Rockford Fosgate R400-4D 400W 4 Channel Car Audio Amplifier + 4 Gauge Amp Kit

Efficient 4-Channel Amplifier

The R400-4D is an ultra-efficient 4-channel car audio amplifier capable of producing 100 Watts RMS per channel at 2 Ohms. Perfect for powering a full-range system or front component speakers with subwoofers on the rear, it delivers clean and reliable sound.

Compact Design with Versatile Applications

This 4-channel amplifier fits easily into tight spaces and supports multiple configurations. Whether driving a 4-way full-range system or pairing front components with rear subwoofers, the R400-4D offers flexibility for virtually any car audio setup.

Premium Build Quality & Installation Kit

Rockford Fosgate’s signature build quality ensures durability and long-lasting performance. This package includes a 4-Gauge amplifier installation kit, giving you everything needed for a professional-grade installation in your vehicle.

Highlights:

• Rockford Fosgate R400-4D 4-channel car audio amplifier

• 100 Watts RMS per channel at 2 Ohms

• 400 Watts total output power

• Ultra-efficient Class D design for lower heat and energy use

• Perfect for 4-way full-range systems or component/sub setups

• Compact design fits most vehicle installations

• High-quality internal components for reliable performance

• Includes 4-Gauge amplifier installation kit

• Authorized Rockford Fosgate dealer product

• Ideal for small or large car audio upgrades

• Supports front component speakers and rear subwoofers

• Easy integration with aftermarket systems

Package Contains:

• (1) Rockford Fosgate R400-4D 4-channel amplifier

• (1) 4-Gauge amplifier installation kit (wires, terminals, fuses)

• Mounting hardware

• User manual/documentation

• Original packaging