HED 4-Channel 440W Full Range Class-D Amplifier - H440.4D
Weight: 3.82 lb
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Overview
H440.4D - 4-Channel Full Range Class-D Amplifier
Upgrade your vehicle’s audio system with the Cerwin-Vega H440.4D HED Series 4-Channel Full Range Class-D Amplifier, engineered to deliver powerful, clean, and reliable performance for today’s high-performance car audio systems. Designed for enthusiasts who demand both efficiency and sound quality, this 4-channel car amplifier provides the perfect balance of power, precision, and durability.
The Cerwin-Vega HED Series amplifiers are built using high-efficiency Class-D amplifier technology, allowing the H440.4D to generate strong output while maintaining low heat levels and efficient power consumption. This advanced design ensures consistent performance while reducing strain on your vehicle’s electrical system. The result is powerful, distortion-free sound that enhances every detail of your music.
Constructed with a lightweight aluminum chassis, the H440.4D amplifier offers excellent heat dissipation and structural strength. The innovative cooling design helps keep internal components operating at optimal temperatures, ensuring stable performance during long listening sessions or demanding high-volume playback. This rugged construction also contributes to the amplifier’s long-term durability and reliability.
The H440.4D 4-channel amplifier is ideal for powering full-range car speakers, component speaker systems, and coaxial speakers. Its versatile design allows it to drive front and rear speakers with clarity and authority, making it a great choice for complete system upgrades. Whether you're enhancing your factory system or building a custom car audio installation, this amplifier delivers the performance you expect from Cerwin-Vega.
With its compact footprint and efficient design, the H440.4D can be installed in a wide variety of vehicles, including cars, trucks, and SUVs. The amplifier’s clean power delivery and high efficiency make it an excellent solution for both daily listening and high-output audio systems.
Key Features:
• 4-channel full range Class-D car amplifier
• High-efficiency Class-D technology for powerful, clean sound
• Lightweight aluminum chassis for superior heat dissipation
• Durable construction for long-term reliability
• Compact design for flexible installation options
• Ideal for powering component and coaxial speaker systems
Experience the next level of sound performance with the Cerwin-Vega H440.4D HED Series Amplifier, delivering precision, efficiency, and the legendary power of Cerwin-Vega car audio.
Specifications
Cerwin Vega HED Series 4-Channel Amplifier - H440.4D
POWER RATING
FREQUENCY RESPONSE (HZ): 50HZ-500HZ
RMS POWER PER CHANNEL 4Ω 75W X 4
RMS POWER PER CHANNEL 2Ω 110W X 4
RMS POWER PER 2 CHANNELS BRIDGED 4Ω 220W X 2
POWER SUPPLY
- Power Supply: 12V-14.4V
- Power Supply Threshold: 8.4V-16.5V
- Idle Current: 0.66A
DISTORTION
- THD: <0.3%
- S/N Ratio (A weighted @1W): >90dBA
- S/N Ratio (A weighted @FP): -88dBA
INPUT SENSITIVITY
- Low Input Level: Wide Range Input Sensitivity
- High Input Level: 0.3V-8.5V
INPUT IMPEDANCE
- Low Input Level: 22KΩ
- High Input Level:
OUTPUT STAGE
- Output Impedance: 2Ω
- Damping Factor (50Hz @ 4Ω): >100
- Bandwidth (-3dB): 20Hz-30KHz
CROSSOVER (-12/-24 dB/Oct)
- High Pass: 50Hz-500Hz
- Variable Low-Pass: 50Hz-500Hz
- Variable Sub-Sonic:
FUSE RATINGS
- ATC: 25A x 2
DIMENSIONS
- L x W x H: 7”x 6.3”x 1.9” (179.5mm x 160mm x 48.3mm)
FEATURES
- Selectable X-over: Low Pass/Flat/High Pass
- Selectable Turn On Mode: REM/VOX/DC
- LED Power/Protect Light Indicator
- LED Clipping Indicator - Helps Set Gains
Product Manuals

Power Your Sound!
Discover the incredible performance of Cerwin Vega HED Series Amplifiers, engineered for maximum impact and clarity.
Demand More!
Designed for high-demand audio setups, Cerwin Vega HED Series Amplifiers provide significant power and superior sound quality.