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Punch 400 Watt 4-Channel Amplifier P400X4

Punch 400 Watt 4-Channel Amplifier P400X4

The Punch P400X4 is a 4-channel amplifier producing 100 Watts into all four channels at 2-Ohm. The P400X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels.

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$349.99
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Overview

The P400X4 is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. Simply drop a pair of component speakers on the front channels and subs on the rear and BOOM - you got "The PUNCH." With its flexible design, the P400X4 is an excellent amplifier choice for virtually any vehicle.

  • High level input capable with Auto Turn-On circuit
  • Features C.L.E.A.N. Set-up
  • 12dB/octave Butterworth crossover
  • On-board Punch EQ with +18dB boost @ 45Hz
  • Muted turn on
  • Stealth top mounted control panel
  • Cast aluminum heatsink
  • Short circuit protection
  • Over current protection
  • 1 Year Warranty
Technologies
CE Compliant
CE Compliant

This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 ...

CEA-2006 Compliant
CEA-2006 Compliant

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

TRANS&#149;<em>ana</em>
TRANS•ana

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

Balanced Differential Inputs
Balanced Differential Inputs

Differential inputs eliminate noise picked up by signal cables.

DTM
DTM

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

DSM
DSM

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

MEHSA<sup>3</sup>
MEHSA3

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

NOMAD
NOMAD

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

Rockford Fosgate Avatar
Rockford Fosgate Avatar

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

C.L.E.A.N. Set-Up
C.L.E.A.N. Set-Up

Patented circuit with in/out clip LEDs to help match a source to amp and optimize output.

Specifications
Operating Voltage
9 - 16 VDC
Channel Separation
>50 dB
Damping Factor
>500
Common Mode Rejection
>55 dB
Signal-to-Noise (CEA)
>85 dB
Efficiency (average)
67% @ 4-Ohm
CEA-2006 Compliant
CEA-2006 Power Rating
50W x 4 @ 4Ω
≤1.0% THD+N
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0%
2-Ohm: <1.0%
Recommended Fuse
(not included)
60 A
Max. Current Draw (13.8V Sinewave)
60 A
Average Current Draw (13.8V Music)
30 A
Dynamic Power
(PVC/PowerCube®)
82 Watts x 4 @ 4-Ohm
137 Watts x 4 @ 2-Ohm
266 Watts x 2 @ 4-Ohm Bridged
Shipping Weight
10.8 Lbs. (4.89 Kg.)
Crossover Controls
Front High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
Rear High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth
All-Pass: Yes
Suggested Alternator
75 A
Input Sensitivity
150 mV - 12 V
Number of Channels
4
Rated Power
(RMS Continuous Power)
50 Watts x 4 @ 4-Ohm
100 Watts x 4 @ 2-Ohm
200 Watts x 2 @ 4-Ohm Bridged
Total Power
(Sum of Rated Power)
400 Watts
Bridgeable
Yes
Tone Controls
Front Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or
Front Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz
Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or
Rear Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz
Function depends upon LP/AP/HP switch position
Signal Input
Hi/Low level: 2 RCA pair
Signal Output
-
Power Input Connector
Captive C-Clamp
Power Wire Gauge
8 AWG to 4 AWG
Speaker Output Connector
Captive C-Clamp
Speaker Wire Gauge
8 AWG to 18 AWG
Heat Sink Type
Cast aluminum
Cooling
Convection
Remote Controls
-
Visual Indicators
Power/Protect/Thermal LED
Input Clip LED3
Output Clip LED1,2,3

LED Color Legend:
1BLUE: <0.5% THD
2VIOLET: 1% THD
3RED: 10%+ THD
Circuit Topology Class
Class A/B
Frequency Response
20Hz to 20kHz +/- 1.0dB
Dimensions (H x W x D)
2.38 x 7.76 x 11.03 (in)
6.05 x 19.71 x 28.02 (cm)
Dimensional Diagram
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.


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