We are a Alpine authorized dealer so you get up-to-date, fully warrantied products.
What's Inside?
• Head Unit Power Pack (15A fuse installed)
• 39" Amp-to-receiver harness (male 16-pin connector on each end)
• 31" Amp-to-vehicle harness (male 16-pin connector on one end and a female 16-pin connector on other end)
• (2) Brackets
• (4) Screws
• (4) Wire-ties
• Installation Diagram
• Online Product Registration
• Limited Warranty Information
COMPACT
Compact size lets the KTP-445A fit where most amplifiers won’t. The KTP-445A comes equipped with direct plug-in connectors for select 2005 and newer Alpine head units and it fits behind the dash of most vehicles. It's small and compact at only 7-7/16” x 1-1/2” x 2-1/2”. Its size and flexible wires make the Power Pack an easy choice to save space.
BEST SIGNAL-TO-NOISE CONTENDER IN ITS CLASS
In order to ensure that Alpine sound quality is heard, we’ve created a platform that offers an unbelievably low noise floor, taking extra care to ensure a clean signal path, with no extraneous interference. The end result: The Power Pack boasts 1 Watt Signal-to-Noise Ratio of 82dB or better.
TOTAL HARMONIC DISTORTION (THD+N) VS. FREQUENCY
Uniquely, the Power Pack distortion actually decreases at higher frequencies, resulting in a clean and clear signal where your ear is most sensitive to distortion.
| Brand | Alpine |
| RMS Power Output (Watts x Channels) | 45 x 4 |
| Peak Power Output (Watts x Channels) | 90 x 4 |
| Power at 2 Ohms (Watts x Channels) | N/A |
| Bridged Power (Watts x Channels) | N/A |
| Best Frequency Response | 20-20k Hz |
| THD at Rated RMS Power | 0.01 |
| Signal to Noise Ratio | 84 dB |
| Input Voltage | 14.4v |
| Minimum Impedance Bridged | N/A |
| Minimum Impedance Unbridged | 2 |
| Minimum Impedance | 2 |
| Amplifier Class | D |
| Low-Pass Crossover Frequency | N/A |
| Low-Pass Slope (dB/octave) | N/A |
| High-Pass Crossover Frequency | N/A |
| High-Pass Slope (dB/octave) | N/A |
| Bass Boost | No |
| Bass Boost Frequency | N/A |
| Fan Cooled | No |
| Fuse Rating | 15 |
| Speaker Level Inputs | Yes |
| Preamp Outputs | No |
| Width (inches) | 7 7/8" |
| Height (inches) | 1 1/2" |
| Depth (inches) | 2 9/16" |
| Parts Warranty | 1 Year |
| Labor Warranty | 1 Year |
