This is a user manual for a portable 4-channel DSP amplifier, which introduces the product's features, installation methods, and usage instructions.
The Kicker KEY200.4 is a 4-channel DSP amplifier designed to improve vehicle audio systems through automatic calibration. It features digital circuitry for gain-matching, frequency crossover control, AutoEQ, compression, limiting, and time delay to tune the system to audiophile performance.
| RMS Power | 50W x 4 |
|---|---|
| Length | 7-3/8 in (18.7 cm) |
| Height | 1-11/16 in (4.3 cm) |
| Width | 2-3/4 in (7 cm) |
| Frequency Response | 20Hz–20kHz |
| Signal-to-Noise Ratio | >90dB |
| Input Sensitivity | 250mV–10V |
The KEY series offers two modes: +12V remote turn-on from the source unit or DC Offset mode which detects a 3V DC offset on speaker wires.
The amplifier requires a minimum impedance of 4 ohms per channel for both standard and bi-amp wiring.
Connect woofers to the rear (AMP 2) channels and tweeters to the front (AMP 1) channels, ensuring the Bi-Amp switch is ON.