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Description
Rockford Fosgate M2-300X4 300 Watt 4 Channel Marine AmpDesigned to withstand the elements, the M2 300X4 Element Ready amplifier is a 300 watt, full range class D model, capable of operating at 4 or 2 stereo, and 4 bridged mono. This amplifier is extremely efficient because of its class D technology which reduces demand on the electrical system. The amp also features C. L. E. A. N. circuitry to help you adjust your gain settings, a P. O. W. E. R. Supply that generates more power as voltage increases. The
Designed to withstand the elements, the M2-300X4 Element Ready™ amplifier is a 300 watt, full-range class-D model, capable of operating at 4Ω or 2Ω stereo, and 4Ω bridged/mono. This amplifier is extremely efficient because of its class D technology which reduces demand on the electrical system. The amp also features C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. Supply that generates more power as voltage increases.
The M2 Series were developed for marine audio environments that feature UV resistant protection and special internal conformal coating that protect the electronics from water. It’s designed for those who want a reliable amplifier – with all the power and performance you’ve come to expect from Rockford Fosgate – at an economical price. Rockford Fosgate amplifiers are renowned world-wide for being “under rated,” easily surpassing all specifications, and most importantly, generating more power than their ratings. The latest generation of M2 Series amplifiers are also designed to be easy to setup and configure, making them perfect for use in any application.
Key Points
- 4-channel marine amplifier
- 50 watts RMS x 4 at 4 ohms
- 75 watts RMS x 4 at 2 ohms
- 150 watts RMS x 2 bridged at 4 ohms (4-ohm stable in bridged mode)
- CTA-2006 compliant
- Class-D amplifier design
- Variable high- and low-pass filters (50-250 Hz, 12 dB/octave)
- Marine features:
- Element Ready™ chassis and conformal-coated PC boards
- UV stable powder-coated cast-aluminum heatsink
- Zinc nickel-plated marine-grade brass connection terminals
Features
- Element Ready™ design protects against outdoor exposure
- UV stable powder coated cast aluminum heatsink
- Conformal coated circuit board protects against dust and water
- Clean input/output clip detection and indicator LEDs
- Zinc Nickel-plated Marine grade brass connection terminals
- Optimized using AudioGraph PowerCube measurement tool
- Top Mounted Control Panel
- Focused mass heat sink allows critical aluminum material to be located around hottest internal devices
- Fully Adjustable 12 dB/octave High and Low pass Butterworth Crossovers
- Short Circuit & Over Current Protection
- 2/4 channel input switch
- Integrated Power and Speaker Terminals
- Balanced Differential Inputs eliminates noise picked up by signal cables
- RCA pass-thru outputs
- Integration with OEM and Aftermarket Radios
- "Auto-Sense" turn-on with remote out (high level in)
- Auto-Sense bypass switch for vehicles with RAP (Retained Accessory Power)
- Low Impedance Stability
- Quality & Performance tested using proprietary RATS (Rockford Automated Testing System)
- CEA-2006 Compliant & CE Compliant
- 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 | 70 dB |
| Input Voltage | 14.4v |
| Peak Power Output (Watts x Channels) | N/A |
| Power at 2 Ohms (Watts x Channels) | 75 x 4 |
| Bridged Power (Watts x Channels) | 150 x 2 |
| Minimum Impedance Bridged | 4 |
| Minimum Impedance Unbridged | 2 |
Features
| Amplifier Class | D |
| 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 | No |
| Bass Boost Frequency | N/A |
| Fan Cooled | No |
| Fuse Rating | 60 |
| Speaker Level Inputs | Yes |
| Preamp Outputs | 2 |
| Height (inches) | 2 |
| Width (inches) | 10/1/2016 |
| Depth (inches) | 7/3/2004 |
| Parts Warranty | 2 Years |
| Labor Warranty | 2 Years |
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
4.1 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
MY DOGS LOVE THIS TOOTHPASTE!!
Flavor Name: Poultry, Size: 2.5 Ounce (Pack of 1)
I Have 3 Siberian Huskies and Recently Adopted a Senior That Had MAJOR Dental Issues When I Adopted Her! After My Newly Adopted Senior Had to Have 11 Teeth Extracted, My Veterinarian Recommended Using This Specific Toothpaste to Brush All of My Dogs Teeth With. My Veterinarian Was Going to Charge Me $25.00 For ONE Tube of This Toothpaste Through Her Veterinary Clinic! I Am So GLAD I Checked Amazon and Found it Here So Much Cheaper Than What My Veterinarian Was Going to Charge Me! I Can Get 2 Tubes Here For Less Than What My Veterinarian Was Going to Charge Me For ONE Tube!! I'm Not Going to Lie, It Was a CHALLENGE Getting My Dogs Used to Getting Their Teeth Brushed, But They All LOVE The Poultry Flavored Toothpaste, and After 2 Weeks of Consistently Brushing All of Their Teeth Every Evening, all of my Dogs Got Used to the Process and Now They Actually Get Excited When they see the toothbrush and Toothpaste come out of the cabinet and they will LITERALLY Line up for their turn! All of them LOVE the Flavor of this Toothpaste and all of their teeth are looking Alot cleaner and there's less tartar build up on them since Using this Toothpaste! My dogs get so EXCITED when it's time to brush their teeth every evening! I think that THEY think it's an after dinner Treat for them! This Toothpaste works VERY WELL & My Dogs Teeth look so much Better since I started using this Toothpaste and they all LOVE the Flavor! 5 Stars All the Way For This Item!! I Will CONTINUE to Buy & Use This Toothpaste! Happy Huskies & a Happy Husky Momma Here!
