Kenwood eXcelon XR401-4 4-Channel Class D Car Audio Amplifier400W

Kenwood eXcelon XR401-4 is a compact, high-performance 4-channel Class D amplifier designed for sound quality–focused systems that demand clean power, efficiency, and installation flexibility. As part of the eXcelon Reference lineup, it delivers stable, low-distortion output that dramatically improves clarity, dynamics, and control over factory or head-unit power.

Key Features

• eXcelon Reference Series 4-channel Class D amplifier
• 50 watts RMS x 4 @ 4 ohms
• 75 watts RMS x 4 @ 2 ohms
• 150 watts RMS x 2 bridged @ 4 ohms
• Ultra-compact chassis for space-limited installs
• Built-in high-pass and low-pass crossovers
• Selectable input sensitivity for factory or aftermarket radios
• Signal-sensing turn-on capability (vehicle dependent)
• eXcelon-grade components for improved reliability and sound quality

Performance

The XR401-4 is engineered for clean, controlled output with minimal heat and current draw. Its Class D topology allows it to be mounted under seats or behind panels while maintaining consistent performance, making it ideal for modern vehicles with limited space.

Designed to pair perfectly with eXcelon speakers and DSP-equipped systems, this amplifier provides tight midbass, improved transient response, and better overall speaker control. When bridged, it can also serve as a compact solution for powering mids or a small subwoofer in high-quality builds.

This amplifier is an excellent choice for customers who want reference-level sound quality in a discreet, OEM-style installation.

Technical Specifications

Ideal Applications

• High-quality front and rear speaker amplification
• OEM-integrated systems using factory or DSP sources
• Under-seat or hidden amplifier installations
• Reference-level sound quality builds with limited space

What’s Included

• Kenwood eXcelon XR401-4 4-channel amplifier
• Mounting hardware
• User manual and documentation

Why Buy From MCOR Automotive

• Authorized Kenwood eXcelon dealer
• 22+ years of real-world car audio system design and installation experience
• Expert guidance on system matching, wiring, and tuning
• Trusted source for OEM-fit, performance-driven audio upgrades