Rockford Fosgate P400X4

Versatile Power for Full-Range and Component Systems
The Rockford Fosgate Punch P400X4 is a 4-channel amplifier that delivers 400 watts of RMS power, making it an excellent choice for a 4-way full-range system or a 3-way system with subwoofers on the rear channels. Whether you are driving high-performance speakers for your front stage or need extra power for subwoofers, this amplifier can handle it all. With a versatile multi-channel design, the P400X4 is ideal for virtually any vehicle, delivering clean, powerful sound that enhances the audio experience.

Class-A/B Topology for Reliable Sound Quality
The P400X4 uses Class-A/B topology, ensuring excellent sound quality with minimal distortion and high efficiency. The amplifier features an onboard Punch EQ with a +18dB boost at 45Hz, which enhances bass frequencies and provides the low-end boost you need for a more dynamic audio experience. With variable 12 dB/Oct Butterworth crossovers, the P400X4 offers precise control over your audio system’s frequency response, ensuring smooth transitions between your speakers and subwoofers.

Durable Construction with Rockford Fosgate Build Quality
Designed to deliver both power and reliability, the Rockford Fosgate Punch P400X4 is built to last, with a sturdy full chassis construction measuring 2.38” x 7.76” x 11.03”. Whether you are upgrading your car audio system or installing it in a truck or recreational vehicle, this amplifier is engineered to provide high-quality sound and withstand the rigors of daily use. Backed by a full 1-year warranty, the P400X4 gives you peace of mind with Rockford Fosgate's trusted build quality and commitment to performance.

Highlights:

1. 400 Watts RMS Power Output – Delivers powerful, clear sound for full-range and component audio systems.
2. 4-Channel Amplifier – Perfect for 4-way full-range systems or 3-way systems with subwoofers on the rear channels.
3. Versatile Power Options – Capable of 50 Watts x 4 @ 4-Ohms, 100 Watts x 4 @ 2-Ohms, or 200 Watts x 2 @ 4-Ohms bridged.
4. Class-A/B Topology – Ensures clean, reliable sound with minimal distortion.
5. Punch EQ with +18dB Boost at 45Hz – Adds extra bass to enhance low-end frequencies.
6. Variable 12 dB/Oct Butterworth Crossovers – Provides precise control over frequency responses for your system.
7. RCA Pass-Thru Outputs – Allows for easy connection to additional amplifiers or audio components.
8. C.L.E.A.N. Set-Up Feature – Simplifies installation while optimizing the amplifier’s performance.
9. RCA Inputs for Hi and Low-Level Signals – Compatible with a wide variety of audio sources without requiring a signal converter.
10. Full Chassis Design (2.38” x 7.76” x 11.03”) – Compact and durable construction for easy integration into various vehicles.
11. Reliable Rockford Fosgate Build Quality – Designed to withstand harsh conditions and provide long-term reliability.
12. 1-Year Warranty – Comes with a full 1-year parts and labor warranty for peace of mind.
13. Ideal for Car, Truck, and RV Installations – Perfect for upgrading vehicle audio systems.
14. Optimized for High Power and Efficiency – Delivers solid performance without taxing the vehicle's electrical system.
15. Flexible Channel Configuration – Can be bridged for more power to drive subwoofers with ease.