Description
Rockford Fosgate Power T1D415
The Rockford Fosgate T1D415 is a 15-inch dual 4-ohm Power T1 subwoofer designed for enthusiasts seeking powerful, deep, and accurate bass. Built with a reinforced cone, VAST surround technology, and dual voice coils, it provides maximum cone area for louder and more precise low-frequency output. With an impressive 1000W RMS and 2000W Peak power handling, this subwoofer is ideal for custom enclosures, SPL builds, and high-powered car audio systems. Its robust construction ensures long-term reliability even under extreme conditions, while its compatibility with both sealed and ported boxes allows flexibility in tuning for tight punchy bass or extended low-end performance. Perfect for daily drivers, competition setups, or upgrading factory systems, the T1D415 delivers consistent, high-quality bass that enhances every genre of music and transforms the listening experience.
Features
| Feature | Description |
|---|---|
| Subwoofer Size | 15″ (381 mm) |
| Frequency Response | 20 Hz – 250 Hz |
| Sensitivity | 89 dB @ 1W/1m |
| Impedance | 4 Ohms (dual voice coil) |
| Power Handling | 600W RMS / 1200W Peak |
| Cone Material | Injection-molded polypropylene |
| Surround Material | Santoprene (durable) |
| Voice Coil | 3″ (75 mm) dual-layer high-temperature |
| Design | Vented backplate for enhanced cooling |
| Included Accessories | Mounting hardware |
Specifications
| Feature | Details |
|---|---|
| Subwoofer Size | 15″ (381 mm) |
| Power Handling (RMS) | 600 watts |
| Power Handling (Peak) | 1200 watts |
| Frequency Response | 20 Hz – 250 Hz |
| Sensitivity | 89 dB @ 1W/1m |
| Impedance | 4 Ohms (dual voice coil) |
| Cone Material | Injection-molded polypropylene |
| Surround Material | Santoprene |
| Voice Coil | 3″ (75 mm) dual-layer high-temp |
| Design | Vented backplate for cooling |
























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