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    Alpine KTP-445U Powerpack Amplifier
    Alpine KTP-445U Powerpack AmplifierAlpine KTP-445U Powerpack AmplifierAlpine KTP-445U Powerpack AmplifierAlpine KTP-445U Powerpack AmplifierAlpine KTP-445U Powerpack Amplifier

Alpine KTP-445U Powerpack Amplifier

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Alpine KTP-445U Powerpack Amplifier

The KTP-445U Universal Power Pack amplifies the head unit power output, resulting in up to a 150 percent power increase over the original power from the head unit’s built-in amplifier. Add higher output and more dynamic response with this easy-to-install head unit power upgrade.

Features

  • For aftermarket and factory installed systems
  • Compact size
  • 4-channel Amplifier
  • 45 Watts x 4 @ 4Ω/2Ω
  • 90 Watts x 2 @ 4Ω Bridged
  • Fuse: 15A

Specifications

Power Output

  • Per Channel, Ref: 14.4V, 4ohms, @ < 1% THD+N: 45W RMS x 4
  • Per Channel, Ref: 14.4V, 2ohms, @ < 1% THD+N: 45W RMS x 4

S/N Ratio

  • IHF A-wtd + AES-17, Ref: 1 W into 4 ohms: 82dB
  • IHF A-wtd + AES-17, Ref: Rated Power into 4 ohms: 98dB

Frequency Response

  • +0 / -3 dB, Ref: 1 W into 4 ohms 15Hz – 45kHz

Input Impedance

  • > 10k ohms

Input Sensitivity

  • Ref: Rated Power into 4 ohms, RCA Inputs: 0,2 – 4,0 V
  • Ref: Rated Power into 4 ohms, Speaker Level Inputs: 0,5 – 10,0 V

Crossover

  • Ch 1 / 2: Selectable HPF (-12 dB/oct.), defeatable: Off/60/80/120Hz
  • Ch 3 / 4: Selectable HPF (-12 dB/oct.), defeatable: Off/60/80/120Hz

Dimensions

  • Width: 189.0mm (7-7/16”)
  • Height: 38.2mm (1-1/2”)
  • Depth: 64.5mm (2-1/2”)
  • Weight: 0.8kg (1,5lbs)

Description

Product code: Alpine KTP-445U Powerpack Amplifier
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Alpine KTP-445U Powerpack Amplifier