Cerwin Vega H7124D (1400W Max/250W RMS) 12" HED Series Dual Voice Coil Car Subwoofer (4Ω)

Cerwin Vega H7124D

Take your car audio system to the next level with the Cerwin-Vega H7124D 12-inch HED Series Dual Voice Coil (DVC) Subwoofer, engineered for deep bass, high power handling, and flexible system design. Built for enthusiasts who demand strong low-frequency performance, this 12” 4-ohm DVC subwoofer delivers the legendary Cerwin-Vega sound with precision and impact.

The H7124D features a dual 4-ohm voice coil configuration, allowing for multiple wiring options to match a variety of amplifiers. This flexibility makes it easy to optimize your system’s impedance for maximum efficiency and output, whether you're building a custom setup or upgrading an existing audio system.

Designed with advanced engineering and premium materials, the HED Series subwoofer is built to handle high power levels while maintaining low distortion and consistent performance. Its high-excursion design allows for greater cone movement, producing deep, powerful bass with excellent low-frequency extension. The result is tight, responsive bass that enhances every listening experience—from everyday driving to high-output applications.

Durability is a hallmark of the Cerwin-Vega H7124D. Featuring a robust motor structure and reinforced cone, this subwoofer is designed to withstand demanding conditions and extended use. It performs reliably at high volumes while maintaining clarity and control.

The H7124D is compatible with both sealed and vented enclosures, giving you the flexibility to fine-tune your system. Choose a sealed enclosure for accurate, tight bass or a vented enclosure for louder, more aggressive output.

Features:

• 12" HED Series Dual Voice Coil Car Subwoofer
• Power Handling:
  • Peak: 1400 Watts
  • RMS: 250 Watts
• Cone Material : Polypropylene
• Basket Material : Stamped Steel
• Magnet Type : Ferrite (Ceramic)
• Surround Material : Treated Foam
• Number of Voice Coils : Dual
• Impedance (Per Coil) : 4 Ohms
• Thiele/small Parameters
• Sensitivity (1W/1M) : 87 dB
• Re (Ω)[Series] : 2 or 8
• Mechanical Q Value (Qms) : 9.7
• Electrical Q Value (Qes) : 0.67
• Total Speaker Q Value (Qts) : 0.63
• Free-Air Resonance (Fs) : 27 Hz
• Equivalent Compliance (Vas) : 87 Liters
• Xmax (mm) : 8 mm
• Diameter : 12.7" (322.6mm)
• Mounting Diameter : 10.82" (259.0mm)
• Mounting Depth : 5.35" (135.9mm)
• Magnet Diameter : 6.5" (165.1mm)