RMS Power @ 14.4V 50W x 4 @ 4Ω
Output Channels 4
Voltage (V) 12
Class D
Features Built in Self Calibrating DSP
Fuse Rating (A) 20A
Cable Gauge (AWG) 14
Amp Turn-On DC Offset
Frequency Response (Hz) 20-20k
Signal-to-Noise Ratio (dB) 90
Filter High-Pass
Controller N/A
Input Channels 2
Input Type High Level
Low Level
Input Sensitivity Low Level N/A
Input Sensitivity High Level 250mV-10V
Height (cm) 4.3
Width (cm) 18.7
Depth (cm) 7
Brand Kicker Audio
EAN 713034013174


50W x 4 @ 4Ω – 14.4V
Not bridgeable

KEY200.4 Smart 4-Ch. Amplifier (auto-EQ/processor)

The biggest advance - in the smallest package. Introducing the KEY smart amplifier and audio processor in one, featuring AI-driven DSP

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.

For the KEY200.4 auto set-up, you will need to download the free test tone available HERE

- 200 Watts of Power (50x4)
- 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 Pre-set (Defeatable)
- Auto Time Alignment (Defeatable)
- Auto Level Adjustment (Bi-Amp Mode Only)
- Auto Speaker Size Detection
- 24dB Crossovers
- 60/80/120Hz High Pass Filter (Defeatable)

- Power (watts/ch), 4 Ohm stereo: 50 x 4
- Microphone/Kicker EQ button: Included
- Dimensions in CM (H x W x L): 4.3 x 7 x 18.7
- Frequency Response (Hz): 20-20k, +0/-1dB
- 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

What's in the Box?
4 channel power amplifier
Microphone cable with switch
Fuse holder
Manual and installation hardware

Acoustic Correction = Audio Perfection
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, and a 24dB crossover re-defines the capabilities of each speaker.

In addition to an unbelievable sound quality, the KEY200.4 delivers 200 watts of pumpin' power to your factory speakers. At KICKER, we know power and clarity always go hand-in-hand.

Hidden Treasure
Measuring less than eight inches long and only two inches high, the KEY200.4 fits nearly anywhere. Mount it behind your radio, under the seat, or in your boot with ease.

Start. Don't Stop.
The KEY200.4 is one of the first amps fully compatible with newer vehicles using start-stop systems. The amplifier also features FIT2™ (Fail-Safe Integration Technology), providing compatibility with nearly every stock and aftermarket radio on the road today.

Keep the Beat
If the temperature reaches the threshold, the KEY200.4's dynamic power-management algorithms kick into gear! Instead of hearing the amplifier's volume "pumping" or blowing a fuse - KEY technology engages a nearly inaudible limiter/compressor, applied only to the peaks of the music for as little as milliseconds at a time. The amplifier quickly cools, which deactivates the compressor. Music returns to its full dynamic range without a moment's interruption!

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