Average Reviews:
(More customer reviews)I upgraded my Punch P200 2-channel amp and I have zero regrets. In fact, I wish I had this amp all along! This is one STRONG Amplifier!! There is more power here than I need, that's for sure. I have the rear channels running in mono on 2 ohms and it pushes my Punch 10" sub to perfection. The front side is running in stereo on 4 ohms pushing four Fosgate 5X7s. The sound is super clean and LOUD!
Only Con: While the amp is very stylish looking, it has no connector covers to conceal wiring like the P200-2. That would have made this amp a solid 5 star for me. Instead I'm giving it a 4.8.
Bottom Line: After 20 years of Fosgate loyalty I'm thoroughly impressed with this Amp!
Click Here to see more reviews about: Rockford Fosgate Power T400-4 400 watt multi channel amplifier
The T400-4 amplifier is perfect for front/rear fading stereo systems or when dedicated amplification is required between front stage speakers and rear subwoofer(s). Thanks to the Dynamic Thermal Management, the small chassis design ensures it can be installed in any location--like under front seats.
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 both the (+) and (-) input signal. The circuitry subtracts the voltage common to both conductors (noise) resulting in only the clean signal. This allows only clean signal to enter the amplifier.
DSM DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature.
Dynamic Thermal Management Heat is often 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 excess heat across 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 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, he would graph out the acoustical characteristics of each car he tested. Jim discovered three problems that were common to all cars: a midbass hump between 100-275Hz, a steep roll-off of high frequencies from 2kHz up to 20kHz, and reduced bass response below 50Hz.
The Punch EQ on-board equalization circuit helps correct for these acoustical deficiencies in the listening environment. When set to Low-Pass(LP) operation, it becomes a variable Bass Boost. When set to High-Pass (HP) operation, it acts as 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 are a personal signature from the Rockford Fosgate team member who designed and engineered this fanatic product. This statement illustrates Rockford's commitment to being Designed and Engineered in the U.S.A.
TO-247 MOSFETs Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more metal tab area for more power capacity, lower impedance and improved heat dissipation over traditional TO-220 MOSFETs found in competitor amps.
TRANS·ana Trans·ana (TRANS conductance Active Nodal Amplifier) simplifies the signal path of the amplifier allowing the signal to travel through the amplifier at a lower voltage. The result is greater reliability and exceptional sound quality.
T400-4 Specifications
Thirty Years of Rockford FosgateRockford Fosgate products have been designed and engineered in Tempe, Arizona since the beginning. Rockford's 30 year reputation is grounded in engineering and manufacturing some of the finest audio products in the world. The company's no-compromise approach has yielded patented iconic products such as the Punch EQ, Punch 45 amplifier and the 3Sixty integrated signal processor. Today, Rockford's new products push the performance envelope even further. Each new product is a step forward--they sound bigger, they play louder, and run longer. Rockford never settles for "good enough."
The 2010 product line represents the company's core philosophy. Rockfords new amplifiers, speakers and subwoofers have raised the bar on the competition.
What's in 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 and the Prime Series R300-4.
Power Series Multi-Channel Amplifiers Rockford Fosgate offers a 600-watt model in addition to this 400-watt model.
Click here for more information about Rockford Fosgate Power T400-4 400 watt multi channel amplifier
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