Hifonics HCM-400.4D Colossus Mini Ultra Compact 4 Channel Full Range Amplifier – 400 Watts
Upgrade your vehicle’s sound system with the Hifonics HCM-400.4D Colossus Mini Ultra Compact 4 Channel Full Range Amplifier. Designed to deliver clean, efficient power in a compact chassis, this Full Range Class-D 4-channel amplifier provides 400 watts of total output while fitting into installations where space is limited.
The HCM-400.4D is part of the Hifonics Colossus Mini amplifier series, engineered for automotive, motorcycle, UTV, and custom audio applications. Its efficient Class-D topology, compact footprint, and flexible 4-channel operation make it an excellent choice for powering full-range speakers while maintaining reliable performance.
Key Features
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400 Watts Maximum Power Output for enhanced full-range audio performance
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4 Channel Full Range Class-D Design for efficient power delivery
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Ultra-Compact Colossus Mini Chassis for space-saving installations
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4 x 100 Watts RMS @ 2 Ohms for high-output speaker setups
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4 x 50 Watts RMS @ 4 Ohms for standard speaker configurations
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2 x 200 Watts RMS Bridged @ 4 Ohms for increased system flexibility
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Variable Electronic Crossovers with 12dB per octave slope
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Variable High-Pass Crossover: 15Hz–1kHz
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Variable Low-Pass Crossover: 30Hz–2.5kHz
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Built-in Bass Control for quick sound adjustment
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High-Level Speaker Inputs for factory radio integration
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Nickel-Plated RCA Inputs for dependable signal connection
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Ultra-Fi MOSFET Output Devices for improved thermal performance and power handling
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Mass-Loaded Extruded Aluminum Heat Sink for efficient cooling without fan noise
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Delayed Turn-On Circuit to help reduce startup pops and noise
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Triple Protection Circuitry including thermal, short circuit, and voltage protection
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Angled Molded Terminals for cleaner installation and easier wire management
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CNC-Machined Aluminum Badging for a premium appearance
Compact Power for Any Installation
The Hifonics HCM-400.4D delivers impressive performance from a small footprint, making it ideal for vehicles where amplifier mounting space is limited. Its Full Range Class-D design allows it to efficiently power a variety of speakers, including component systems, coaxial speakers, and pro-style audio drivers.
The amplifier supports multiple operating modes, allowing users to run a complete 4-channel speaker system or bridge channels for additional power when building a custom audio setup.
Specifications
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Brand: Hifonics
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Series: Colossus Mini
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Model: HCM-400.4D
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Amplifier Type: 4 Channel Full Range Class-D
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Maximum Power Output: 400 Watts
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Channels: 4
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Power Output:
- 4 x 100W @ 2 Ohms
- 4 x 50W @ 4 Ohms
- 2 x 200W Bridged @ 4 Ohms
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Frequency Response: 10Hz–25kHz
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Signal-to-Noise Ratio: >85dB
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Total Harmonic Distortion: <0.5%
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Crossover Type: Variable Electronic 12dB/Octave
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High-Pass Crossover: 15Hz–1kHz
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Low-Pass Crossover: 30Hz–2.5kHz
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Input Sensitivity: 0.2V–5V
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Speaker Level Inputs: Yes
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Power/Ground Wire Requirement: 4 AWG
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Fuse Rating: External 40A
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Dimensions: Approximately 9.3" x 5.28" x 2.72"
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Weight: Approximately 3.75 lbs
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Warranty: 1 Year
Why Choose the Hifonics HCM-400.4D?
The Hifonics HCM-400.4D Colossus Mini 4 Channel Amplifier combines compact installation flexibility with efficient Class-D power. Whether upgrading factory speakers, building a custom vehicle audio system, or adding high-performance sound to a motorcycle or UTV, this amplifier provides clean output, versatile tuning options, and dependable operation.
Small enough to fit almost anywhere, yet powerful enough to elevate your audio experience, the HCM-400.4D delivers the performance and reliability expected from the Hifonics Colossus Mini series.
