450 Watt 4-Channel Amplifier P450.4

450 Watt 4-Channel Amplifier P450.4

Punch 450 Watt 4-channel amplifier with black aluminum sheet metal designed for operation at 2Ω stereo and/or 4Ω bridged/mono loads.

• Model replaced by P400-4

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Discontinued
Overview

Equally at home powering two pairs of coaxials/component speakers or one pair of speakers and a 4-ohm SVC subwoofer, the P450.4 is an excellent amplifier choice for virtually any vehicle. A super easy way to add the PUNCH to your system!

FEATURES AT A GLANCE

  • Stealth Connections
  • Top Mounted LED Indicators
  • 4 Gauge power/ground connections with built-in ATC fusing
  • Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
  • Connector Cover
  • Thermal Sensing
  • Aux Ouputs
  • Infrasonic filter
  • 1 Year Warranty
Technologies
MEHSA

Rockford Fosgate amps use MEHSA, a thermal substrate that maximizes heat transfer between MOSFET power devices ...

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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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TRANS•ana

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

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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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TO-247 MOSFETs

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

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Punch Bass EQ

Onboard equalizer with up to +18dB @ 45Hz.

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Specifications
Cta-2006 Compliant
Number of Channels
4
Total Power
(Sum of Rated Power)
450 Watts RMS
Rated Power
(RMS Continuous Power)
60 Watts x 4 @ 4-Ohm
110 Watts x 4 @ 2-Ohm
225 Watts x 2 @ 4-Ohm Bridged
Dynamic Power
(Pvc/Powercube®)
Bridgeable
Yes
Frequency Response
20Hz to 20kHz +/- 0.5 dB
Input Sensitivity
Circuit Topology Class
Class A/B
Efficiency (Average)
Total Harmonic Distortion (Thd+Noise)
Signal Input
Low level: 2 RCA pair
Input switch: 2/4 ch.
Signal Output
Low level: 1 RCA pair
Tone Controls
Bass: 0dB to +18dB @ 45Hz
Crossover Controls
High-Pass (HP): 40-400Hz 12dB/octave Butterworth
Low-Pass (LP): 40-400Hz 12dB/octave Butterworth
Remote Controls
Punch Bass EQ (included with cable)
Visual Indicators
Power On
Signal Level
Thermal Status
Speaker Protection
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)
2.1 x 11 x 16.4 (in)
5.3 x 27.9 x 41.6 (cm)
Shipping Weight
17.5 Lbs.
(7.9 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.

This allows FRONT channels to run STEREO speakers while REAR channels run WOOFERS.



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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