# General features: 12" subwoofer with dual 4-ohm voice coils Kevlar reinforced pulp cone with HAMRS Santoprene rubber surround frequency response: 24-200 Hz power handling: 300-1,000 watts RMS (500 watts per coil) peak power: 3,000 watts sensitivity: 84.9 dB top-mount depth: 6-3/8" sealed box volume: 0.75-1.00 cu. ft. ported box volume: 1.25-1.50 cu. ft.

**Manufacturer:** Alpine  
**MPN:** `swr-12d4`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Alpine |
| Manufacturer name | Alpine |
| Manufacturer | Alpine |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Walmart | 48453668 | 139.99 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/87000000/87300500/part_--swr12d4---Alpine--012ea4c277.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp