JL Audio 4Ch JD Amplifier

The JL Audio JD400/4 is a high-performance 4-channel amplifier designed to deliver clean, powerful sound for upgraded speaker systems. With 400 watts of total RMS power, flexible crossover controls, and JL Audio's advanced amplifier technology, it is an excellent choice for powering aftermarket door speakers and component systems.

• 400 Watts of Total RMS Power – Delivers strong, clean power for upgraded full-range speakers and component systems.
• High-Power 4-Channel Design – Provides dedicated amplification for front and rear speakers or a complete component speaker system.
• Bridgeable Configuration – Allows channels to be bridged when additional power is needed for higher-powered speakers or other applications.
• Built-In Clipping Indicators – LED clipping indicators make setting amplifier gain easier and help achieve clean, distortion-free output.
• Flexible System Integration – Differential-balanced inputs accept both RCA and speaker-level signals for easy integration with factory or aftermarket radios.