It is capable of running up to 18 volts for up to ,300 watts. It is a linkable amp and designed to run a 1 ohm per amp or 2 ohms when strapped. It comes with a knob and a clipping indicator. For power inputs, it will accept dual 0 awg for power and dual 0 awg for ground. This Listing Includes: (1) Amplifier (1) Knob Features: – 1 ohm stable – Variable low pass filter – Variable subsonic filter – Variable boost – Wired Knob remote control W/ Clip light – RCA Pass-Thru – Linkable – Dual 0 Awg Power Ground Inputs Specifications: 4 ohm 900Wx1 @ 14.4 Volts 2 ohm 2300Wx1 @ 14.4 Volts 1 ohm mono 5000×1 @ 14.4 Volts 1 ohm mono 6000×1 @ 16.0 Volts 1 ohm mono 7300×1 @ 18.0 Volts Input Sensitivity: 6V~0.2V Frequency Response: Hz15Hz~270Hz Low Pass: 35Hz ~ 250Hz 24dB / Slope Subsonic Filter: 10Hz ~ 50Hz 24dB / Slope Signal to Noise Ratio: dB100 Damping Factor: 150 More than THD @ 4ohms Less than 0.1% Fuse Rating External Needed 500 amp (250 amp per Positive Power input) LED Status Lights – Power and Protect – Dimensions: Length inch/mm 25.59″/650mm Heatsink Width inch/mm 9.38″/66mm Heatsink Height inch/mm 2.35″/59.6mm