400 Watt 2-Channel Amplifier P400-2

400 Watt 2-Channel Amplifier P400-2

The Punch P400-2 is a 2-channel stereo amplifier capable of producing 200 Watts into each channel at 2-Ohms. The P400-2 amplifier is great with full-range or component systems or can be bridged for use with 2 or more subwoofers.

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Discontinued
Overview

Whether you're looking to drive high frequency component speakers or low frequency subwoofers, the P400-2 has the power and flexibility you need to put some serious PUNCH in your vehicle. The power available from such a small amp means it's a great match for a 2-ohm DVC subwoofer or pair of 8-ohm SVC subwoofers.

FEATURES AT A GLANCE

  • 12dB/octave Butterworth crossover
  • MOSFET power supply
  • Audiophile grade speaker connections
  • 4 Gauge power/ground connectors
  • MOSFET output stage
  • Top Mounted LED Indicators
  • RCA pass-thru outputs
  • 1 Year Warranty
Technologies
Balanced Differential Inputs

Differential inputs eliminate noise picked up by signal cables.

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DSM

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

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Engineered In The USA

These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered ...

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DTM

Dynamic Thermal Management evenly distributes excess heat across entire amplifier heatsink.

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MEHSA3

MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.

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CTA-2006 Compliant

Power ratings on Rockford Fosgate amplifiers conform to CTA-2006 industry standards. These guidelines mean your amplifier's ...

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NOMAD

NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...

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Punch EQ2

Onboard equalizer with up to +18dB @ 45Hz and/or up to +12dB boost at 12kHz.

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TO-247 MOSFETs

(left-OLD | right-NEW)
Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more ...

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TRANS•ana

Trans•ana is a Class A/B topology that simplifies the signal path of the amplifier allowing the ...

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Specifications
Cta-2006 Compliant
Number of Channels
2
Total Power
(Sum of Rated Power)
400 Watts RMS
Rated Power
(RMS Continuous Power)
100 Watts x 2 @ 4-Ohm
200 Watts x 2 @ 2-Ohm
400 Watts x 1 @ 4-Ohm Bridged
Dynamic Power
(PVC/PowerCube®)
140 Watts x 2 @ 4-Ohms 0° Res
234 Watts x 2 @ 2-Ohms 0° Res
Bridgeable
Yes
Frequency Response
20Hz to 20kHz +/- 1.0dB
Input Sensitivity
Circuit Topology Class
Class A/B
Efficiency (average)
70% @ 4-Ohm
65% @ 2-Ohm
Total Harmonic Distortion (Thd+Noise)
Signal Input
Low level: 1 RCA pair
Signal Output
Low level: 1 RCA pair
Tone Controls
Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or
Punch EQ2 Treble: 0dB to +12dB @ 12kHz
Function depends upon LP/AP/HP switch position
Crossover Controls
High-Pass (HP): 50Hz-500Hz 12dB/octave Butterworth
Low-Pass (LP): 50-500Hz 12dB/octave Butterworth
Remote Controls
Optional PEQ Remote Punch EQ
(overrides built-in Punch EQ2)
Visual Indicators
Power
Thermal
Protect
Power Wire Gauge
4 AWG
Power Input Connector
Block
Speaker Wire Gauge
8 AWG to 18 AWG
Speaker Output Connector
Screw terminal barrier strip
Cooling
Convection
Heatsink
Operating Voltage
Recommended Fuse
(Not Included)
Average Current Draw (13.8V Music)
Max. Current Draw (13.8V Sinewave)
Suggested Alternator
Included In The Box
Dimensions (H x W x D)
2.25 x 7.625 x 10.25 (in)
5.71 x 19.37 x 26.03 (cm)
Shipping Weight
7.25 Lbs.
(3.28 Kg.)
Compatibility
Support

Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.


Accessories Wiring Wizard

Available Wiring Diagrams

Please consult your amplifier owner's manual for lowest recommended impedance.

The below diagrams optimize this amp for its lowest recommended BRIDGED/MONO load.



Wiring Diagram #1



Wiring Diagram #2



Wiring Diagram #3



Wiring Diagram #4



Wiring Diagram #5



Wiring Diagram #6



Wiring Diagram #7



Wiring Diagram #8



Wiring Diagram #9



Wiring Diagram #10

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

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