Crunch CRA-2000.4 4-Channel Class D Car Amplifier The Crunch CRA-2000.4 is a high-efficiency 4-channel Class D amplifier designed to deliver powerful, clean, and stable audio performance in mobile systems. Built with a Switch Mode Power Supply (SMPS), it maintains consistent output even when vehicle voltage fluctuates, making it ideal for daily driving or high-demand audio setups. With flexible input options, adjustable crossovers, and robust protection features, this amplifier is engineered for both OEM integration and aftermarket upgrades. Key Features & Performance Highlights - 4-channel Class D amplifier with up to 2000W max output - Stable SMPS design ensures consistent power delivery under voltage variation - 4 x 500W @ 2Ω, 4 x 250W @ 4Ω, or 2 x 1000W bridged @ 4Ω - Variable 12dB/oct electronic crossover with 40Hz–400Hz range - RCA and high-level inputs with auto turn-on for OEM compatibility - Low distortion design with