Banda 1-Channel Vehicle Audio Amplifier - 3000 Watts High-Powered Mono Bass Amplifier w/Subsonic Filter and Low Pass Filter Stable at 2 ohms, LED Indicators, Sound Specialization BEAT3002POWER SUPPLY: Class D vehicle audio amplifier, Total Power 14.4 @ 2 Ohms: 3500 WRMS, Total Power 14.4 @ 4 Ohms: 2600 WRMS, Total Power 12.6 @ 2 Ohms: 3000 WRMS, Total Power 12.6 @ 4 Ohms: 2150 WRMS, Efficiency @ 2 Ohms: 72%, Efficiency @ 4 Ohms: 81%CAR AUDIO AMPLIFIER INDICATORS: Blue LED: source and powered amplifier indicator, Red LED: output distortion (clipping), shorting and thermal protection indicator, Yellow LED: below specified voltage indicator (flashing)POWER OUTPUT AND IMPEDANCE: Input Voltage: 9 to 15V, Input Impedance: 100K Ohms, THD + Noise: less than 1%, Input Sensitivity: 135mV to 4V, Signal to Noise Ratio: 80dBSOUND SPECIALIZATION: This high-powered Power Amplifier is cutting edge technology at its finest. RCA connectors ensure a secure connection between amplifier and speakers that allow distortion-free soundOTHER TECHNICAL SPECS: Recommended Fuse: 150A, Current at Rest: 1.5A, Ave. Current Draw (Sinusoidal): 360 A, Ave. Current Draw (Music): 180 A, Power Wire Gauge: 21mm/4 AWG, Speaker Wire Gauge: 2 x 4mm/2 x 11 AWG, Size: 9.7'' x 8.4'' x 2.2'' -inches