Plug it in, tune it automatically, and hear the difference instantly. Smart amplifier with automatic sound tuning.
Kicker KEY200.4 uses built-in DSP to instantly improve your sound system.

🧠 Smart Sound Upgrade – No Tuning Needed

The Kicker 47KEY2004 Smart Amplifier is not just an amp — it’s a built-in audio processor with AI-driven tuning.

Using the included microphone, it automatically tunes your system for optimal sound, giving you clearer vocals, better balance, and improved bass — all in minutes.

🔧 Key Features

✔ 4-channel smart amplifier (50W x 4)
✔ Built-in DSP (Digital Signal Processing)
✔ Auto tuning with included microphone
✔ 40-band automatic equalizer
✔ Auto time alignment
✔ Auto speaker detection
✔ FIT2™ technology (works with factory radios)
✔ Start-stop vehicle compatible

💎 Performance Benefits

👉 Delivers:

• Cleaner, clearer sound

• Better balance between speakers

• Improved bass response

👉 Automatically:
💥 Tunes your system
💥 Adjusts EQ
💥 Aligns sound timing

👉 Result:
✔ Professional sound without manual tuning

🔊 Power Output

✔ 50W x 4 @ 4 Ohm

💥 Perfect for:

• Door speakers

• Full-range upgrades

🧠 Smart DSP Features (THIS IS THE SELLING POINT)

✔ Auto EQ (40-band tuning)
✔ Auto time alignment
✔ Auto level adjustment
✔ Built-in crossover controls
✔ Optional bi-amp mode

💥 This is what makes it DIFFERENT from normal amps

🚗 Perfect For

✔ Factory radio upgrades
✔ Customers who want better sound without complexity
✔ Small / hidden installs
✔ Daily driver sound improvements

📏 Compact Design

✔ Ultra-small size
✔ Fits behind radio / under seat
✔ Easy to hide

📦 What’s Included

✔ 4-channel amplifier
✔ Auto-tuning microphone
✔ Microphone cable with switch
✔ Fuse holder
✔ Installation hardware

⚠️ Important Information

❗ Wiring kit required
❗ Designed mainly for speaker upgrades (not heavy sub use)
❗ Best results after running auto setup