Hifonics HAC-2000.4D Colossus Pro Super Class-D 4 Channel Full Range Amplifier – 2000 Watts Power your complete vehicle audio system with the Hifonics HAC-2000.4D Colossus Pro Super Class-D 4 Channel Full Range Amplifier. Designed for high-performance sound systems, this advanced 4-channel Class-D amplifier delivers 2,000 watts of total RMS power while combining exceptional efficiency, powerful output, and premium tuning capabilities for a truly customized listening experience. The HAC-2000.4D is part of Hifonics’ Colossus Pro amplifier lineup, engineered with a full-range Class-D platform, high-efficiency half-bridge design, and Ultra-Fi MOSFET output technology. Its flexible four-channel configuration allows it to power multiple speakers, component systems, or mixed speaker and subwoofer setups with impressive control and reliability. Key Features 2000 Watts Total RMS Power Output for powerful full-system performance Super Class-D 4 Channel Design for efficient, high-output amplification Full Range Class-D Technology supports a wide variety of speaker applications 1 Ohm Stable 4-Channel Operation for flexible system configurations Power Output: 500 Watts x 4 Channels @ 1 Ohm 300 Watts x 4 Channels @ 2 Ohms 175 Watts x 4 Channels @ 4 Ohms 750 Watts x 2 Channels Bridged @ 4 Ohms Ultra-Fi MOSFET Output Devices for efficient power delivery and improved thermal performance High-Efficiency Half Bridge Design for increased output capability Ultra-Low EMI Design helps reduce interference with vehicle electronics High-End Preamplifier Circuit accepts a wide range of input signals Nickel-Plated RCA Inputs for reliable, corrosion-resistant signal connections Multi-Layer PCB Construction for improved durability and signal stability Variable Electronic Crossovers for precise system tuning High-Pass, Low-Pass, and Full-Range Modes for flexible installation options Variable Bass Boost Control (0–12dB) for enhanced low-frequency adjustment Variable Speed Fan Cooling System for improved thermal management Delayed Turn-On Circuit helps eliminate unwanted startup noise Protection Circuitry safeguards against thermal overload, speaker shorts, and electrical faults Remote Level Control Included for convenient output adjustment High-Powered Full Range Performance The Hifonics HAC-2000.4D Colossus Pro amplifier is designed for enthusiasts who want serious output from a single, efficient amplifier platform. With four independent channels, it can power front and rear speakers, component speaker systems, or be bridged for additional output when building a custom audio setup. Its Super Class-D architecture provides strong efficiency while maintaining the power needed for demanding applications. The combination of advanced crossover controls, bass adjustment, and multiple operating modes allows installers to fine-tune the amplifier for the exact needs of their vehicle and speaker configuration. Specifications Brand: Hifonics Series: Colossus Pro Model: HAC-2000.4D Amplifier Type: Full Range 4 Channel Amplifier Amplifier Class: Super Class-D / Full Range Class-D Channels: 4 Total RMS Power Output: 2000 Watts Power Output: 500W x 4 @ 1 Ohm 300W x 4 @ 2 Ohms 175W x 4 @ 4 Ohms 750W x 2 Bridged @ 4 Ohms Frequency Response: 10Hz–30kHz THD: Less than 0.5% Signal-to-Noise Ratio: 86dB High-Pass Crossover: 15Hz–6kHz Low-Pass Crossover: 40Hz–2kHz Bass Boost: 0–12dB Input Sensitivity: 0.2V–5V Fuse Rating: 150A Recommended Power Wiring: 1/0 AWG Cooling: Variable Speed Fan + Aluminum Heat Sink Remote Control: Included Warranty: 1 Year Why Choose the Hifonics HAC-2000.4D? The Hifonics HAC-2000.4D Colossus Pro 4 Channel Amplifier delivers the perfect balance of power, efficiency, and flexibility for advanced automotive audio systems. With 2,000 watts of RMS output, Super Class-D technology, and extensive tuning controls, it provides the performance needed for powerful speakers, component systems, and custom sound builds. Upgrade your vehicle audio experience with the Hifonics HAC-2000.4D — engineered for clean power, reliable performance, and legendary Colossus Pro output.