Description
Alpine KTP-445U
The KTP-445U is a compact and efficient 4-channel power supply amplifier designed for seamless integration with car audio systems. It delivers 45W RMS per channel at 4Ω, providing clear and balanced sound for a variety of speaker setups. Its advanced circuitry ensures low distortion and high signal fidelity, while the durable aluminum chassis offers enhanced heat dissipation. The amplifier includes selectable input sensitivity, variable high-pass and low-pass filters, and is compatible with remote bass controllers for easy customization of your audio experience.
Specifications
Features
| Feature | Details / Notes |
|---|---|
| Purpose | Amplifies both aftermarket and factory-installed head unit power output |
| Power Increase | Up to 150% over the original head unit amplifier |
| Power Output | 45W x 4 @ 4Ω/2Ω; 90W x 2 @ 4Ω bridged |
| Compatibility | Works with aftermarket and factory-installed systems |
| Size | Compact |
Tech Specs
| Spec | Value |
|---|---|
| CEA-2006 Power Rating | 45W x 4 @ 4Ω/2Ω |
| Bridged Power | 90W x 2 @ 4Ω |
About The Product
COMPACT
Compact size lets the KTP-445U fit where most amplifiers won’t. The KTP-445U comes equipped with the RCA and Auto-Sensing-Speaker level connectors and it fits behind the head unit in the dash of most vehicles. It’s small and compact at only 7-7/16” x 1-1/2” x 2-1/2”. The size and flexible wires make the Power Pack an easy choice to save space.
INDEPENDENT FILTERS FOR REAR & FRONT INPUTS
High-Pass selectable switches for Front & Rear allow frequency filtering for a wide variety of speakers. Choose from full range to selectable range: 60Hz, 80Hz or 120Hz to fine-tune your crossover points.
CONFIGURABLE INPUTS
Need configurable options for Speaker-Level or RCA inputs to the Power Pack? On the bottom panel of the Power Pack there are selectable input options to accommodate Speaker-Level (0.5V-10V) or RCA (0.2V – 4V) inputs. Selectable 2 Channel and 4 Channel options give you the control to determine source inputs, and can eliminate the need for Y-adapters.
ACCESSIBLE FRONT & REAR GAINS
The Power Pack provides simple variable gain controls on the end panel for flexibility and a wide variety of system applications.
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