Model Number: TR-A3000 Key Specifications/Special Features: This car amplifier is professionally engineered with 2 channels for powerful performance. It is well manufactured to produce refined sound quality. Its high technical quality allows you to enjoy music with depth and clarity.Maximum output power: 2,800W/2ohms at 0.05%.Low pass filter: 50Hz-250KHz.High pass filter: 80Hz-1.2KHz.Frequency: 10Hz-40KHz.Signal to noise ratio: >100dB.Input sensitivity: 200mV-6V.Input impedance: 22,000ohms.