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🔑 Key Features

• Kicker 47KEY200.4 compact 4-channel car amplifier with sound processor

• KEY Auto Setup customizes the audio signal for your vehicle

• 50 watts RMS x 4 at 4 ohms (200W), CTA-2006 compliant power

• Automatic adjustments including 40-band EQ, crossovers, and time alignment

• Class D amp technology with automatic limiter and clip lights

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🧩 Features

Amplifier Technology & Power
Class D amp technology. Automatic limiter with clip lights. CTA-2006 compliant. Minimum impedance of 4 ohms per channel. Non-bridgeable.

KEY Auto Setup & DSP
KEY Auto Setup customizes the signal for your vehicle. Automatic adjustments include 40-band EQ, 24 dB/octave crossover filters, and time alignment. Bi-Amp mode applies tweeter/woofer crossover settings during KEY Auto Setup. Pink noise test tones available from Kicker.com.

Inputs & Controls
Preamp and speaker-level inputs. DC offset sensing turn-on with speaker-level inputs. Radio-Detect circuit supplies speaker load for receiver to sense. Switchable auto compression. Selectable high-pass filters (off, 60, 80, 120 Hz; 24 dB/octave).

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📦 What’s in the Box

• 4-Channel amplifier

• 12" Input harness

• Loop wire w/ inline fuse holder

• 20-amp ATO 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

• 12" Power/ground/speaker output harness

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📏 Specifications

• Model: 47KEY200.4

• Item Type: 4-channel car amplifier/sound processor

• Power Output: 50 watts RMS x 4 at 4 ohms (200W)

• Amp Technology: Class D

• Minimum Impedance: 4 ohms per channel

• Fuse Rating: 20A x 1

• Recommended Power/Ground Leads: 12- or 10-gauge

• Dimensions: 7-3/8"W x 1-11/16"H x 2-3/4"D