2. Easy to use, output voltage Vin~50V, continuously adjustable. 3. Equipped with a voltmeter display, thickened heat sink, temperature controlled air cooling, and sustainable operation. 4. Special inductance for digital power amplifier, special magnetic shielding structure, reducing noise and resisting electromagnetic interference; Ultra large rated current, low magnetic loss, low DC resistance, low noise, and usable audio power amplifier. 1. Supports DC11-27V wide voltage input, supports both in car and battery. 5. Eight 1000UF capacitors with sufficient capacity, paired with low filter capacitors, provide stable performance., Weight: 0.2425084882 Pounds, Manufacturer: Hipzeepo