close
close
Choose Your RideSelect Your Model
Mid-size (2 Seat)

Mid-size (2 Seat)

Full-size (3 Seat)

Full-size (3 Seat)

Crew

Crew

Pro XD

Pro XD

General

General

Polaris Ranger Punch Marine 400 Watt 4-Channel Amplifier by Rockford

SKU: PM400X4-EPR
$469.99
Or
Starting at $43/mo with . See if you qualify
In Stock

Add a Protection Plan

See plan details
Frequently Bought Together
Polaris Ranger Punch Marine 400 Watt 4-Channel Amplifier by Rockford
+
Polaris Ranger Off-Road Plug to 5 Pin Adapter (Straight Cord) by Rugged Radios
+
Polaris Ranger Alpha Audio Offroad Helmet Kit with 3.5mm Ear Bud Jack by Rugged Radios
Total Price:
$614.99 $614.99

Product Information

SKU: PM400X4-EPR
BRAND: Rockford

This 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.

This 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.

Punch Marine 400 Watt 4-Channel Amplifier 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
  • 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

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
  • 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
  • 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 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
  • Heatsink
  • 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

Product Fitment

Mid-Size Vehicle2025 Ranger SP 570 (Includes Northstar)2024 Ranger SP 570 (Includes Northstar)2023 Ranger SP 570 (Includes Northstar)2022 Ranger 5002022 Ranger EV2022 Ranger SP 570 (Includes Northstar)2021 Ranger 5002021 Ranger 5702021 Ranger EV2020 Ranger 5002020 Ranger 5702020 Ranger EV2019 Ranger 5002019 Ranger 5702019 Ranger EV2018 Ranger 5002018 Ranger 5702018 Ranger EV2017 Ranger 5002017 Ranger 5702017 Ranger EV2016 Ranger 5702016 Ranger ETX2016 Ranger EV2015 Ranger 5702015 Ranger ETX2015 Ranger EV2014 Ranger 4002014 Ranger 5702014 Ranger 8002014 Ranger EV2013 Ranger 4002013 Ranger 5002013 Ranger 8002013 Ranger EV2012 Ranger 4002012 Ranger 5002012 Ranger EV2011 Ranger 4002011 Ranger 5002011 Ranger EV
Full-Size Vehicle2025 Ranger 10002025 Ranger 5702025 Ranger XP 1000 (Includes Northstar)2024 Ranger 10002024 Ranger 5702024 Ranger Kinetic2024 Ranger XP 1000 (Includes Northstar)2023 Ranger 10002023 Ranger 5702023 Ranger Kinetic2023 Ranger XP 1000 (Includes Northstar)2022 Ranger 10002022 Ranger 5702022 Ranger XP 1000 (Includes Northstar)2021 Ranger 10002021 Ranger 5702021 Ranger XP 1000 (Includes Northstar)2020 Ranger 10002020 Ranger 5702020 Ranger XP 1000 (Includes Northstar)2019 Ranger 5702019 Ranger XP 1000 (Includes Northstar)2019 Ranger XP 9002018 Ranger 5702018 Ranger Diesel2018 Ranger XP 1000 (Includes Northstar)2018 Ranger XP 9002017 Ranger 5702017 Ranger 6x6 8002017 Ranger Diesel2017 Ranger XP 1000 (Includes Northstar)2017 Ranger XP 9002016 Ranger 5702016 Ranger 6x6 8002016 Ranger Diesel2016 Ranger XP 5702016 Ranger XP 9002015 Ranger 5702015 Ranger 6x6 8002015 Ranger Diesel2015 Ranger XP 9002014 Ranger 5702014 Ranger 6x6 8002014 Ranger 8002014 Ranger Diesel2014 Ranger XP 9002013 Ranger 6x6 8002013 Ranger 8002013 Ranger Diesel2013 Ranger XP 9002012 Ranger 6x6 8002012 Ranger 8002012 Ranger Diesel2011 Ranger 6x6 8002011 Ranger 8002011 Ranger Diesel2010 Ranger 5002010 Ranger 6x6 8002010 Ranger 800
Crew Vehicle2025 Ranger Crew 10002025 Ranger Crew 570-62025 Ranger Crew SP 570 (Includes Northstar)2025 Ranger Crew XD 1500 (Includes Northstar)2025 Ranger Crew XP 1000 (Includes Northstar)2024 Ranger Crew 10002024 Ranger Crew 570-62024 Ranger Crew SP 570 (Includes Northstar)2024 Ranger Crew XD 1500 (Includes Northstar)2024 Ranger Crew XP 1000 (Includes Northstar)2023 Ranger Crew 10002023 Ranger Crew 570-62023 Ranger Crew SP 570 (Includes Northstar)2023 Ranger Crew XP 1000 (Includes Northstar)2022 Ranger Crew 10002022 Ranger Crew 570-62022 Ranger Crew SP 570 (Includes Northstar)2022 Ranger Crew XP 1000 (Includes Northstar)2021 Ranger Crew 10002021 Ranger Crew 570-42021 Ranger Crew 570-62021 Ranger Crew XP 1000 (Includes Northstar)2020 Ranger Crew 10002020 Ranger Crew 570-42020 Ranger Crew 570-62020 Ranger Crew XP 1000 (Includes Northstar)2019 Ranger Crew 570-42019 Ranger Crew 570-62019 Ranger Crew 9002019 Ranger Crew XP 1000 (Includes Northstar)2018 Ranger Crew 570-42018 Ranger Crew 570-62018 Ranger Crew 9002018 Ranger Crew Diesel2018 Ranger Crew XP 1000 (Includes Northstar)2017 Ranger Crew 570-42017 Ranger Crew 570-62017 Ranger Crew 9002017 Ranger Crew Diesel2017 Ranger Crew XP 1000 (Includes Northstar)2016 Ranger Crew 570-42016 Ranger Crew 570-62016 Ranger Crew 9002016 Ranger Crew Diesel2016 Ranger Crew XP 5702015 Ranger Crew 570-42015 Ranger Crew 570-62015 Ranger Crew 9002015 Ranger Crew Diesel2014 Ranger Crew 570-42014 Ranger Crew 8002014 Ranger Crew 9002014 Ranger Crew Diesel2013 Ranger Crew 5002013 Ranger Crew 8002013 Ranger Crew Diesel2012 Ranger Crew 5002012 Ranger Crew 8002012 Ranger Crew Diesel2011 Ranger Crew 5002011 Ranger Crew 8002010 Ranger Crew 800
Pro XD2025 Ranger Crew XD 1500 (Includes Northstar)2025 Ranger XD 1500 (Includes Northstar)2024 Ranger XD 1500 (Includes Northstar)
General Vehicle2025 General 10002025 General 4 10002025 General 4 XP 10002025 General XP 10002024 General 10002024 General 4 XP 10002024 General XP 10002023 General 10002023 General 4 XP 10002023 General XP 10002022 General 10002022 General 4 10002022 General 4 XP 10002022 General XP 10002021 General 10002021 General 4 10002021 General 4 XP 10002021 General XP 10002020 General 10002020 General 1000 Sport2020 General 4 10002020 General 4 XP 10002020 General XP 10002019 General 10002019 General 4 10002018 General 10002018 General 4 10002017 General 10002017 General 4 10002016 General 1000

