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KICKER 53KEY2004 KEY200.4 Smart 4-Channel Amplifier
Upgrade your factory or aftermarket audio system with the compact KICKER KEY200.4. This four-channel amplifier delivers 50 watts RMS per channel and uses built-in digital signal processing to automatically tune your system for improved clarity, balance, imaging, and overall sound quality.
Key Features
- 50 watts RMS × 4 channels at 4 ohms
- 200 watts total RMS power
- Automatic tuning using the included calibration microphone
- 40-band equalization, time alignment, and output-level adjustment
- Automatic speaker-size detection
- Compatible with factory and aftermarket radios
- FIT2 integration technology for challenging factory audio systems
- Selectable bi-amp mode
- Automatic compression and KICKER EQ preset
- Compatible with vehicle start-stop systems
- Compact Class-D design for flexible installation
Specifications Manufacturer KICKER Model / SKU 53KEY2004 Series KEY200.4 UPC 713034097082 Channels 4 RMS Output 50 watts × 4 at 4 ohms Minimum Impedance 4 ohms per channel Frequency Response 20 Hz–20 kHz, +0/−1 dB Signal-to-Noise Ratio Greater than 90 dB, A-weighted High-Level Input Sensitivity 250 mV–10 V Selectable High-Pass Filter Off, 60 Hz, 80 Hz, or 120 Hz Crossover Slope 24 dB per octave Amplifier Dimensions 7-3/8 × 2-3/4 × 1-11/16 inches What’s Included
- KICKER KEY200.4 four-channel amplifier
- Calibration microphone
- Microphone cable with selector switch
- Signal-input harness
- Power and speaker harness
- Fuse holder and 20-amp fuse
- Microphone headrest mount
- Installation hardware
- Manual and product documentation
Installation Notes
This is a universal 12-volt car-audio amplifier and is not vehicle-specific. It can be used with compatible factory or aftermarket radios in four-speaker or bi-amplified component systems. Speakers must be rated at 4 ohms or higher per channel.
Professional installation is recommended. Verify speaker impedance, wiring requirements, and available installation space before purchasing.
