Description
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)
