






Rockford Fosgate Power T400X2ad
Power Series 200W Compact 2-Channel Car Amplifier
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Rockford Fosgate Power T400X2ad: 2-Channel Amplifier for Dynamic, High-Performance Sound
The Rockford Fosgate Power T400X2ad is a compact, high-efficiency 2-channel amplifier delivering 400 watts of clean, dynamic power. Designed for audiophiles who demand premium sound quality without sacrificing space, this amplifier is part of Rockford Fosgate’s renowned Power Series. With advanced Class AD technology and precision controls, it’s the perfect solution for upgrading or building a high-performance car audio system.
Key Features
- Powerful Sound Output: 400 watts RMS to drive your system with clarity and volume.
- High-Efficiency Class AD Technology: Combines Class D efficiency with Class AB fidelity for rich, clean sound.
- Compact Design: Small footprint ideal for space-constrained installations.
- Dynamic Thermal Management: Distributes heat evenly to ensure long-lasting performance.
- Precision Controls: Includes high-pass/low-pass crossovers, Punch EQ, and C.L.E.A.N. input/output clip detection.
Specifications
Specification | Details |
---|---|
Power Output | 100W x 2 @ 4Ω, 200W x 2 @ 2Ω, 400W x 1 @ 4Ω Bridged |
Frequency Response | 10 Hz – 45 kHz |
Signal-to-Noise Ratio | >80 dB |
Crossover | Variable HP/LP (50 Hz – 500 Hz @ 12 dB/octave) |
Punch EQ | +0–18 dB Boost @ 45 Hz |
Dimensions | 1.6" x 4.3" x 8.3" (4.06 cm x 10.92 cm x 21.08 cm) |
Input Sensitivity | 150 mV – 4V (High-Level and Low-Level) |
Class | AD |
What’s In the Box
- Rockford Fosgate Power T400X2ad Amplifier
- Mounting Hardware
- User Manual
Frequently Asked Questions
Q: What is the Rockford Fosgate Power T400X2ad?
A: It’s a compact 2-channel amplifier delivering 400 watts RMS, using Class AD technology for efficient, high-fidelity sound.
Q: Can the T400X2ad drive multiple speakers?
A: Yes, it can power two full-range speakers or be bridged to run a subwoofer, offering great system flexibility.
Q: What makes the T400X2ad amplifier unique?
A: Its proprietary Class AD architecture blends the best of Class AB and D, offering high-quality audio with low heat and high efficiency.
Q: Is the T400X2ad easy to install?
A: Absolutely. Its small form factor fits tight spaces easily, and the built-in C.L.E.A.N. system ensures distortion-free setup.
Q: Why choose the Rockford Fosgate Power T400X2ad for my system?
A: With its blend of power, precision, and efficiency in a compact design, the T400X2ad is ideal for premium sound upgrades in any vehicle.
Experience Dynamic, High-Efficiency Sound with the Rockford Fosgate Power T400X2ad
Don’t miss the opportunity to power your car audio system with the compact yet powerful Rockford Fosgate Power T400X2ad. Order today and transform your sound experience with clarity, control, and confidence.

FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.