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Amazing Product - Dog Loves it
Flavor Name: Poultry, Size: 2.5 Ounce (Pack of 1)
My dog loves the flavor and enjoys getting her teeth brushed now. With her old toothpaste, she would barely let me brush her teeth and then she would be hyper afterward. Now she enjoys it and it’s fairly calm once we’re finished.
It works so well. She had a bunch of tartar/plaque on her back teeth and a little on her canines. We’ve been using plaque-off powder, but it barely works. After a few weeks of using this, she has no more calcifications on her teeth. She has some staining left over from previous calcifications. I wish I had tried this sooner so her teeth stayed pearly white.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
This is the best dental product on the market!
Flavor Name: Poultry, Size: 2.5 Ounce (Pack of 1), Flavor Name: Poultry, Size: 2.5 Ounce (Pack of 1)
I rarely take the time to review so if I do I think that it's because it's something people need to hear. I have and have had many animals. For years I have been trying to find a way to brush our dog's teeth beyond minties, because while those are great it's not enough.
I've bought over ten different products that have ended up in the trash. I gave up, but we recently added two new puppies. Our current dog line up after our senior passed is a 1 year old Shiba female, a 12 week old Japanese American Akita, and an 11 week sable Pomeranian.
As I've done more research Poms especially are prone to dental issues so regular complete dental care is important. So I went back to the sea of products.. I ended up getting hicc silicone finger scrubs and a toothpaste that they all gagged at. So another toothpaste thrown away.. I decided to keep the fingers Incase I could find something else.
Chatgpt actually recommended this specific toothpaste, I figured I'd try it even though I didn't have high hopes. Infact it actually sat in my petcare box for a bit because of that. Today I finally tried it and it's Amazing, not one, but all three very finicky opinionated babies love it! Like obsessed. I mean not just picking but actually chewing and letting my brush their teeth, each didn't wanna stop.
I am so impressed. Not only am I taking care of their dental hygiene but it's an enjoyable treat to them. The tube is huge(human toothpaste size), I can tell it'll last us a very long time. It's affordable. It doesn't stink either. I purchased the poultry one I believe because I thought it was a good place to start and it was an instant hit.
So save yourself the headache and wasting money on different pastes and brushes. Get hicc finger brushes and one of these and I promise you'll never have to fight to take care of your babies teeth again. Plus, no stinky breath and the product it's self doesn't stink. I would legitimately say this is in my top 5 of best purchases this year.
Hope this helps someone out there struggling like I was(:
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Reviewed in the United States on April 11, 2026
★★★★★ 4
The “Please Brush Your Cat’s Teeth Without Losing a Finger” Solution
Flavor Name: Poultry, Size: 2.5 Ounce (Pack of 1)
Let’s be real—brushing a cat’s teeth sounds like something you agree to before you fully understand what you’ve signed up for. This toothpaste is basically here to make that whole situation slightly less chaotic.
The first thing that makes this stand out compared to a lot of other pet toothpastes is that it’s enzymatic, meaning it doesn’t just “scrub” teeth—it helps break down plaque using a dual-enzyme system that works with your pet’s saliva. That’s why vets recommend it so often: it’s doing actual chemistry in your cat’s mouth instead of just pretending to clean things with minty hope.
Another big win is the poultry flavor. And yes, that sounds weird for humans, but for cats and dogs it’s basically “treat mode unlocked.” A lot of pet toothpastes fail immediately because animals take one sniff and decide dental hygiene is a personal insult. This one is actually accepted by many pets, which makes brushing less of a wrestling match and more of a “bribe situation.”
What also makes it better than cheaper or generic options is what it doesn’t have—there are no foaming agents and no harsh ingredients, so it’s safe if your pet swallows it (which, let’s be honest, most of them will). That alone saves you from the panic of “did my cat just eat toothpaste??” every time.
Now, the honest part: this is not magic. If you think you’re going to squeeze this onto a toothbrush once a week and end up with Hollywood-white cat teeth, no. It works best when used consistently, ideally with some actual brushing, not just letting your cat lick it off your finger like it’s dessert (although, yes, many cats will try exactly that).
Also, some cats still act like you’re personally ruining their life the moment a toothbrush appears. This product does not fix cat personality disorders. It just makes the process less miserable.
Where it really shines is that it sits in this sweet spot between “vet-level serious” and “actually usable at home.” Cheaper toothpaste often feels like flavored gel with optimism. This one feels like it was made by people who have actually tried brushing a cat that doesn’t respect authority.
Compared to similar products, it wins on three things: real enzymatic action, high pet acceptance rate, and vet-backed credibility. It’s not the cheapest, but it’s one of the few where you feel like your effort is actually doing something instead of just negotiating with a tiny furry dictator.
No toothpaste on earth can fully solve the “my cat refuses cooperation on principle” problem. But in everything it can control? This is one of the best options out there.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
This stuff is amazing!
Flavor Name: Poultry, Size: 2.5 Ounce (Pack of 1)
This stuff is the best I’ve found over all other pastes, powders, and chews. My standard doodle had some nasty plaque buildup on his back molars. I tried everything to clean them up but nothing seemed to work. After reading about this stuff I decided to give it a try. I use it once a day with a finger cot. I’m just about done with the first tube and the results are amazing! The plaque is almost entirely gone and he loves the taste of this stuff. Just ordered my second tube. Very happy!!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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