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Alpine KTA-30FW Tough Power Pack Compact All-weather 4-channel Amplifier * 75 Watts RMS X 4

Alpine KTA-30FW Tough Power Pack Compact All-weather 4-channel Amplifier * 75 Watts RMS X 4


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Big Power small package. Alpine’s Power Pack 2.0 is here! In a small package, the Alpine KTA-450 Power Pack Amplifier uses Alpine’s patented DPP technology. Seamlessly add one of these amps to an Alpine Double DIN short chassis radio by attaching it to the back of it.

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sku: KTA-30FW

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Key Features:

  • compact 4-channel amplifier
  • 75 watts RMS x 4 at 2 or 4 ohms
  • 150 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)
  • CEA 2006 compliant
  • Dynamic Peak Power (DPP) technology adds a burst of power when needed
  • weather-resistant (IP66 rated) chassis and waterproof connector
  • high- and low-pass filters (50-400 Hz, 12 dB/octave)
  • selectable 2- or 4-channel input
  • in-line noise filter on red power wire
  • wiring, hardware, and fuse not included with amplifier
    • 10-gauge power and ground leads and a 30A fuse recommended
  • dimensions: 9-3/16″W x 1-5/8″H x 3-3/4″D
  • warranty: 1 year

Features & specs

RMS Power Output (Watts x Channels) 75 x 4
Peak Power Output (Watts x Channels) 150 x 4
Power at 2 Ohms (Watts x Channels) 75 x 4
Bridged Power (Watts x Channels)
Minimum Impedance Bridged 4
Minimum Impedance Unbridged 2
Minimum Impedance 2
Best Frequency Response 15-36k Hz
THD at Rated RMS Power 1%
Signal to Noise Ratio 82 dB
Input Voltage 14.4v
Amplifier Class D
Low-Pass Crossover Frequency 50-400 Hz
Low-Pass Slope (dB/octave) 12 dB/octave
High-Pass Crossover Frequency 50-400 Hz
High-Pass Slope (dB/octave) 12 dB/octave
Bass Boost No
Bass Boost Frequency N/A
Fan Cooled No
Fuse Rating 30
Speaker Level Inputs RCA
Preamp Outputs No
Width (inches) 9-3/16
Height (inches) 1-5/8
Depth (inches) 3-13/16
Parts Warranty 1 Year
Labor Warranty 1 Year


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Additional information

Amplifier Class

Bass Knob

Sold Separate



4 Channel

Minimum Impedance (ohms)

2 Ohms

Compact Design

Power: RMS Per Channel