KICKER KEY200.4. - 4 Channel Amplifier (auto-EQ/processor) - 200 RMS

The KICKER KEY200.4 is a compact 4-channel car amplifier with built-in DSP, designed to dramatically improve factory audio systems through automatic acoustic correction. Rather than simply increasing volume, the KEY200.4 delivers clearer sound, improved tonal balance, and a wider, more realistic soundstage — all with the press of a button.

Using the included calibration microphone, the amplifier analyses your vehicle’s acoustics and applies a 40-band automatic equaliser, time alignment, and speaker optimisation in just minutes. What normally requires hours of professional tuning is completed automatically, making the KEY200.4 ideal for OEM audio upgrades.

Powerful 4-Channel Amplifier for Factory Systems

The KEY200.4 delivers 200 watts of clean power (50W × 4), giving factory speakers the headroom they need for improved clarity, punch, and dynamic range. KICKER’s efficient amplifier design ensures powerful output without excessive heat, making it suitable for modern vehicles with limited installation space.

Compact, Hidden Installation

With a low-profile chassis measuring under eight inches long and just two inches high, the KEY200.4 is easy to conceal behind the head unit, under a seat, or in the boot. Its compact design makes it one of the most versatile DSP amplifiers for factory audio upgrades.

Compatible with Start-Stop Vehicles & OEM Head Units

Designed for modern vehicles, the KEY200.4 is fully compatible with start-stop technology and includes FIT2™ Fail-Safe Integration Technology, ensuring reliable operation with almost any factory or aftermarket radio. Turn-on is supported via remote 12V signal or DC offset, simplifying installation.

Intelligent Thermal & Power Management

Advanced power-management algorithms protect the amplifier under high temperatures by applying a near-inaudible limiter only to musical peaks. Once cooled, full output is instantly restored — maintaining sound quality without interruptions or blown fuses.

Specifications

• 200W total power (50W × 4)
• 4-channel car amplifier with integrated DSP
• Automatic 40-band EQ with included calibration microphone
• Automatic time alignment and speaker size detection
• Bi-amp capability (defeatable)
• 24dB crossovers with selectable 60 / 80 / 120 Hz high-pass filters
• Automatic compressor and EQ presets (defeatable)
• Compatible with start-stop vehicle technology
• FIT2™ OEM integration technology
• Remote 12V or DC offset turn-on
• Compact, hidden-mount design