BFAudioPro VA4850i Professional Amplifier – Power and Reliability for Every Audio Application

Overview

The BFAudioPro VA4850i is the perfect choice for those seeking a powerful, durable, and versatile audio solution. With its 4-channel design and 2U standard rack size, the VA4850i delivers outstanding performance for both fixed installations and mobile setups, meeting diverse needs from bars and karaoke venues to conference halls and small performance stages.

Superior Design & Durability

The VA4850i is engineered for high reliability and long service life. Its 2U standard chassis integrates seamlessly into existing audio systems.
● Soft-start and overload protection circuits safeguard against sudden voltage spikes.
● Class H amplification ensures high efficiency with reduced heat output.
● Intelligent variable-speed fan adjusts automatically to temperature, keeping the system stable and quiet.
● Precise control with power switches and LED indicators for each channel, simplifying monitoring and adjustments.

Impressive Audio Performance

● Powerful output: 850W at 8Ω and 1400W at 4Ω, driving a wide range of speakers.
● Flexible input sensitivity: 3.73V (32dB / X40) and 0.69V (40dB / X100), compatible with multiple signal sources.
● Wide frequency response: 20Hz–20kHz (±0.5dB), delivering natural and detailed sound.
● Shock filter (63Hz): >500, eliminating unwanted low-frequency noise.
● Ultra-low distortion: THD <0.025% at 1kHz, ensuring crystal-clear audio.

Comprehensive Connectivity & Protection

● Input connections: 20kΩ balanced, 10kΩ unbalanced, supporting various audio sources.
● Output connections: 4 × NL4, easy speaker integration.
● Protection features: short circuit, overheating, and DC leakage safeguards.
● Cooling system: front-to-rear airflow with variable-speed fan for efficient heat dissipation.

Ideal Applications

The VA4850i is perfectly suited for medium-sized fixed installations such as:
● Bars
● Professional karaoke venues
● Multi-purpose conference halls
● Small performance stages (up to 1,000 people)

Conclusion

With its power, reliability, and flexibility, the BFAudioPro VA4850i is the beating heart of any professional audio system. Designed for demanding environments, it ensures superior sound quality and dependable performance across a wide range of applications.