Compact Design: Miniaturized structure with horizontal row input & output ports.

Dual Battery Input: Supports automatic switching and balancing between batteries.

Multi-Channel Support: 4 current outputs for direct connection to 4 channel servos.

Plug and Play: No welding required for connectors.

Voltage Monitoring: Internal dual input voltage monitor with memory function for low voltage detection.

High Voltage Servo Support: Compatible with HV servos (7.4V), with switchable output voltage.

Safety Switch Included: Comes with FSS-3 failure safety switch with status indicator (#46813). VR Pro Duo also supports FSS-4 lightweight switch (#46814).

Thermal Management: Equipped with heat sink and external cooling fan (#46816).

High Capacity Output: Supports up to 10 servos of 30kg digital type.

Heavy-Duty Use: Suitable for large 13KG model aircraft, such as 120CC gasoline-powered aircraft.

Linear Regulation: Low interference and ripple for clean, stable output.

Redundant Power Input: Uses simulated diode dual redundancy for enhanced reliability.

High Output Capability: Double MosFET output with independent linear control IC.

Low Dropout Design: Maximizes use of battery capacity, especially in HV (High Voltage) mode.

Efficient Heat Management: Large heat sink provides excellent dissipation and overload handling.

Precise Voltage Control: Built-in MCU accurately manages FSS-3 and internal voltage.

Fail-Safe Design: Ensures uninterrupted operation.

SMT Manufacturing: Guarantees consistent quality and reliability.

Premium Components: Input and output ports use high-quality tantalum capacitors.

Factory Assembled & Tested: Fully assembled and tested at Dualsky’s Shanghai facility.