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Kicker

Kicker 47KEY2004 4-Channel Car Amplifier with Automatic Tuning DSP — 50W RMS x 4

$449.95
$499.95
10% Off
SKU: 47KEY2004
UPC: 713034013174
Condition: New
Availability: Usually Ships in 1-2 Days
Shipping: Calculated at Checkout
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Descriptions

About: Kicker 47KEY2004 4-Channel Car Amplifier with Automatic Tuning DSP  — 50W RMS x 4

Now you can get fantastic, high-fidelity sound without shelling out a lot of money for complicated gear or spending too much time tuning the system after installation. Kicker's KEY200.4 compact car amplifier features automatic signal processing that tailors the sound for your specific vehicle's interior space. This 4-channel compact power pack will send 50 watts RMS to each of your front and rear speakers — way more more than twice the power of a typical aftermarket receiver, three or four times the power of a typical factory radio.

A Better Sound. Automatically.

The KEY200.4 Smart Amplifier uses AI-driven DSP to dramatically improve the quality of your audio in a matter of minutes. Press one button and you’re done!

Little Amp. Big Difference.

Measuring less than eight inches long and only two inches high, KEY amps fit nearly anywhere. Mount them behind your radio, under the seat, or in your trunk with ease.

Ready for Your Ride

KEY amplifiers are fully compatible with nearly every stock and aftermarket radio on the road today, including newer vehicles equipped with start-stop systems.

Packed With Power

KEY Smart Amps deliver more than enough juice to rock your ride. With 500 watts RMS to your subs (from the KEY500.1) and 50 watts per channel to the door speakers (from the KEY200.4), the KEY family of amplifiers deliver the sound you’ve been looking for.

The Ideal Integration Solution

The revolutionary KEYLOC® automatically detects the frequency range of your speaker leads, with no oscilloscope or RTA. It’s every installers’ go-to solution!

Specifications: 

  • 4-channel car amplifier/sound processor
  • 50 watts RMS x 4 at 4 ohms
  • CTA-2006 compliant
  • non-bridgeable — minimum impedance of 4 ohms per channel
  • Class D amp technology
  • KEY Auto Setup customizes the signal for your vehicle
    • calibration mic and activation button included
    • pink noise test tones available 
    • automatic adjustments include 40-band EQ, 24 dB/octave crossover filters, time alignment
  • Bi-Amp mode applies tweeter/woofer crossover settings during KEY Auto Setup
  • Selectable high-pass filters (off, 60, 80, 120 Hz; 24 dB/octave)
  • Switchable auto compression
  • Automatic limiter with clip lights
  • Preamp and speaker-level inputs
    • DC offset sensing turn-on with speaker-level inputs
  • Radio-Detect circuit supplies speaker load for receiver to sense
  • Wiring and hardware not included with amplifier 
  • Fuse rating: 20A x 1
  • Dimensions: 7-3/8"W x 1-11/16"H x 2-3/4"D

What's in the Box:

  • 4-Channel amplifier
  • 12" Power/ground/speaker output harness
  • 12" Input harness
  • Loop wire w/ inline fuse holder (20A fuse installed)
  • Calibration microphone w/ attached 11.5' cable and inline Activation button (cable terminated in a 3.5mm TRS plug)
  • 16" Rubber microphone strap
  • Two 12" wire ties
  • Four 1" screws
  • Quickstart guide

Most products include a limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use. Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside manufacturer specifications. For complete warranty terms, exclusions, and claim procedures, please visit our full Warranty Policy page.

Most products include a limited one year manufacturer’s warranty covering defects in materials and workmanship under normal use. Warranty coverage does not apply to improper installation, misuse, or damage caused by operation outside manufacturer specifications. For complete warranty terms, exclusions, and claim procedures, please visit our full Warranty Policy page.

Fast shipping across Canada from our Toronto warehouse. Most orders ship within 1–2 business days. Shipping costs and delivery estimates are calculated at checkout. Returns are accepted on eligible items that are unused and in original packaging within our return period. For full details, please view our Shipping Policy and Returns & Exchanges Policy.

Please note that final sale, clearance, open-box, and refurbished items are not eligible for returns or refunds. These items may only be covered under their respective warranty or exchange terms where applicable. For full details regarding open-box items, please review our Open Box Policy.

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