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Description
PRO-X 4" Shallow Mid-Range Bullet Loudspeaker 100 Watts Rms 4-OhmDS18 PRO X4. 4BMSL PRO X 4" Slim Mid Range Loudspeaker with Bullet 200 Watts 4 Ohm The PRO X4. 4BM is back with a sleek new design to boost your sound systems volume to EXTREME levels. The PRO X4. 4BMSL has everything you love about the original but has been sized down for versatile application in any concert quality build. Play this speaker as long as you want, the 1 Kapton Voice Coil this speaker comes equipped with handles high temperatures
DS18 PRO-X4.4BMSL PRO-X 4" Slim Mid-Range Loudspeaker with Bullet 200 Watts 4-Ohm
The PRO-X4.4BM is back with a sleek new design to boost your sound system’s volume to EXTREME levels. The PRO-X4.4BMSL has everything you love about the original but has been sized down for versatile application in any concert-quality build.
Play this speaker as long as you want, the 1” Kapton Voice Coil this speaker comes equipped with handles high temperatures throughout the longest of jam sessions.
Turn this speaker to it’s MAX to get the most out of its 89 dB sensitivity! Without distortion it’s easy to notice the richness and accuracy of the tones reproduced by this speaker.
This speaker’s reduced mounting depth and RMS Power Rating of 100 W making it easily applicable into any build. The PRO-X4.4BMSL also has a MAX Power Rating of 200 W allowing it the freedom of heavy consistent usage.
Add this speaker to your build for crystal clear clarity at the most extreme volume levels!
Highlights
- Experience frequencies as low as 260Hz and as high as 11.5KHz with this speakers Bullet Resonator
- MAX Power Handling: 200 W
- RMS Power Handling: 100 W
- The high 89 dB sensitivity helps this speaker deliver the most accurate tones at extreme volumes
Great For
- Car Audio
- Pro Audio
- Motorcycle Audio
Technical Details
Download PRO-X4.4BMSL Product Manual
| SPECIFICATIONS | |
| Nominal Diameter | 4" / 101.6mm |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 100W |
| MAX Power Handling | 200W |
| Sensitivity (1w/1m) | 89dB |
| Frequency Response | 260Hz - 11.5KHz |
| Recommended HI Pass Crossover | 280Hz |
| Sold in Pair/Single | Single |
| MOTOR | |
| Voice Coil Diameter | 1" / 25.4mm |
| Voice Coil Former Material | Kapton |
| Winding Material | CCAW |
| Cone Material | Paper |
| Bullet Material | Aluminum |
| Bullet Color/Finish | Gloss Red |
| Surround Material | Cloth |
| Basket Material | Steel |
| Basket Finish / Color | Red / Gloss |
| Magnet Material | Ferrite |
| Magnet Weight | 6 Oz |
| Displacement Volume | 0.524L / 0.0185ft3 |
| MEASUREMENT | |
| Overall Diameter | 4.11" / 104.5mm |
| Overall Depth | 1.74" / 44.3mm |
| Front Mount Baffle Cutout | 4" / 102.3mm |
| Mounting Depth | 1.63" / 41.4mm |
| Motor Diameter | 2.75" / 70mm |
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
4.3 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 5
Bones
Color: 1 PC-Beef-Red
Yes bone 🍖 is very strong and durable MIA, Rocky and Rambo love them ..
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Reviewed in the United States on June 9, 2026
★★★★★ 4
Smaller than pictured but still a good choice for LG-XL dogs/power chewers!
Color: 3 PC-Beef-Red, Color: 3 PC-Beef-Red
Fantastic that these come in a 3 pack - I wish more chew toys did this! The base for these chew toys is pretty tough! The center & ends are hard enough to withstand both my bully mixes & my Irish wolfhound/Great Dane cross. They’re safe enough for even the largest power chewers! (With Supervision) my American Bully got the rubber spikes chewed off in under 20 minutes which is mildly disappointing but he’s a true powerhouse & master destroyer of all chews so I’m not that bent out of shape about it. I do wish they were as large as they appear in the ad pics but isn’t that the game we all play ordering offline anymore? 🤷🏻♀️
• Pro Tip: smear this toy in peanut butter (xylitol free!), wet food mixed into a slurry with water or bone broth + kibble/treats, yogurt, or even pumpkin puree and freeze for a few hours & relax while watching all the organic engagement your dog gets out of this toy!
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Reviewed in the United States on June 3, 2026
★★★★★ 5
My dog loves it
Color: 1 PC-Beef-Red, Color: 1 PC-Beef-Red
The bone arrived today and my dog loves it.
He is a very aggressive chewer and destroyed almost all his toys so far, even toys that were advertised for aggressive chewers unfortunately didn't held out long, the longest so far was a stuffy we couldn't find anymore and that one lasted him a few weeks but everything else lasted him an hour up to a few days max, even bones don't last him long so we have our hopes set on this bone to satisfy his chewing needs.
I will update my review later on sturdiness, since we just got it and I can't review that yet but so far he loves it he has been chewing on it non stop, he already managed to get very small pieces of as shown in picture but with a regular bone he would've already been much much further.
The bone is only 10 bucks so the value for money you get based on my experience so far is amazing! But also for this I will come back later to touch upon more.
The size is good, our boy is a medium sized dog and this bone was advertised for medium to large size dogs and I thinks the size is just right for our boy .
And there is definitely a beef flavor on it you can smell it but it doesn't smell bad it's a nice smell and not very strong but when he is chewing on it you smell it.
I would based on my experience so far definitely recommend this bone but also on this I will touch back upon later if it's worth it in the long run.
So far a very happy dog and owners here.
Edit on May 8th (original review was on March 11th)
He still hasn't managed to destroy it it's the first (cgew)toy he hasn't managed to destroy yet which is very impressive since he managed to destroy the even most toughest things we got for him in a week tops and bones within 1, 2 days tops, so we are very happy and pleased with this bone and will definitely get more later.
He still enjoys chewing on it and leaves our things mostly alone for some reason he just likes stealing my things and chew on it lol.
So 2 months later still stand by recommending this when your dog loves to chew and destroys everything he puts his mouth on.
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Extremely durable, dogs love them
Color: 2 PC-Beef-Red, Color: 2 PC-Beef-Red
I was looking for the toughest and most durable dog chew bone I could find and this is it. I have bought multiple other brands that claim to be very durable and tough for a very long time and this is the one for sure. The shower has described this phone accurately and it truly does last. I purchased this bone about 2 months ago. As you see from the photos attached, this is a very well made chew bone and my aggressive pitbulls can't tear it apart do they try. They never get tired of it and chewing it every single day for hours on and keeping them very occupied. I have two bones and three pitbulls that chew on it every day. It is so adorable and has an awesome flavor to it which I think entices them even more to want to chew on it. The durability and Lasting power is amazing to me with these tough chewers. I highly recommend this product to everyone out there. I will say only one negative and that is that the middle wraparound piece they were able to pull off but that is not a big deal because there is plenty of bone which was under that cover in the middle of the bone. There's a few mauled chips missing from the ends but the life of this bone is obviously going to be a long time which really surprised me. Give it a shot if you have heavy duty chewers and you will find how awesome this phone really is and it's durability and strength our second to none in my opinion.
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Reviewed in the United States on September 5, 2025
★★★★★ 5
My dog loves it.
Color: 1 PC-Beef-Red
My dog is a super aggressive chewer when it comes to toys. Anything that is soft he rips apart. This one has a wonderful squeaky sound that makes him happy and he enjoys the smell of it. This is a very strong material and definitely worth the price.
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Reviewed in the United States on May 10, 2026