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
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!
- Stealth Connections
- 4 Gauge power/ground connections with built-in ATC fusing
- Connector Cover
- Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
- Top Mounted LED Indicators
- Thermal Sensing
- Infrasonic filter
- Aux Ouputs
- 1 Year Warranty
These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered ...Learn more
Engineered In The USA
These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered this fanatic product. This statement illustrates our commitment to being Designed and Engineered in the U.S.A.
Rockford Fosgate amps use MEHSA, a thermal substrate that maximizes heat transfer between MOSFET power devices ...Learn more
Rockford Fosgate amps use MEHSA, a thermal substrate that maximizes heat transfer between MOSFET power devices and heat-sink. The MEHSA substrate is so efficient at reducing MOSFET temperatures, it lowers distortion, increases durability and results in a prolonged life span.
Trans•ana is a Class A/B topology that simplifies the signal path of the amplifier allowing the ...Learn more
Trans•ana is a Class A/B topology that 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.
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...Learn more
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and dangerously low speaker impedances.
(left-OLD | right-NEW)
Rockford Fosgate amps use custom TO-247 MOSFETs. These have 60% more ...
(left-OLD | right-NEW)
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.
Onboard equalizer with up to +18dB @ 45Hz.Learn more
Punch Bass EQ
Onboard equalizer with up to +18dB @ 45Hz.
(Sum of Rated Power)
(RMS Continuous Power)
110 Watts x 4 @ 2-Ohm
225 Watts x 2 @ 4-Ohm Bridged
Input switch: 2/4 ch.
Low-Pass (LP): 40-400Hz 12dB/octave Butterworth
5.3 x 27.9 x 41.6 (cm)
Knowledge Base Articles
Ask Our Experts
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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