1 / 8
The PM400X4 is a 400 Watt, 4-channel amplifier that uses Class-A/B topology and a conformal-coated PC board to suit marine and motorsport environments.
Buyer confidence
88%Highlights
- 2-Year Warranty
- Marine grade two part epoxy coating on circuit boards
- Marine grade stainless steel hardware
- Muted turn on
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 400 Watts
- Rated Power (RMS Continuous Power)
- 50 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 82 Watts x 4 @ 4-Ohm 137 Watts x 4 @ 2-Ohm 266 Watts x 2 @ 4-Ohm Bridged
- Bridgeable
- Yes
- Frequency Response
- 20Hz to 20kHz +/- 1.0dB
- Input Sensitivity
- 150 mV - 12 V
- Circuit Topology Class
- Class A/B
Key specs
Full specs- Number of Channels
- 4
- Total Power (Sum of Rated Power)
- 400 Watts
- Rated Power (RMS Continuous Power)
- 50 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged
- Dynamic Power (PVC/PowerCube®)
- 82 Watts x 4 @ 4-Ohm 137 Watts x 4 @ 2-Ohm 266 Watts x 2 @ 4-Ohm Bridged
Highlights
Overview- 2-Year Warranty
- Marine grade two part epoxy coating on circuit boards
- Marine grade stainless steel hardware
Overview
The PM400X4 is a 400 Watt, 4-channel amplifier that uses Class-A/B topology and a conformal-coated PC board to suit marine and motorsport environments.
Best for
- 4-way front-stage / rear-fill systems
- 3-way front-stage with subwoofer systems
- Applications requiring corrosion-resistant electronics in marine or motorsport settings
Key points
- 400 Watt total, 4-channel output
- Class-A/B amplification for dynamic power delivery
- Conformal-coated printed circuit board for marine/motorsport durability
- Balanced differential inputs
- Element Ready™ design and NOMAD/MEHSA3/DTM technologies
- CE compliant; engineered in the USA
Fit and use
Designed to power typical multi-channel car or boat audio layouts: use the front channels for component speakers and the rear channels for fill or subwoofer duties depending on system design.
What to know
This amplifier is built and coated for exposure common to marine and motorsport use; the conformal coating helps protect circuitry from moisture and vibration. It uses Class-A/B topology for high dynamic power and includes balanced differential inputs for reduced noise. Verify compatibility with your speakers and syst…
Highlights
Key features
- 2-Year Warranty
- Marine grade two part epoxy coating on circuit boards
- Marine grade stainless steel hardware
- Muted turn on
- High level input capable with Auto Turn-On circuit
- Cast aluminum heatsink
- Stealth top mounted control panel
- On-board Punch EQ with +18dB boost @ 45Hz
- Over current protection
- Short circuit protection
- 12dB/octave Butterworth crossover
- Features C.L.E.A.N. Set-up
More info
Manufacturer details
The PM400X4 is a 400 Watt 4-channel amplifier with high dynamic power using Class-A/B technology and a conformal coated pc board designed for motorsport and marine applications.
Additional details
The PM400X4 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 PM400X4 is an excellent amplifier choice for virtually any vehicle.
Technologies
Element Ready™ | Amps
All components are protected against harsh outdoor elements like Dust, UV, Temperature, Water, Corrosion &
NOMAD
NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...
MEHSA3
MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life
DTM
Our engineers at Rockford Fosgate have developed an award winning cooling design called DTM (Dynamic Thermal
TRANS•ana
An award winning studio quality circuit borrowed from the pro audio company Hafler. TRANS-ana is a sound quality
CE Compliant
This product fulfills all essential safety and environmental requirements as defined in the European Directives
Balanced Differential Inputs
Differential input circuitry measures the voltage of both the (+) and (-) input signal. The circuitry subtracts
Engineered In The USA
[av• uh•tahr -noun] 1. an embodiment or personification, as of a principle, attitude, or view of life 2. a
DSM
DSM - An industry-leading manufacturing process, DSM utilizes high-speed robotics, high-quality 1% tight-tolerance
Showing the main technologies for this product.
