IRFI4019 IRS2092 200W Class D Mono Amplifier Amp Board 330uF 100V 2 20mA | eBay Quiescent Current: 20mA Efficiency: 90% Rated output power: 200W Frequency response: 20Hz to 20KHz Operating voltage: +-30V to +-60V Recommended supply voltage: +-50V Maximum output current: 8A PCB Size: 87 * 58MM