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Alpine - 400W Class D Bridgeable Multichannel Amplifier with Built-In Crossover - Black

Model: KTA-450
SKU: 12499590
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About this product

Enhance your audio system with this Alpine Power Pack 4-channel car amp. The Dynamic Peak Power technology doubles the amplifier's output power on musical peaks by providing a quick energy boost when needed. This Alpine Power Pack 4-channel car amp delivers 50 watts RMS per channel for maximum output, and the tiny chassis ensures it fits anywhere in your vehicle.

Features
  • 200W total power

    RMS rating of 45W x 4 @ 2 ohms and 45W x 4 @ 4 ohms, 4 channels driven for robust audio.

  • Selectable high-pass filters on front and rear channels

    Ensures flexible operation.

  • 4 ohms impedance

    Conducts power evenly to keep the speaker at an appropriate level.

  • 1% THD (Total Harmonic Distortion)

    Provides clean sound.

  • 82dB signal-to-noise ratio

    Offers crisp audio.

  • 4-channel output

    Allows easy system expansion.

  • Class D circuitry

    Ensures reliable power handling.

  • Create Alpine's PowerStack application

    You can mount iLX-W650 receiver using a simple swipe interface with an ultra-shallow chassis to your power pack amplifier to create Alpine's PowerStack application.

See all features
Specifications
  • Continuous Watts x Channel @ Ohms
    50 Watts x 4 @ 4 Ohm; 45 Watts x 4 @ 2 Ohm; 100 Watts x 2 bridged @ 4 Ohm
    Maximum Watts x Channel @ Ohms
    100 Watts x 4
    Amplifier Class
    D
    Number Of Channels
    4
    Bass Boost
    None
    Bridgeable
    Yes
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Reviews

Rating 4.4 out of 5 stars with 21 reviews

5 star rating. 18 reviews1 star rating. 3 reviews
86% would recommend to a friend

Top Mentions

  • Sound Quality (12)
  • Power (7)
  • Ease of Installation (3)

Customer Images

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

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Pros for Alpine - 400W Class D Bridgeable Multichannel Amplifier with Built-In Crossover - Black
Sound Quality, Power, Ease of InstallationSound QualityThere were no pros for this productThere were no pros for this product

Specs

Questions & Answers
  • What is the signal-to-noise ratio of this amplifier?

    This amplifier has a signal-to-noise ratio of 82dB.

    This question and answer was generated by AI based on customer and product data.
  • What is the THD of this amplifier?

    This amplifier has a THD (Total Harmonic Distortion) of 1%, which ensures clean sound.

    This question and answer was generated by AI based on customer and product data.
  • Does this amplifier have a high-pass filter?

    Yes, this amplifier has selectable high-pass filters on the front and rear channels.

    This question and answer was generated by AI based on customer and product data.
  • What is the total power output of this Alpine car amplifier?

    This Alpine car amplifier provides a total power output of 200W RMS.

    This question and answer was generated by AI based on customer and product data.
  • How many channels does this amplifier have?

    This amplifier has 4 channels.

    This question and answer was generated by AI based on customer and product data.
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