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The T400-4 amplifier is ideal for front/rear fading home theatre systems or when dedicated amplification is needed between front stage speakers and rear subwoofer(s). Thanks for the Dynamic Thermal Management, small chassis design ensures it might be installed in different location--like under front seats.

Rockford Fosgate Power Series Amplifiers
Power > Size. These compact amps deliver exactly the same gut wrenching power as its big brother, on the other hand chassis designs are up to 40% smaller. DTM (Dynamic Thermal Management) allows efficient heat transfer that minimizes physical size and enables installs under seats and other compact areas when abundant power is required.
400 Watt 4-Channel Amplifier.
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Perfect for front/rear fading home theatre systems or when dedicated amplification is necessary between front stage speakers and rear subwoofer(s).
Click to enlarge.
Small chassis designs with serious power.
Click to enlarge.

T400-4 Features
2/4 channel switch
24dB/octave crossover
4 Gauge power/ground terminals
Audiophile grade speaker connections
MOSFET output stage
MOSFET power supply
CEA-2006
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings.

Differential Inputs
Differential input circuitry measures the voltage of the (+) and (-) input signal. The circuitry subtracts the voltage common to both conductors (noise) causing just the clean signal. This enables only clean signal to enter in the amplifier.

DSM
DSM utilize 1% tight-tolerances improving efficiency from the circuit, decreases cross-talk from other discrete components and lowers operating temperature.

Dynamic Thermal Management
Heat is usually inefficiently dissipated across a heatsink causing "hot spots". Rockford Fosgate engineers have developed an award winning cooling design called DTM. This patent pending design seamlessly manages the output of power supply temperatures, while evenly distributing the surplus heat through the entire amplifier.

MEHSA3
MEHSA3 (Maximum Efficiency Heat Sink Application--gen. 3) reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.

NOMAD
NOMAD (Non Multiplying Advanced Decision) is really a "real time" analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances.

Punch EQ2
In the early 70's, Jim Fosgate studied the acoustical properties of automobiles. Utilizing a real-time analyzer and pink noise, however graph out the acoustical characteristics of each car he tested. Jim discovered three problems which were common to all or any cars: a midbass hump between 100-275Hz, a steep roll-off of high frequencies from 2kHz approximately 20kHz, and reduced bass response below 50Hz.

The Punch EQ on-board equalization circuit helps correct for these acoustical deficiencies inside the listening environment. When set to Low-Pass(LP) operation, it is a variable Bass Boost. When set to High-Pass (HP) operation, it acts being a variable Mid-Bass and Treble Boost. When set to All Pass (AP) operation, both Bass and Treble frequencies are boosted.

Rockford Fosgate Avatar
These Avatars really are a personal signature from the Rockford Fosgate team member who designed and engineered this fanatic product. This statement illustrates Rockford's dedication to being Designed and Engineered within the U.S.A.

TO-247 MOSFETs
Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for additional power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs seen in competitor amps.

TRANS·ana
Trans·ana (TRANS conductance Active Nodal Amplifier) simplifies the signal path in the amplifier allowing the signal to visit from the amplifier at a lower voltage. The effect is greater reliability and exceptional sound quality.
T400-4 Specifications
Number of Channels: 4
Rated Power: 60W x 4 @ 4-Ohms RMS
100W x 4 @ 2-Ohms RMS
200W x 2 @ 4-Ohms bridged RMS
2-Ohms x 2 bridged Stable
Total Power: 400 Watts
Dynamic Power: Front Channels
90 Watts x 2 @ 4-Ohms 0 degrees Res
154 Watts x 2 @ 2-Ohms 0 degrees Res

Rear Channels
90 Watts x 2 @ 4-Ohms 0 degrees Res
154 Watts x 2 @ 2-Ohms 0 degrees Res
Bridgeable: Yes
Efficiency (average): 69% @ 4-Ohm
68% @ 2-Ohm
Crossover Controls: Front High-Pass (HP): 50-500Hz 24dB/octave Butterworth
Front Low-Pass (LP): 50-500Hz 24dB/octave Butterworth
Rear High-Pass (HP): 50-500Hz 24dB/octave Butterworth
Rear Low-Pass (LP): 50-500Hz 24dB/octave Butterworth
Tone Controls: Front Channels - Punch EQ
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz

Rear Channels - Punch EQ
Treble: 0dB to +12dB @ 12kHz
Bass: 0dB to +18dB @ 45Hz
Signal Input: Front Low level: 1 RCA pair
Rear Low level: 1 RCA pair
Signal Output: n/a
Power Input Connector: Block
Power Wire Gauge: 4 AWG
Speaker Output Connector: Screw terminal barrier strip
Speaker Wire Gauge: 8 AWG to 18 AWG
Heat Sink Type: Cast aluminum
Cooling: Convection
Remote Controls: Optional Remote Punch EQ (overrides built-in Punch EQ)
Visual Indicators: Power
Thermal
Protect
Circuit Topology Class: Class A/B
Frequency Response: 20Hz to 20kHz +/- 1dB
Shipping Weight: 11.90 Lbs. (5.39 Kg.)
Dimensions (HxWxL): 2.14 x 8.14 x 13.66 (in)
5.42 x 20.68 x 34.69 (cm)
Thirty Years of Rockford Fosgate
Rockford Fosgate products are actually designed and engineered in Tempe, Arizona considering that the beginning. Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products inside the world. The company's no-compromise approach has yielded patented iconic products including the Punch EQ, Punch 45 amplifier and also the 3Sixty integrated signal processor. Today, Rockford's new products push the performance envelope even further. Each cool product is a stride forward--they sound bigger, they play louder, and run longer. Rockford never settles for "good enough."
The 2010 manufacturer product line represents their core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar around the competition.

What's inside the Box
Rockford Fosgate Power T400-4 400-watt multi-channel amplifier, Mounting Hardware, User's Manual
On a Tighter Budget?
For those seeking a more affordable multi-channel amplification solution, Rockford offers the Punch Series P400-4 along with the Prime Series R300-4.
Power Series Multi-Channel Amplifiers
Rockford Fosgate supplies a 600-watt model furthermore to the 400-watt model.

Rockford Fosgate Power T600-4 600 watt multi channel amplifier Rockford Fosgate Power T400-4 400 watt multi channel amplifier

Rockford Fosgate Power T400-4 400 watt multi channel amplifier



6.2-Inch Widescreen Touchscreen Tft Monitor
Resolution: 1152 X 234 Pixels
Brightness: 400 Nits
On-Screen Display
Output Power: 80W X 4 Channels