful performance with:

• 850W/channel (8Ω) – Suitable for small and medium sound systems.
• 1400W/channel (4Ω) – Meets high power sound needs, helps to drive full-range speakers or subwoofers well.

Wide frequency response of 20Hz – 20kHz (±0.5dB) ensures realistic sound reproduction, from powerful bass to sharp treble. Extremely low total harmonic distortion THD <0,025% at 1kHz, for clear sound, undistorted when amplified.

Signal-to-noise ratio (S/N Ratio > 110dB) helps eliminate background noise, providing clean, detailed sound. Damping Factor (Damping Factor > 500 @ 63Hz) supports good control of the bass speaker, helping the bass to be solid and not boomy when turned up at high power.

Smart Protection System, Stable Operation

To ensure the device operates durably, BFAudio VA4850i Equipped with advanced protection system to minimize risks:

• Overload protection – The system automatically shuts off when the power exceeds the safety threshold, helping to protect internal components.
• Overheat protection – Effective heat dissipation, minimizing machine overheating during continuous operation.
• Short circuit protection – Prevents problems caused by short circuits or incorrect connections, protecting both speakers and power supplies.
• Shockproof filter – Limits vibration when the speaker operates at high power, keeping the sound stable and distortion-free.

With modern protection features, BFAudio VA4850i Not only does it prolong the life of the device itself, it also helps ensure the sound system operates safely, avoiding the risk of fire or damage.

Flexible Connection, Easy to Combine

BFAudio VA4850i power amplifier Supports many professional connection ports, making it easy to integrate into diverse sound systems. Equipped with Balanced 20kΩ and Unbalanced 10kΩ inputs, ensuring stable signal transmission, minimizing signal interference to help maintain sound clarity.

With 4 NL4 output ports, BFAudio VA4850i Can be flexibly connected to many high-power speaker lines, ensuring powerful and synchronous sound.

Additionally, two customizable input sensitivity levels of 32dB/X40 (3.73V) and 40dB/X100 (0.69V) optimize system-specific audio performance, suitable for a variety of professional audio configurations.

BFAudio VA4850i amplifier Also equipped with a 230V - 3.5A power port, helping to maintain a stable power source, ensuring high performance and safety during use.

Practical Application Of BFAudio VA4850i

BFAudio VA4850i power amplifier is a professional power main line, suitable for many different sound systems, from small to large scale. Thanks to its powerful capacity and stable sound quality, this device is widely used in many fields:

• Professional karaoke system: With a wide frequency range of 20Hz - 20kHz and high power, VA4850i helps reproduce clear, realistic sound, especially when combined with full speakers or subwoofers.
• Sound for halls and small stages: Meets the need for sound amplification in large spaces, ensuring clear vocals and background music, without distortion even during continuous operation.
• Bar, club, tea room: High power and large damping coefficient help control the bass range well, creating powerful and vivid sound effects.
• Outdoor events, fairs: Thanks to its stable performance and intelligent protection system, the VA4850i can operate continuously without overheating or quality loss.
• Church, conference center: Provides clear sound, limits background noise, suitable for spaces that require clear and stable sound.

Where to Buy Cheap, Genuine, High-End BFAudio VA4850i Power Amplifier?

If you are looking for a reputable address to buy BFAudio VA4850i Genuine with best price, Phuc Truong Audio is a reliable choice.

Here, you will be committed to product quality, long-term warranty policy and professional consulting service. Phuc Truong Audio Providing genuine products, competitive prices, dedicated technical support, helping you invest in high quality audio equipment at reasonable costs.

Frequently Asked Questions When Buying BFAudio VA4850i Power Amplifier

Which mixer can the BFAudio VA4850i main be paired with?

Power Amplifier BFAudio VA4850i Can be combined well with professional mixers such as Dynacord, Yamaha, Soundcraft, etc. to optimize sound quality.

Can the BFAudio VA4850i Power Amplifier drive a subwoofer?

Yes, with a powerful 1400W/channel (4Ω) and damping factor >500, the device can control well subwoofer slightly, helping the bass to be strong.

Do I need to use an external fan to cool the motherboard?

No need, because the device has an integrated automatic cooling system that helps maintain a stable temperature during operation.