- Film capacitors with specified capacitance and a high-temperature resistant wire-wound inductive coil for reliable performance under load - Built-in overcurrent protection to guard against surges and faults - PCB base with a fireproof plate and a thick copper layer to safely carry high currents - High-performance nonpolar capacitor; the low-frequency portion is shaped by inductance to deliver a clear and full response 2-3 practical use scenarios: - In professional audio speaker crossovers to achieve stable filtering and a clear, full bass response - In high-current power supplies and DC link filters where safety, durability, and reliable current handling are critical - In industrial equipment or motor drives requiring robust current capacity and effective low-frequency filtering This design emphasizes safety, durability, and high-current performance while delivering precise low-frequency filtering and a clear overall signal.