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 <1.0% THD and -77.7dBA signal-to-noise ratio - Wide frequency response from 10Hz to 30kHz Specifications Brand: Crunch Series: CRA Model: CRA-2000.4 Channels: 4 Amplifier Class: Class D Max Power: 2000W Power @ 2Ω: 4 x 500W Power @ 4Ω: 4 x 250W Bridged Power @ 4Ω: 2 x 1000W Crossover: 12dB/oct variable electronic HPF Range: 40Hz – 400Hz LPF Range: 40Hz – 400Hz Frequency Response: 10Hz – 30kHz THD: <1.0% Signal-to-Noise Ratio: -77.7dBA Inputs: RCA & High-Level Power Terminal: 4 AWG Speaker Terminal: 8 AWG Fusing: External 75A Voltage Input: 0.2–6V signal input range | Crunch | | CRA-2000.4 CRA Series 2000 Watt Four Channel Amplifier 250x4 @ 4OHM, 500x4 @ 2OHM, 1000x2 @ 4OHM Bridged | Black/Gray | Best Buy