Kicker 46KISLOAD4CH Smart Radio Load Resistor 25 Ohm 4-Channel Smart-Load 20v Upgrade your audio system without losing the factory radio functions! The Kicker K-Series Interface lets you add an aftermarket full-range amplifier to your smart radio, ensuring constant audio playback. This interface applies a 25 ohm load to four channels, preventing distortion and protecting against shutdown, all while handling up to 100 watts of RMS input. With a compact design and advanced thermal management, this is the perfect solution for enhancing your car's sound system. Features: • 4-Channel Smart Load Interface• Handles 20 Volts/100 Watts RMS Input• Applies 25 Ohm Load to Prevent Distortion or Shutdown• Maintains Factory Radio Functions• KICKER Computer-Designed Heatsink for Thermal Management• Molex-Style Locking Connectors• Compatible with High-Power OEM Audio Systems Wtih Open Circuit Protection