Front view of the Rockford Fosgate Power T400-4 amplifier showcasing its sleek, compact design.
Close-up of the top-mounted control panel with crossover and Punch EQ adjustments.
Detail of the Punch EQ control knobs for customizable bass and treble tuning.
Rear view highlighting the efficient convection-cooled heatsink design.
Angled perspective of the T400-4, highlighting its advanced features and durable construction.
Side view displaying the audiophile-grade speaker and power connections.

Rockford Fosgate Power T400-4 400 Watt 4-Channel Amplifier

$399.00 $429.00
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Front view of the Rockford Fosgate Power T400-4 amplifier showcasing its sleek, compact design.

Rockford Fosgate Power T400-4 400 Watt 4-Channel Amplifier

$399.00 $429.00
Product description

Unleash the power of precise audio with the Rockford Fosgate Power T400-4, a 400-Watt 4-channel amplifier engineered for high-performance car audio systems. Producing 100 Watts into four channels at 2-Ohms, this versatile amplifier is ideal for running a 4-way full-range system or powering front speakers and rear subwoofers in a dedicated setup. Its Dynamic Thermal Management ensures efficient cooling in a compact chassis, allowing for seamless installation in tight spaces like under seats.

Equipped with advanced features like 24dB/octave crossovers, MOSFET power stages, and Punch EQ for bass and treble tuning, the T400-4 delivers crystal-clear sound and exceptional control. Whether you're fine-tuning your front stage or driving subwoofers, this amplifier delivers reliable, audiophile-grade performance.

Key Features:

  • Powerful Output:
    • 60W x 4 @ 4Ω | 100W x 4 @ 2Ω | 200W x 2 @ 4Ω Bridged.
  • Compact Design: Small chassis and Dynamic Thermal Management ensure flexibility in installation locations.
  • 24dB/Octave Crossovers: Adjust high-pass and low-pass filters between 50Hz and 500Hz for precise system tuning.
  • Punch EQ: Boost bass up to +18dB @ 45Hz and treble up to +12dB @ 12kHz for custom sound profiles.
  • Audiophile-Grade Connections: 4 AWG power/ground connectors and 8 AWG speaker outputs for superior signal quality.
  • Durable Construction: Built with a convection-cooled heatsink and a rugged, efficient design for long-lasting performance.
  • Advanced Protection: Short-circuit, thermal, and overload protection for reliable operation.

Specifications:

  • Circuit Topology: Class A/B
  • Frequency Response: 20Hz – 20kHz (+/- 1dB)
  • Input Sensitivity: 150mV – 4V
  • Signal-to-Noise Ratio: >90dB
  • Crossover Controls:
    • High-Pass/Low-Pass: 50Hz – 500Hz (24dB/octave Butterworth).
  • Dimensions: 2.14” H x 8.14” W x 13.66” D
  • Recommended Fuse: 60A
  • Operating Voltage: 9 – 16VDC

Applications:
The Rockford Fosgate Power T400-4 is perfect for front/rear fading stereo systems, full-range speaker setups, or component speakers combined with subwoofers. Its compact design and efficient cooling make it ideal for installations in tight spaces.

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