Alpine KTP-445U 4-Channel Power Pack Amplifier

Alpine KTP-445U 4-Channel Power Pack Amplifier 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. Features45 Watts x 4 @ 4Ω/2Ω90 Watts x 2 @ 4Ω BridgedFor aftermarket and factory installed systemsCompact size Overview CompactCompact 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. Choos