U.S. Amps S12 Slim Line Subwoofer
Original price was: $628.99.$528.99Current price is: $528.99.
U.S. Amps S12 Slim Line Subwoofer – 400W RMS/800W MAX
The U.S. Amps S12 Slim Line Subwoofer is built for installs where space is tight but output still matters. This 12-inch shallow mount sub delivers strong, controlled low-end without the need for a large enclosure.
Designed with a dual voice coil configuration and efficient motor structure, the S12 gives you flexible wiring options and reliable power handling. It’s tuned to deliver clean bass response while still hitting hard when you need it.
Perfect for trucks, under-seat setups, or stealth builds, the S12 brings real subwoofer performance into places most 12s simply won’t fit.
US Amps S12 Slim Line Subwoofer – Specifications
- Model: US Amps S12
- Size: 12 inch
- Voice Coil Configuration: Dual Voice Coil
- Nominal Impedance: 4Ω + 4Ω or 2Ω + 2Ω
- RMS Power Handling: 400W
- Max Power: 800W
- Max SPL: 86 dB
- Frequency Response: 37Hz – 3kHz
- Voice Coil Diameter: 2.0 inches
- Magnet Size: 5.5 inches (140mm ferrite)
- Overall Diameter: 12.4 inches
- Net Weight: 10.8 lbs
- Color: Black
Description
U.S. Amps S12 Slim Line Subwoofer – 400W RMS/800W MAX
The U.S. Amps S12 Slim Line Subwoofer is built for real-world installs where space is limited but performance still matters. This is not your typical shallow sub. It’s engineered to deliver tight, controlled low-end with the kind of output you expect from a full-size driver.
| Specification | Details |
| Nominal Diameter | 12 inch |
| DC Resistance (Re) | 2 Ω |
| BL Factor | 20.31 |
| Moving Mass (Mms) | 0.305 lbs |
| Total Q (Qts) | 0.14 |
| Mechanical Q (Qms) | 3.34 |
| Electrical Q (Qes) | 0.15 |
| Compliance (Cms) | 0.0000073 in/N (approx) |
| Equivalent Volume (Vas) | 0.265 ft³ |
| Resonance (Fs) | 37.06 Hz |
| Cone Area (Sd) | 31 in² |
| Efficiency (η0) | 0.23 |
| Specification | Details |
| Nominal Diameter | 12 inch |
| Nominal Impedance | 4Ω + 4Ω |
| RMS (AES) Power | 400W |
| Max Power | 800W |
| Sensitivity | 86 dB |
| Frequency Range | 37 Hz – 3 kHz |
| Voice Coil Diameter | 2.0 inch |
| Winding Material | 4-layer aluminum (EISV) |
| Former Material | ASV |
| Winding Depth | 0.70 inch |
| Magnetic Gap Depth | 0.31 inch |
| Surround Material | Foam |
| Surround Design | U-shape |
| Magnet | Ferrite (5.5″ x 2.36″ x 0.79″) |
| Specification | Details |
| Overall Diameter | 12.4 inch |
| Bolt Circle Diameter | 11.65 inch (8 holes) |
| Cutout Diameter | 11.0 inch |
| Mounting Depth | 4.21 inch |
| Net Weight | 10.8 lbs |
| Shipping Weight | 12.35 lbs |
| Box Size | 14.4″ x 14.4″ x 5.3″ |




