Description
Rockford Fosgate HD9813RGU-STAGE2
The Rockford Fosgate HD9813RGU-STAGE2 is a high-performance 9.8-inch subwoofer designed for Stage 2 car audio systems. Engineered to provide deep, powerful bass with clarity and minimal distortion, it features a high-excursion cone, reinforced surround, and a high-temperature voice coil for long-lasting performance. The cast-aluminum basket ensures structural integrity, making it suitable for both custom and professional car audio installations. Ideal for audiophiles seeking impactful, clean bass, the HD9813RGU-STAGE2 enhances low-frequency response and elevates overall system performance for an immersive listening experience.
Key Features
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9.8-inch high-performance subwoofer for deep, clean bass
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High-excursion cone with reinforced surround for durability
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High-temperature voice coil for reliable long-term performance
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Cast-aluminum basket ensures structural strength
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Designed for minimal distortion and maximum output
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Perfect for Stage 2 car audio systems and custom setups
Specifications
| FEATURE | DETAILS |
|---|---|
| Brand | Rockford Fosgate |
| Model | HD9813RGU-STAGE2 |
| Type | 9.8-inch Subwoofer |
| Power Handling (RMS) | 400 W |
| Peak Power | 800 W |
| Impedance | 2Ω / 4Ω dual voice coil |
| Frequency Response | 25 Hz – 500 Hz |
| Sensitivity | 85 dB |
| Cone Material | Reinforced polypropylene |
| Surround | Santoprene high-excursion |
| Basket | Cast aluminum |
| Voice Coil | High-temperature, dual-layer |
| Mounting Depth | 6.5″ |
| Dimensions | 9.8″ diameter |



















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