# Alpine KTP-445U | Universal 4-Channel Head Unit Power Pack

**Manufacturer:** Alpine  
**MPN:** `KTP445U`

The Alpine KTP-445U Universal Power Pack Amplifier is a compact, easy-to-install upgrade that amplifies the power output of both aftermarket and factory-installed head units. It provides a 150 percent power increase over the original power, with RMS power handling of 90 watts @ 4 ohms and 45 watts @ 2 ohms. The Class D amplifier features a frequency response of 20-20,000 Hz, and is equipped with RCA and Auto-Sensing-Speaker level connectors. Its compact size makes it suitable for installation behind the head unit in most vehicles.

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Alpine |
| Manufacturer name | Alpine |
| Manufacturer | Alpine |
| KnownMan | Alpine KTP-445U \| Universal 4-Channel Head Unit Power Pack |
| Extra Product Name | Alpine KTP-445U \| Universal 4-Channel Head Unit Power Pack |
| moq | 1 |
| MPN | KTP445U |
| multiple | 1 |
| qtyInStock | -2 |
| SKU | KTP445U |
| tierMinQty1 | 1 |
| tierPrice1 | 189.95 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| sonicelectronix.com | KTP445U | 189.95 | 1 | None | 1 |
| Custom Sounds | KTP445U |  |  | None | 1 |

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Structured data: `/python/html6/product/500/3000000/3325500/part_--KTP445U---Alpine--3e85a035b7.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp