The BFAudioPro VRi 28S is a professional two-channel power amplifier, designed in a lightweight 2U rack-mount chassis, aimed at applications requiring high reliability and durability for both fixed installations and mobile environments.
The VRi 28S utilizes Class TD amplification circuitry, delivering superior energy conversion efficiency while minimizing power consumption. The device is compatible with various speaker loads, operating effectively at both 8Ω and 4Ω impedances. The active cooling system features automatic variable-speed fans that adjust based on operating temperature, ensuring optimal front-to-back airflow to maintain stable temperatures and high performance.
Integrated protection features include soft-start circuitry, overload protection, short-circuit detection, over-temperature protection, and output DC offset protection, providing comprehensive safety for the amplifier and connected peripheral equipment. The user interface is optimized with an input sensitivity selector switch, independent volume controls for each channel, and LED indicators for power and signal status. For connectivity, the device is equipped with 2 x XLR ports for signal input and 2 x XLR ports for signal output (Link), along with 2 x Speakon speaker outputs, facilitating seamless integration into professional audio systems.