🎶 Unleash your soundtrack—anywhere, anytime, unstoppable sound!
The Monster S320 Bluetooth Speaker delivers 40W of true wireless stereo sound with immersive 360° audio, engineered by sound experts for rich bass and crystal-clear highs. Its IPX7 waterproof rating ensures rugged durability for all outdoor adventures, while a 32-hour battery life keeps your music flowing from dawn till dusk. Perfectly portable and easy to pair, it’s the ultimate companion for professionals who demand premium sound on the move.
| ASIN | B0FVM2TB51 |
| Audio Driver Type | Dynamic Driver |
| Batteries | 1 A batteries required. (included) |
| Best Sellers Rank | #2,024 in Portable Bluetooth Speakers #13,908 in MP3 & MP4 Player Accessories |
| Bluetooth Range | 10 Meters |
| Bluetooth Version | 5.0 |
| Color | Black |
| Compatible Devices | Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop |
| Control Method | Push Button |
| Customer Reviews | 4.6 4.6 out of 5 stars (34) |
| Date First Available | October 10, 2025 |
| Included Components | 1 x Bluetooth Speaker, 1 x Charging Cable, Quick Start Guide |
| Indoor/Outdoor Usage | Outdoor |
| Is Waterproof | True |
| Item Weight | 1.58 pounds |
| Item model number | S320 |
| Manufacturer | Monster |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Model Name | S320 |
| Mounting Type | Floor Standing |
| Number Of Circuits | 1 |
| Number of Batteries | 1 A batteries required. (included) |
| Number of Items | 1 |
| Power Source | Battery Powered |
| Product Dimensions | 4.1"D x 4.1"W x 8.6"H |
| Recommended Uses For Product | For Outdoor Activities, For Parties, For Smartphones or Tablets, For MP3 Players, For Computers, For Televisions |
| Series Number | 1200 |
| Shape | rectangular prism |
| Speaker Size | 40 Millimeters |
| Speaker Type | Outdoor |
| Special Feature | Portable, Waterproof |
| Specific Uses For Product | Outdoor activities, parties, and shower speaker |
| Style | Monster S320 Bluetooth Speaker |
| Subwoofer Connectivity Technology | Wireless |
| Surround Sound Channel Configuration | 2.0 |
| Unit Count | 1.0 Count |
| Warranty Type | Limited |
| Water Resistance Level | Waterproof |
| Wireless Communication Technology | Bluetooth |
D**D
It's loud with good sound qaulity
It's definitely loud for its size. Haven't had it long enough to know the battery life yet but I'm pleased with sound qaulity and how loud it is.
R**E
Suena muy bien. Llenas todo el Espacio con buen sonido
I**A
Esta bocina no tiene un volumen muy bajo, no se escucha muy fuerte
E**E
Muy buen sonido
S**S
Sound quality
Better options for sound
L**R
Easy to take it everywhere
Compact but powerful speaker. The sound is crisp, bass is solid for its size, and it connects quickly. Feels well built, portable, and works great indoors or outside. Very happy with it
S**Y
Good quality and easy setup
This is exactly what I am looking for. It’s perfect for camping and the sound quality is great.
M**H
Great product
Love it,tried it right away. Easy to connect with the phone.
Y**I
I’m honestly blown away by this Monster S320 Bluetooth speaker. The sound quality is far better than I expected — loud, clear, and with surprisingly strong bass for its size. The 360° audio really fills the room, and pairing it with my phone was super quick and easy. The build quality feels solid and premium. I’ve already taken it outdoors a few times and the IPX7 waterproof rating is no joke — it handled splashes without any issues. The battery life is also fantastic. I’ve used it for several evenings in a row without needing to recharge. Overall, this speaker is an amazing value for the price. Portable, powerful, and reliable. Highly recommend!
H**N
The sound is excellent. Exactly what we were looking for.
T**T
Got on Black Friday sale so decent deal. Good battery life but a bit disappointed with the bass. There really isn’t much. Have “lesser” brands that have better all sound quality. Have yet to test the water resistance but hope it will be good for camping. If on sale consider. If not, I’d say it’s a pass.
S**I
Love the product
P**A
Amazing sound quality with deep bass and clear vocals! The 360° stereo effect really fills the room, and the battery lasts impressively long. Perfect for outdoor use — sturdy, waterproof, and super easy to connect via Bluetooth. Totally worth it!
Trustpilot
4 days ago
3 days ago