Questions & Answers

Reviews (0)

We're currently collecting product reviews for this item. In the meantime, here are some company reviews from our past customers sharing their overall shopping experience.

  • 5
    14K+ (79%)
  • 4
    2728 (15%)
  • 3
    695 (4%)
  • 2
    155 (1%)
  • 1
    205 (1%)
94% of customers rate this company 4- or 5-stars
Newest to Oldest
  • Highest to Lowest
  • Newest to Oldest
  • Favorite Reviews
All Ratings
  • All Ratings
  • 5 ★ Reviews
  • 4 ★ Reviews
  • 3 ★ Reviews
  • 2 ★ Reviews
  • 1 ★ Reviews
Colleen Verified Customer   
05-29-25

Ease of shopping

A Reviewer Verified Customer   
05-27-25
Mike Verified Customer   
05-27-25

It was easy to find parts and accessories specific to my Polaris

Price
5 / 5
Product Satisfaction
5 / 5
merchant choice

Prices were competitive and it was easy to find the exact parts or my Polaris

Product Choice

Lifetime guarantee

Everything Polaris Ranger offers a VIP experience for all customers

Our Polaris Experts are standing by, ready to answer questions or go into more detail about the features and benefits of this product, help you to explore similar or complementary products, confirm vehicle fitment and more.

Experience The Everything Advantage

Contact Us Today!

Phone: (920) 214-8135 - Mon-Fri 8:00AM - 6:00PM CST, Sat 9:00AM - 3:00PM CST
Email: customerservice@everythingpolarisranger.com
Text: (920) 644-5280

Warning: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.