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For the 2020 holiday season, returnable items shipped between October 1 and December 31 can be returned until January 31, 2021. You may be charged a restocking fee up to 50% of item's price for used or damaged returns and up to 100% for materially different item.
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  • COVERAGE: Plan starts on the date of purchase. Malfunctions covered after the manufacturer's warranty. Power surges covered from day one.
  • EXPERT TECH HELP: Real experts available 24/7 to help with set-up, connectivity issues, troubleshooting and much more.
  • PRODUCT ELIGIBILITY: Plans cover products purchased in the last 30 days.
  • EASY CLAIMS PROCESS: File a claim anytime online or by phone. Most claims approved within minutes. If we can’t repair it, we’ll send you an Amazon e-gift card for the purchase price of your covered product or replace it.

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Alpine KTP-445U Universal Power Pack Amplifier

4.5 out of 5 stars 31 ratings

Price: $189.95 & FREE Shipping
  • Compact Class D amplifier for factory and aftermarket receivers
  • Universal plug lets you send signal from RCA outputs or speaker-level wiring
  • Runs off same power circuit as receiver.
New (6) from $189.95 + FREE Shipping

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Price $189.95 $199.99 $164.85 $149.95 $109.95 $199.99
Sold By AVLeaderz CACHÉ stereoware Sonic Electronix, Inc DiscountCentralOnline Sound of Tri-State Inc
Color black black black black Black & Silver BLACK
Item Dimensions 12.99 x 9.06 x 4.33 inches 12.99 x 9.06 x 4.33 inches 9.25 x 7.50 x 3.25 inches 10.20 x 4.20 x 10.00 inches 7.50 x 3.88 x 1.50 inches 8.50 x 6.70 x 1.90 inches

Product description

Powerful things do come in small packages!Add higher output and more dynamic response with this easy-to-install Universal Power Pack upgrade. The KTP-445U Universal Power Pack amplifies both an aftermarket or factory installed head unit power output, resulting up to a 150 percent power increase over the original power from the head unit's built-in amplifier.Overview45 Watts x 4 @ 4Ω/2Ω90 Watts x 2 @ 4Ω BridgedFor aftermarket and factory installed systemsCompact sizeEasy Installation and FlexibilityCompactCompact 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 InputsHigh-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 InputsNeed 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 GainsThe Power Pack provides simple variable gain controls on the end panel for flexibility and a wide variety of system applications.Best Signal-to-Noise Contender In Its ClassIn order to ensure that Alpine sound quality is heard at your ears, 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.


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4.5 out of 5 stars
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