Kenwood eXcelon XR401-4 400-Watt Compact 4-Channel Class D Car Amplifier

The Kenwood eXcelon XR401-4 is a compact 4-channel Class D amplifier built for buyers who want real full-range power without giving up installation flexibility. Its low-profile chassis makes it easier to fit in tighter vehicle spaces while still delivering clean output for front and rear speakers, or a bridged setup when the system calls for it.

This amplifier is rated at 75 watts RMS x 4 at 4 ohms, 100 watts RMS x 4 at 2 ohms, and 200 watts RMS x 2 bridged at 4 ohms. Kenwood also equips it with variable high-pass and low-pass filters, speaker-level inputs, signal-sensing turn-on, and an included wired bass knob, making it a strong fit for factory-integration builds and clean aftermarket upgrades.

Key Features

• Compact 4-channel Class D amplifier
• 75 watts RMS x 4 at 4 ohms
• 100 watts RMS x 4 at 2 ohms
• 200 watts RMS x 2 bridged at 4 ohms
• Variable high-pass and low-pass filters
• Speaker-level inputs
• Signal-sensing turn-on
• Wired remote bass controller included
• Compact eXcelon Reference chassis
• 2-year warranty

Connectivity & Integration

• Amplifier type: 4-channel Class D full-range amplifier
• Speaker-level input: Yes, for easier integration with compatible factory or aftermarket source units
• Signal-sensing turn-on: Yes
• Remote level control: Wired remote bass controller included
• Application: Designed for powering front and rear speakers, or bridged channels in aftermarket car audio systems

Power & System Control

• CTA-2006-D rated output of 75W x 4 at 4 ohms, 100W x 4 at 2 ohms, and 200W x 2 bridged at 4 ohms
• Frequency response rated at 20Hz-20kHz (±1dB)
• Variable high-pass filter for dialing in speaker crossover settings
• Variable low-pass filter for flexible system configuration
• Compact design works well in builds where space is limited but clean multi-channel power still matters

Installation & Fitment Notes

• Amplifier type: 4-channel full-range amplifier
• Chassis size: Compact footprint for easier mounting in tight spaces
• Dimensions: 8-11/16" W x 1-3/8" H x 6-5/8" D
• Operating voltage: 14.4V nominal, 11V-16V allowable
• Current consumption: 37A
• Proper power wire, ground, fuse protection, and speaker load configuration should be confirmed before installation
• This amplifier can run four channels of speakers or two bridged channels, depending on system design

Technical Specifications

• Model: XR401-4
• Amplifier class: Class D
• Channels: 4
• RMS power at 4 ohms: 75W x 4
• RMS power at 2 ohms: 100W x 4
• Bridged power at 4 ohms: 200W x 2
• Frequency response: 20Hz-20kHz (±1dB)
• Input sensitivity: 0.2V-5.0V
• Input impedance: 10k ohms
• Signal-to-noise ratio: 100dB
• Dimensions: 220 x 35 x 169mm
• Weight: 1.5kg

Identifiers & Packaging

• Manufacturer Part Number (MPN): XR401-4
• UPC: 019048223296
• Sold As: Each
• Included Components: XR401-4 amplifier, wired remote bass controller, and manufacturer-supplied accessories/documentation

Why Buy From MCOR Automotive

• Authorized Kenwood retailer
• Experienced with amplifier matching, speaker power planning, and clean installation layouts
• Support for choosing the right wiring, speaker load, and integration parts for a reliable setup

System Matching & Installation Help

• Use the MCOR Automotive Vehicle Fit Guide to start with your vehicle details, or contact MCOR Automotive through the chat button for help matching amplifier power, speaker load, wiring, and factory audio integration parts.
• Amplifier wiring kits, line output converters, DSP/interface modules, vehicle-specific integration parts, and installation hardware are sold separately unless specifically listed.