Crunch PX-2025.1D 2000 Watt Mono Amplifier Car Audio Amp Crunch Power X with SPEED-FET Output, QTD Technology in a D Class 1 ohm stable amplifier delivers 2000 watts to subwoofers and features include built-in electronic crossovers and includes bass remote.    POWER SUPPLY - High energy Pulse Width Modulated Power Supply delivers power with minimal impact on the electrical system.  OUTPUT CONNECTIONS - Nickel Plated Brass Connection with terminals allow for secure connection while resisting corrosion.  CONNECTION TYPE - Screw Down Connectors: Easy access for hand tool allowing a quick and secure  SYSTEM  CIRCUITRY DIAGNOSTICS - Monitor overload and speaker short  with lighted indicators on the amplifier end panel.  BASS REMOTE INCLUDED - Wired Bass Remote allows adjustments to bass frequencies to be made from the control mounted anywhere in the vehicle.