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Description
Rockford Fosgate PM400X4 Punch Series 400 Watt 4 Channel Marine AmplifierThe 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. 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
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.
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.
Key Points
- 4-channel marine amplifier
- 50 watts RMS x 4 at 4 ohms (400 watts peak)
- 100 watts RMS x 4 at 2 ohms
- 200 watts RMS x 2 at 4 ohms (bridged)
- CEA-2006 compliant
- Class AB amp technology
- Conformal-coated circuit board — suitable for powersports and
- Marine applications
- Marine-grade stainless steel hardware
- Hidden top-mount control panel
- Clean set-up technology with LED input/output indicators
- Speaker-level inputs (speaker wire to RCA adapter required)
- Variable low-pass and high-pass filters
- Frequency response: 20-20,000 Hz
- Built-in Punch EQ with +18dB boost @ 45Hz
- Fuse rating: 60A x 1 (fuse not included)
- Dimensions: 11-1/16"W x 2-7/16"H x 8-13/16"D
- Warranty: 1 year
- Our 60-day money-back guarantee
- MFR # PM400X4
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
- 2-Year Warranty
Specifications
Performance
| RMS Power Output (Watts x Channels) | 50 x 4 |
| Frequency Response at Rated RMS Power | 20-20k Hz |
| THD at Rated RMS Power | 1% |
| Signal to Noise Ratio | N/A |
| Input Voltage | 14.4v |
| Peak Power Output (Watts x Channels) | N/A |
| Power at 2 Ohms (Watts x Channels) | 100 x 4 |
| Bridged Power (Watts x Channels) | 200 x 2 |
| Minimum Impedance Bridged | 4 |
| Minimum Impedance Unbridged | 2 |
Features
| Amplifier Class | AB |
| Low-Pass Crossover Frequency | 50-250 Hz |
| Low-Pass Slope (dB/octave) | 12 dB/octave |
| High-Pass Crossover Frequency | 50-250 Hz |
| High-Pass Slope (dB/octave) | 12 dB/octave |
| Bass Boost | 0-18 dB |
| Bass Boost Frequency | 45 Hz |
| Fan Cooled | No |
| Fuse Rating | 60 |
| Speaker Level Inputs | Yes |
| Preamp Outputs | No |
| Height (inches) | 2/7/2016 |
| Width (inches) | 11/1/2016 |
| Depth (inches) | 8/13/2016 |
| Parts Warranty | 1 Year |
| Labor Warranty | 1 Year |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Best dog toy!
Color: Multicolor/Alligator & Wild Duck, Size: Medium, Color: Multicolor/Alligator & Wild Duck, Size: Medium
Best dog toy! Most dog toys lady maybe a week or less but this one has been going strong for almost 2 months. Both the squeekers still work on both toys i purchased. My vizsla loves ti squeek and carry it around. We added an empty water bottle in the pocket cavity for some extra fun! Yes, we are still on the same water bottle! Fantastic durability.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 3
Shows wear quickly
Color: Multicolor/Sheep & Cow, Size: Medium
These are cute but not holding up as well as I had hoped. Quality is ok and the Velcro has held up great. The fabric just isn’t as good as it could be. They are much larger than expected.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Super Sturdy with hours of fun.
Color: Wild Duck, Hare, Squirrel & Alligator, Size: Small
I got the small ones that you cannot put a water bottle in.
These toys have held up way better than expected. I am dog sitting a very rough with toys dog named Chunk. He tears up ever. Single. Toy my dog (Ted) has.
I bought new ones just for chunk. These appealed to me with the no stuffing, They were cheaper, and have a squeaker. Everything chunk needed. They arrived on time and I thought I wasted my money. They were super soft, like too soft. They felt flimsy and weak. Like 5 minutes with chunk and they be dead. 2 hours with my dog and they would have a rip. So far 2 of them (I set two out) have lasted the whole weekend. The bunny looks very rough and disgusting, but no rips, the squeakers still work, and no random fluff everywhere. I am going to wash the bunny once chunk leaves.
My very careful doggo Ted loves them too. He throws them up in the air and catches them, plays tug of war with them, and no rips. They are super sturdy. He can’t wait until Chunk leaves (chunk is 2 and Ted is 12-13) so he can play with them.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
Loved it
Color: Brown/Wild Duck, Size: Large, Color: Brown/Wild Duck, Size: Large
He loved it so much, he destroyed it so we ordered another.
I didn't realize that you can stick an empty water bottle inside.
Again, the first one didn't last long, but he enjoyed it
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Very fun interactive toy
Color: Brown/Wild Duck, Size: Medium
This toy is very versatile. There's no stuffing yet it's very soft so it can be used as a tug toy. It also makes for a fun fetch toy because it has a cavity to put a water bottle. It gives your dog something that crinkles and can be pierced when bitten and easily replaced with another empty bottle whenever necessary.
That is what really makes this toy the standout of all the ones offered by Best Pet imo. I don't expect this to last forever but once my pup gets bigger we'll probably get the large size for her because there's not too many all in one fetch and tug toys at an affordable price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
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