Cerwin Vega H400.2D HED Series 2-Channel 400W Full-Range Class D Amplifier (H4002D)

Cerwin Vega H400.2D HED Series 2-Channel 400W Full-Range Class D Amplifier (H4002D)

The Cerwin Vega H400.2D HED Series 2-Channel Full-Range Class D Amplifier is engineered to deliver clean sound, reliable power, and exceptional efficiency in a compact design. Built with high-efficiency Class D amplifier technology and a lightweight aluminum chassis, it brings the legendary Cerwin Vega sound experience to custom or factory audio upgrades where space, power consumption, and heat management are critical.

High-Efficiency Power for Modern Car Audio Systems

The H400.2D uses high-efficiency Class D amplifier technology to deliver strong, distortion-free power while generating less heat than traditional amplifier designs. This advanced digital topology maximizes output while maintaining excellent efficiency, making it an ideal choice for modern car audio systems.

• 2-channel full-range Class D car amplifier
• 80W x 2 RMS at 4Ω
• 125W x 2 RMS at 2Ω
• 290W x 1 bridged at 4Ω
• THD: <0.3%
• S/N Ratio (A weighted @1W): >90dB

Compact Build with Stable Thermal Performance

Designed for high performance without sacrificing space, the Cerwin Vega H400.2D features a lightweight aluminum chassis that acts as an efficient heat sink. That design helps maintain stable operating temperatures even during extended listening sessions at higher volume levels.

• Lightweight aluminum chassis
• Efficient heat sink design
• Dimensions: 9” x 6.3” x 1.9”
• Weight: 3.7 lb

Flexible System Configuration

The versatile 2-channel configuration allows for multiple system setups. It can power a pair of component or coaxial speakers with precision and clarity, or the channels can be bridged to deliver increased power to a subwoofer, making it a flexible solution for entry-level upgrades and advanced car audio installations.

• Bridgeable design
• Ideal for powering speakers or small subwoofer systems
• Selectable X-over: Low Pass / Flat / High Pass
• High Pass: 50Hz-500Hz
• Variable Low-Pass: 50Hz-500Hz

Precision Controls and Everyday Reliability

Built with durability in mind, the Cerwin Vega H400.2D combines durable construction, high-quality internal components, and precision engineering for dependable performance. It also includes practical setup features that support installation flexibility and help optimize system performance.

• Selectable Turn On Mode: REM / VOX / DC
• LED Power/Protect Light Indicator
• LED Clipping Indicator - Helps Set Gains
• Damping Factor (50Hz @ 4Ω): >100
• Bandwidth (-3dB): 20Hz-30KHz

---

FAQs

1. Can this amplifier power speakers and a subwoofer? Yes. It can power a pair of component or coaxial speakers, or the channels can be bridged to deliver increased power to a subwoofer.
2. How does the Cerwin Vega H400.2D manage heat during extended listening sessions? It uses a lightweight aluminum chassis that acts as an efficient heat sink to help maintain stable operating temperatures during extended listening sessions at higher volume levels.
3. What crossover options are featured? It features selectable HP/Flat/LP modes with adjustable high-pass and variable low-pass filtering from 50Hz to 500Hz.
4. What turn-on modes are available? The Cerwin Vega H400.2D includes selectable turn-on modes: REM, VOX, and DC.