Specs
Specifications
28
| Number of Channels | 4 |
| Total Power (Sum of Rated Power) | 400 Watts |
| Rated Power (RMS Continuous Power) | 50 Watts x 4 @ 4-Ohm 100 Watts x 4 @ 2-Ohm 200 Watts x 2 @ 4-Ohm Bridged |
| Dynamic Power (PVC/PowerCube®) | 82 Watts x 4 @ 4-Ohm 137 Watts x 4 @ 2-Ohm 266 Watts x 2 @ 4-Ohm Bridged |
| Bridgeable | Yes |
| Frequency Response | 20Hz to 20kHz +/- 1.0dB |
| Input Sensitivity | 150 mV - 12 V |
| Circuit Topology Class | Class A/B |
| Efficiency (average) | 67% @ 4-Ohm |
| Total Harmonic Distortion (THD+Noise) | 4-Ohm: <1.0% 2-Ohm: <1.0% |
| Signal Input | Hi/Low level: 2 RCA pair |
| Signal Output | - |
| 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 |
| 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 |
| 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 |
| Power Wire Gauge | 8 AWG to 4 AWG |
| Power Input Connector | Captive C-Clamp |
| Speaker Wire Gauge | 8 AWG to 18 AWG |
| Speaker Output Connector | Captive C-Clamp |
| Cooling | Convection |
| Operating Voltage | 9 - 16 VDC |
| Recommended Fuse (not included) | 60 A |
| Average Current Draw (13.8V Music) | 30 A |
| Max. Current Draw (13.8V Sinewave) | 60 A |
| Suggested Alternator | 75 A |
| Dimensions (H x W x D) | 2.38 x 7.76 x 11.03 (in) 6.05 x 19.71 x 28.02 (cm) |
| Shipping Weight | 10.8 Lbs. (4.89 Kg.) |
Reviews (0)
—
No average rating yet
0 reviews
No written reviews are live yet. Signed-in customers can submit one below.
No written reviews are live for this item yet.
Installation resources
Wiring diagrams
10
Wiring Diagram #1
Source: Rockford Fosgate
Wiring Diagram #2
Source: Rockford Fosgate
Wiring Diagram #3
Source: Rockford Fosgate
Wiring Diagram #4
Source: Rockford Fosgate
Wiring Diagram #5
Source: Rockford Fosgate
Wiring Diagram #6
Source: Rockford Fosgate
Wiring Diagram #7
Source: Rockford Fosgate
Wiring Diagram #8
Source: Rockford Fosgate
Wiring Diagram #9
Source: Rockford Fosgate
Support
Return Authorization
If you bought this product from Onkar Electronics, use the Contact Us page on the Onkar Electronics website and we will help with return authorization and warranty support. If you purchased it from another dealer, contact that authorized dealer first for return assistance.
Popular Questions
No FAQs available
Accessories
Rockford Fosgate
RFK4D 4 AWG Complete Dual Amp Installation Kit
4.675 reviews
$379.99CAD
$449.99
In stock
Rockford Fosgate
RFK1D Dual Amp 1/0 AWG Dual Amp Wiring Kit
$699.99CAD
$829.99
In stock
Rockford Fosgate
RFK4X 4 AWG Complete Installation Kit
4.775 reviews
$259.99CAD
$319.99
In stock
Rockford Fosgate
RFK4I 4 AWG Power & Signal Installation Kit
5.05 reviews
$289.99CAD
$349.99
In stock
Rockford Fosgate
RFK4 4 AWG Power Installation Kit
4.764 reviews
$199.99CAD
$239.99
In stock
Rockford Fosgate
RFK8X 8 AWG Complete Installation Kit
$189.99CAD
$219.99
In stock
Rockford Fosgate
RFK8I 8 AWG Power & Signal Installation Kit
4.7213 reviews
$159.99CAD
$189.99
In stock
Rockford Fosgate
RFK8 8 AWG Power Installation Kit
4.694 reviews
$109.99CAD
$129.99
In stock
Similar products
Compare nearby options
Rockford Fosgate•Punch
PM600X4 Punch Marine 600 Watt 4-Channel Amplifier
5.03 reviews
$979.99CAD
$1159.99
In stock
Rockford Fosgate
M5-800X4 800 Watt 4-Channel IPX6 Element Ready™ Amplifier
4.06 reviews
$999.99CAD
$1179.99
In stock
Cerwin Vega
HRPM360.4D RPM HED 4-Channel Marine Grade Class-D Amplifier
$810.99CAD
Backorder
Rockford Fosgate•Prime
M2-300X4 M2 300 Watt 4-Channel Element Ready™ Amplifier
5.03 reviews
$519.99CAD
$619.99
In stock
Memphis Audio
MX8004 Amplifier
$649.95CAD
$789.95
In stock
Memphis Audio
MM5004V Amplifier
$599.95CAD
$759.95
In stock
Memphis Audio
MX4004 Amplifier
$459.95CAD
$569.95
In stock
Memphis Audio
MX1502-24V Amplifier
$189.95CAD
$249.95
In stock