Hifonics HCM-800.4D Colossus Mini Ultra Compact 4 Channel Full Range Amplifier – 800 Watts
Maximize your vehicle’s audio performance with the Hifonics HCM-800.4D Colossus Mini Ultra Compact 4 Channel Full Range Amplifier. Designed to deliver powerful output in a compact footprint, this advanced Full Range Class-D amplifier provides 800 watts of total power while maintaining efficient operation for automotive, motorcycle, and UTV audio applications.
The HCM-800.4D combines Hifonics’ high-efficiency amplifier technology with a space-saving chassis, making it ideal for installations where room is limited but premium sound performance is required. Its four-channel design supports full-range speaker systems, stereo operation, and bridged configurations for flexible system building.
Key Features
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800 Watts Maximum Power Output for powerful full-range audio performance
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4 Channel Full Range Class-D Design for efficient operation and reduced heat generation
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Ultra-Compact Colossus Mini Chassis for space-saving installations
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4 x 200 Watts RMS @ 2 Ohms for high-output speaker applications
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4 x 100 Watts RMS @ 4 Ohms for standard speaker setups
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2 x 400 Watts RMS Bridged @ 4 Ohms for increased power 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–250Hz
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Built-In Bass Control for convenient tone adjustment
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High-Level Speaker Inputs for compatibility with factory audio systems
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Nickel-Plated RCA Inputs for reliable signal connection
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Ultra-Fi MOSFET Output Devices for improved power handling and thermal efficiency
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Mass-Loaded Extruded Aluminum Heat Sink for enhanced cooling performance
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Delayed Turn-On Circuit to help eliminate unwanted startup noise
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Triple Protection Circuitry including thermal, short circuit, and voltage protection
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Angled Molded Connection Terminals for cleaner wire management
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CNC-Machined Aluminum Badging for a premium appearance (hifonics.com)
Compact Size, Serious Power
The Hifonics HCM-800.4D Colossus Mini is engineered for enthusiasts who need high output without a large amplifier footprint. Its Full Range Class-D topology allows efficient power delivery while remaining compatible with a wide variety of speakers, including full-range drivers and pro-style audio systems.
The compact design makes it an excellent choice for vehicles with limited installation space, including motorcycles, UTVs, trucks, and custom automotive builds. Despite its small size, the amplifier delivers the power and tuning flexibility expected from the Hifonics Colossus Mini series.
Specifications
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Brand: Hifonics
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Series: Colossus Mini
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Model: HCM-800.4D
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Amplifier Type: 4 Channel Full Range Class-D
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Maximum Power: 800 Watts
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Channels: 4
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Power Output:
- 4 x 200W @ 2 Ohms
- 4 x 100W @ 4 Ohms
- 2 x 400W Bridged @ 4 Ohms
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Frequency Response: 10Hz–25kHz
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Signal-to-Noise Ratio: >85dB
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THD: <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–250Hz
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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 80A
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Dimensions: Approximately 10.5" x 5.28" x 2.72"
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Weight: 4.4 lbs
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Warranty: 1 Year (hifonics.com)
Why Choose the Hifonics HCM-800.4D?
The Hifonics HCM-800.4D Colossus Mini 4 Channel Amplifier delivers the perfect combination of compact design, efficient Class-D performance, and powerful output. Whether upgrading factory speakers, powering a custom audio system, or building a space-conscious installation, this amplifier provides the flexibility and performance needed for a premium listening experience.
Small in size, but built with Hifonics power, the HCM-800.4D is designed to bring clean, efficient, and powerful audio performance to demanding mobile sound systems.
