Kicker KEY180.4, AutoEQ Smart Amplifier (45KEY1804)

Kicker KEY180.4, AutoEQ Smart Amplifier (45KEY1804)

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$249.95 $199.95
(You save $50.00)
Usually Ships In 24 Hours
0.00 LBS
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Don’t just make your system louder - make it clearer. Make it better… 

Press the selector, and the microphone goes to work. The KEY uses a powerful internal computer to deliver dramatic improvements in realism and soundstage. A massive 40-band equalizer improves tonality. A 24dB crossover re-defines the capabilities of each speaker. Time alignment delivers unheard realism.

The concert quality of your factory stereo is revealed! What would take hours for a professional to achieve happens in a matter of minutes. All automatically. All with the press of a single button. 

Start with these free test tones for easy setup!

General Features:

  • Key Smart Amplifier with Auto-EQ 
  • Power Output- RMS: 180 WATTS
  • Auto EQ Microphone With Selector Switch Included
  • Compatible with Start/Stop Vehicle Technology
  • FIT2™ Technology Included
  • Turn On Via Remote 12v Signal Or DC Offset
  • Auto 40-Band Equalizer 
  • Bi-Amp Capability (Defeatable) 
  • Auto Compressor (Defeatable)
  • Kicker EQ Preset (Defeatable)
  • Auto Time Alignment (Defeatable)
  • Auto Gain Adjustment 
  • Auto Speaker Size Detection 
  • 24dB Crossovers
  • 60/180/120Hz High Pass Filter (Defeatable)
  • Input Sensitivity: high level 250mV-10V
  • Signal-to-Noise Ratio: >90dB, a-weighted, re: rated power
  • Active Crossover: 24dB/octave, selective high pass or all pass @ 60,80, or 120Hz
  • Frequency Response (Hz): 20-20k, +0/-1dB
  • Dimensions (HxWxL): 1-11/16" x 2-3/4" x 7-3/8"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's Included in Box:

  • 1 - 4 Channel Power Amplifier
  • 1 - Microphone
  • 1 - Microphone Cable with Switch
  • 1 - Fuse Holder
  • 1 - Manual and Installation Hardware
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Returns Policy

You may return most new, unopened items within 60 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

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Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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