Applicable Sound Booster Board Models:MT21, TB21, 2001, HT21, AS21. Input for Frequency Range: 50 ~ 60 Hz. Max Input Current: 3.5 A (under 220Vac input). Output Overload Protection Threshold: ≥20 A. Dynamic Load Response: Excels in handling sudden load changes, FOR ideal for audio devices and subwoofers with high transient demands.
