Rockford Fosgate PM400X4 4-Channel Amplifier

SKU PM400X4
Badge All Black
$

$989.00

Available in

Online & Store

Product Enquiry
Add to Wishlist
Add to Wishlist
Found a better price elsewhere? Let us match it for you!
own it from $10/wklearn more »
Brand Logo
For over 40 years Rockford Fosgate has produced audio products for cars, boats and recreational vehicles.
Rockford Fosgate
$989.00
$989.00

The Rockford Fosgate PM400X4 4-Channel Amplifier offers high dynamic power using Class-A/B technology and a conformal coated PC board designed for motorsport and marine applications.

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.

Main Features:

  • 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
  • Cast aluminum heatsink
  • Stealth top mounted control panel
  • Short circuit protection
  • Over current protection
  • Marine grade stainless steel hardware
  • Marine grade two part epoxy coating on circuit boards
Pm400x4 Image6

Specifications

Weight
4.89 kg
Dimensions
19.71 × 6.05 cm
availability

Online, Store

Model

PM400X4

frequency response

20Hz to 20kHz +/- 1.0dB

sensitivity

150 mV – 12 V

wire gauge

8 AWG to 18 AWG (Speaker), 8 AWG to 4 AWG (Power)

operating voltage

9 – 16 VDC

warranty

2 years

Number of Channels

4

Total Power (Sum of Rated Power)

400 Watts

Rated Power (RMS Continuous Power)

50 Watts x 4 @ 4 Ohms
100 Watts x 4 @ 2 Ohms
200 Watts x 2 @ 4-Ohm Bridged

Dynamic Power (PVC/PowerCube®)

82 Watts x 4 @ 4 Ohms
137 Watts x 4 @ 2 Ohms
266 Watts x 2 @ 4-Ohm Bridged

Bridgeable

Yes

Circuit Topology Class

Class A/B

Efficiency (Average)

67% @ 4 Ohms

Total Harmonic Distortion (THD+Noise)

4 Ohms: <1.0% 2 Ohms: <1.0%

Signal Input

Hi/Low level: 2 RCA pair

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

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 Input Connector

Captive C-Clamp

Speaker Output Connector

Captive C-Clamp

Cooling

Convection

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

Depth

11.03″ (28.02 cm)

The Rockford Fosgate PM400X4 4-Channel Amplifier offers high dynamic power using Class-A/B technology and a conformal coated PC board designed for motorsport and marine applications.

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.

Main Features:

  • 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
  • Cast aluminum heatsink
  • Stealth top mounted control panel
  • Short circuit protection
  • Over current protection
  • Marine grade stainless steel hardware
  • Marine grade two part epoxy coating on circuit boards
Pm400x4 Image6

Specifications

Weight
4.89 kg
Dimensions
19.71 × 6.05 cm
availability

Online, Store

Model

PM400X4

frequency response

20Hz to 20kHz +/- 1.0dB

sensitivity

150 mV – 12 V

wire gauge

8 AWG to 18 AWG (Speaker), 8 AWG to 4 AWG (Power)

operating voltage

9 – 16 VDC

warranty

2 years

Number of Channels

4

Total Power (Sum of Rated Power)

400 Watts

Rated Power (RMS Continuous Power)

50 Watts x 4 @ 4 Ohms
100 Watts x 4 @ 2 Ohms
200 Watts x 2 @ 4-Ohm Bridged

Dynamic Power (PVC/PowerCube®)

82 Watts x 4 @ 4 Ohms
137 Watts x 4 @ 2 Ohms
266 Watts x 2 @ 4-Ohm Bridged

Bridgeable

Yes

Circuit Topology Class

Class A/B

Efficiency (Average)

67% @ 4 Ohms

Total Harmonic Distortion (THD+Noise)

4 Ohms: <1.0% 2 Ohms: <1.0%

Signal Input

Hi/Low level: 2 RCA pair

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

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 Input Connector

Captive C-Clamp

Speaker Output Connector

Captive C-Clamp

Cooling

Convection

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

Depth

11.03″ (28.02 cm)