Monster S620 Bluetooth Speaker, Wireless Portable Outdoor Bluetooth Speakers, 60W True Wireless Stereo IPX8 Waterproof, Dual PairingBluetooth 5.4 Built-in Mic, Perfect for Home, Blue
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Color: Deep blue
Features
- Monster Speaker Monster S620 Bluetooth speakers, meticulously crafted by Noel Lee and the Monster design team in the United States, leverage 40 years of audio engineering experience. These finely tuned speakers deliver 60W of audio output power and 360 stereo sound, providing a truly cinematic surround sound experience and immersive music enjoyment.
- True Wireless Speaker True wireless stereo speaker supports Bluetooth 5.4, allowing you to easily pair two portable speakers and instantly upgrade to 120W of stereo surround sound. It delivers true 360 dualenhanced stereo, making it perfect for parties or for relaxing at home while enjoying highquality music.
- Multifunctional Speaker This multi-functional speaker Bluetooth 5.4 connectivity and TF card input, giving you the flexibility to play music from various audio sources. It's IPX8 waterproof, portable, and durable. Hands-free calling is supported, so you can easily make and receive calls whether you're in a meeting, driving, or busy with other tasks. With multiple connectivity options, this versatile device meets all your needs, ensuring you can enjoy your favorite music anytime, anywhere.
- Portable Bluetooth Speaker Bluetooth wireless speaker comes with a convenient lanyard for easy carrying. It can be easily placed in a backpack, secured to a bicycle, or hung anywhere via the braided strap. It's ideal for outdoor adventures, camping, beach vacations, poolside activities, golf, and more. Its robust construction ensures durability. It measures 8.59 inches (D) x 3.29 inches (W) x 3.29 inches (H) and weighs 1.62 pounds. The package includes a Type-C charging cable, a quick start guide, and lifetime technical support.
- Outdoor Bluetooth Speaker Multifunctional design allows it to be placed vertically or sideways. Two EQ modes (indoor and outdoor) let you switch freely according to your preference. If you prefer deep bass, switch to indoor mode for rich bass; outdoor mode delivers dynamic treble. You'll love this wireless speaker.
Brand: Monster
Speaker Maximum Output Power: 60 watts
Frequency Response: 80 hertz
Connectivity Technology: Bluetooth
Audio Output Mode: Stereo
Audio Output Mode: Stereo
Mounting Type: Tabletop Mount
Speaker Type: Portable Speaker
Additional Features: Waterproof
Antenna Location: For Music Players
Color: Deep blue
Is Waterproof: true
Maximum Range: 33 feet
Control Method: Push Button
Speaker Size: 8.58 inches
Water Resistance Level: Waterproof
Bluetooth Range: 33 feet
Specific Uses For Product: outdoor adventures, camping, beach vacations, poolside activities, home entertainment, parties
Frequency Response: 80 hertz
Connectivity Technology: Bluetooth
Wireless Technology: Bluetooth
Connectivity Protocol: Bluetooth
Power Source: Battery Powered
Brand: Monster
Model Number: MS62120
Model Name: MS62120
Built-In Media: Quick Start Guide
Warranty Description: 365 days
Number of Items: 1
UPC: 070847100935
Manufacturer: Jonter
Speaker Maximum Output Power: 60 watts
Unit Count: 1 Count
Item Dimensions D x W x H: 3.15"D x 3.15"W x 8.58"H
Compatible Devices: Desktop
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
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View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Highly Recommended Bluetooth Speaker – Excellent Sound and Great Value I recently purchased the Monster S620 Bluetooth Speaker, and I am very impressed with its overall performance. After using it for several days, I can confidently say that this speaker delivers excellent sound quality, reliable connectivity, and great portability at a reasonable price. The audio output is clear, balanced, and surprisingly powerful for a speaker of this size. Whether listening to music, podcasts, or watching videos, the sound remains crisp with good bass and minimal distortion even at higher volume levels. The Bluetooth connection is quick and stable, allowing seamless pairing with smartphones, tablets, and other devices
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Reviewed in the United States on June 26, 2026 by Akshitha gupta
My husband bought this for me for Mother’s Day and it did not disappoint. Recharges rather quickly and lasts all day out by the pool. Quality sound and definitely under priced! It’s louder and better sound than my more expensive one and lasts longer. Easily connects to my phone. Would highly recommend!
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Reviewed in the United States on July 27, 2026 by Liz W
I bought a stereo pair. These really pack a punch. I upgraded from 2 Anker Soundcore Select 2S's. These are louder. The Bass is surprising as well as the overall volume. I initially had issues getting the stereo pair to play from an iPhone 13 but worked fine from my S25Ultra from the get go so cant blame the speakers for that. I use these around my pool area in the front yard and they are perfect for that. Have forgotten them out in the rain with no issues as well. I thought no app would be a bummer but i have not had any issues with that. The battery life is so so...nothing to write home about. All in all, good value and I would buy again.
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Reviewed in the United States on June 29, 2026 by Lyle
The sound quality is excellent. I took a star away for a minor but annoying problem. The increments of volume are too far apart. One click separates medium and loud. When you’re trying to find that sweet volume spot, it is difficult not to get frustrated jumping back and forth between too loud and not loud enough. As for the sound quality, it’s got an impressive range without distortion or cage rattle, though I admit I have not put the volume at test levels yet. I prefer my music without the bass-boosting feature, but it’s nice to know it’s available in the event I need to shake loose a few more screws around here.
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Reviewed in the United States on May 16, 2026 by deValcourt
I am a fan of the 3 letter named speakers for sound quality. Have had one for 3 years and now battery won't keep charge anymore. If it was cost effective to replace the rechargeable battery, i would. So, saw this speaker and said will give a try at more than half the price. Got first and was so impressed I got the 2nd to pair them...both speakers cost less than one 3 letter brand. Only thing missing is the equalizer app. The plus, if you use it, is the SanDisk. The ability to switch the bass level is really all you need. Remember the price; got 2 for the price of 1 of higher end brand. And my friends agree they sound awesome.
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Reviewed in the United States on June 3, 2026 by Lenny Dumais
This is my third Monster Bluetooth speaker, and it definitely doesn't disappoint. My old Monster this size is around 7 years old. It functions flawlessly, but I've been replacing items here and there that charge with micro USB. I travel for a living and get tired of keeping up with charge cables for one or two devices! With that said, for 40 bucks, this thing is great, and has better sound quality than my old speaker. I like that it can be stood up as a tower with no noticeable degradation of sound quality. Set up was a breeze and controls are easy to use. Micro SD slot is a feature that I didn't even realize it had prior to purchasing. My only very minor complaint is that it doesn't have a solid base to set on; it'd be easy to roll around in some situations I can imagine, but overall it's fantastic!
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Reviewed in the United States on July 20, 2026 by Derek M. White
It seems well made, easy to connect, easy to use and low cost so for that I give 3 stars; however, I'm not impressed with the sound quality (sounds like an old school portable radio), and it does have a little distortion at higher volumes, But I will keep and use it in the garage.
Reviewed in the United States on July 29, 2026 by Lab Lover
Excellent speaker, perfect for camping. It doesn't get extremely loud, but the sound is perfect—neither too loud nor too quiet. The sound quality is very clear, and the highs are excellent. It’s very easy to connect, and the battery lasts a long time
Reviewed in the United States on July 20, 2026 by Mari