Rockford Fosgate Punch Marine 400W 2-Channel Class A/B Amplifier PM400 — Big Jeff Audio Dealer Platform
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Welcome To The Dealer Platform


  • 400 Watt
  • 2-channel amplifier
  • Class-a/b technology
  • conformal coated pc board
  • Designed for motorsport and marine applications.

Rockford Fosgate Punch Marine 400W 2-Channel Class A/B Amplifier PM400X2

(1) PM400X2 Amplifier

(1) 2.5mm Allen Wrench

(4) 1-1/2" Self-Tapping Screws

(1) CD Setup Disk

(1) Certificate of Performance

The PM400X2 is a 400 Watt 2-channel amplifier with high dynamic power using Class-a/b technology and a conformal coated pc board designed for motorsport and marine applications.

Whether you're looking to drive high frequency component speakers or low frequency subwoofers, the PM400X2 has the power and flexibility you need to put some serious PUNCH in your vehicle. The power available from such a small amp means it's a great match for a 2-ohm DVC subwoofer or pair of 8-ohm SVC subwoofers.

High level input capable with Auto Turn-On circuit

RCA pass-thru outputs

Features C.L.E.A.N. Set-up

Optional remote Punch Level Control (PLC2) ready (w/ input clip indicator)

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

Marine grade two part epoxy coating on circuit boards

Marine grade stainless steel hardware

2-Year Warranty


Total Power: 400W

Channels: 2

Rated Power (RMS):

125W x 2 @ 4 Ohm

200W x 2 @ 2 Ohm

400W x 1 @ 4 Ohm Bridged

Dynamic Power (PVC/Powercube):

149W x 2 @ 4 Ohms

256W x 2 @ 2 Ohm

Crossover Controls:

High-Pass:50Hz - 250 Hz @ 12dB/Octave Butterworth

Low-Pass: 50Hz - 250Hz @ 12dB/Octave Butterworth

All-Pass: Yes

Recommended Fuse (not included): 60A

Average Current Draw (13.8V Music): 28A

Operating Voltage: 9 - 16 VDC

Signal Input: Hi/Low Level: 1 RCA Pair

Tone Controls:

Punch EQ2 Bass: 0dB to +18dB @ 45 Hz and/or

Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz

Function depends upon LP/AP/HP switch position

Max. Current Draw (13.8V Sinewave): 55 A

Efficiency: 72 Percent @ 4 Ohm

Suggested Alternator: 75A

Input Sensitivity: 150mV - 12 V

Bridgeable: Yes

Signal Output: Low Level: 1 RCA Pair

Power Input Connector: Captive C-Clamp

Spweaker Wire Gauge: 8 AWG to 18 AWG

Speaker Output Connector: Captive C-Clamp

Power Wire Gauge: 8 AWG to 4 AWG

Heat Sink Type: Cast Aluminum

Cooling: Convection

Circuit Topology Class: Class A/B

Frequency Response: 20Hz to 20kHz +/- 1.0dB


2.38" x 7.76" x 11.03"

6.05 x 19.71 x 28.02 cm

Payment Information


We accept PayPal for all ebay orders. You can use your credit through PayPal as all major credit card are accepted by PayPal.

We accept PayPal for all international orders, your address must be verified with PayPal.

We are not responsible for any custom duties or brokerage fees that may apply for all international orders.

When you click on the Buy it Now button you are entering into a
contract whereby you agree to purchasing the item at the price listed.

If you want to ship your item to an alternate address please add
that address on your PayPal account and use the address as the default
or confirmed address to pay us through PayPal

With Free Same Business Day Shipping we work to get you your order Fast. 


All orders over $500 will require a signature for delivery.

All pre-selected shipping rates and methods are for customers with a
valid residential or commercial address within the Contiguous 48 United
States (PO Boxes address may require additional charges).

P.O. Boxes, APO/FPO addresses, Alaska, Hawaii, Puerto Rico, Guam,
U.S. Virgin Islands, Northern Mariana Islands, American Samoa, Canada,
and other countries may require additional shipping fees. Please contact
a member of our team for detailed shipping charges.

Shipping is available only to PayPal verified addresses. When making
payment please confirm your address has been verified with PayPal. Once
payment is made shipping address can not be changed/altered. Payments
made using an unverified PayPal address will be refunded and order will
be canceled.

We will not accept request to change shipping address once payment
has been made. Please confirm your shipping address is up-to-date and

Typical handling time for orders is 1-business day. We do our best
to ship every package with-in 1 business day of receiving a cleared
payment. In some circumstances additional time may be need, in which
case we will contact buyer.

Shipped orders that are returned by the shipping company due to an
insufficient address or an undeliverable address will be refunded less a
20% restocking fee.

If package is refused or marked undeliverable and returned
back to us by the carrier, you will need to pay the shipping cost in
full to have the package sent back to you or we can refund the money
minus the cost of shipping


If you have not received your package, but the tracking information shows that it was delivered,
please do the following within 36 hours of expected, stated delivery:


Verify the shipping address on the order is the address where you are looking for the package

Look for a notice of attempted delivery

Look around the delivery location for the package, or see if a neighbor has accepted the delivery

Be sure to double check your mailbox and other usual spots for package delivery


If you think that your package has been stolen, we will require a police report since this is now theft.
Once we have a police report on file for the stolen package, we will reship your order.