Magnavox
Magnavox 813400 MMA3929 - Waterproof Portable Bluetooth Speaker - Black
★★★★★
20WUSB-CIP66
Enjoy 360° Sound Anywhere with Waterproof DurabilityCelebrate a century of audio excellence with the Magnavox MMA3929 Waterproof Portable Bluetooth Speaker. Delivering 360° virtual surround sound and enhanced bass, this speaker ensures an immersive listening experience. Its rugged design and long...
$22.00*
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*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.
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Overview
Enjoy 360° Sound Anywhere with Waterproof Durability
Celebrate a century of audio excellence with the Magnavox MMA3929 Waterproof Portable Bluetooth Speaker. Delivering 360° virtual surround sound and enhanced bass, this speaker ensures an immersive listening experience. Its rugged design and long-lasting battery make it perfect for outdoor adventures and indoor enjoyment.
- Bluetooth Version: 5.0
- Output Power: Total 20W RMS (2 x 10W)
- Battery Life: Built-in 12 hours rechargeable battery
- Sound Technology: Advanced Digital Signal Processing (DSP)
- Waterproof Level: IP66 (Dust protection / waterproof)
- Connectivity: Micro SD slot for audio playback, 3.5mm aux in port
- Features: Supports TWS function for connecting two speakers simultaneously
Key Features
Wireless Bluetooth Speaker with Advanced Features**: This Magnavox MMA3929 speaker bluetooth wireless offers 20W RMS output and Advanced Digital Signal Processing (DSP) for a Hi-Fi sound experience. The speaker is the ultimate bluetooth speaker for iPhone and all smartphone users.
Speakers Bluetooth Wireless Loud with Bass**: Enhanced with a Passive Radiator, this portable wireless speaker delivers deep bass and DSP 360 BIG Stereo Sound, perfect for an immersive listening experience.
Versatile Connectivity Options**: This bluetooth speaker with aux input comes with a built-in Micro SD slot and a USB to USB-C charging cable, making it a highly versatile mobile speaker. It also allows pairing with another speaker for amplified sound.
Built for Durability and Convenience**: With an IP66 waterproof and dust protection level, this rechargeable bluetooth speaker is an ideal outdoor bluetooth speaker for beach outings, hikes, and more. The retractable clip lets you hang it easily, making it a great travel speakers bluetooth wireless option.
Long-lasting Battery and Universal Compatibility**: A built-in 12-hour rechargeable battery ensures you can keep the party going all day and night. Designed to be the ultimate blue tooth speaker wireless for iPhone and other devices, it’s the small bluetooth speaker that packs a punch.
Specifications
Output Power
20W RMS
Sound Technology
Advanced Digital Signal Processing (DSP)
Bass Enhancement
Passive Radiator
Stereo Sound
DSP 360 BIG Stereo Sound
Connectivity
Wireless Bluetooth, Micro SD slot, Aux Input
Charging Cable Type
USB to USB-C
Waterproof & Dust Protection Level
IP66
Battery Life
12 hours
Battery Type
Rechargeable
Additional Features
Retractable Clip, Speaker Pairing capability
Pros & Cons
👍 Pros
- Delivers 20W RMS output with Advanced Digital Signal Processing (DSP) for a Hi-Fi sound experience.
- Enhanced with a Passive Radiator for deep bass and DSP 360 BIG Stereo Sound, creating an immersive listening experience.
- Offers versatile connectivity with a built-in Micro SD slot, aux input, and USB to USB-C charging cable.
- Features an IP66 waterproof and dust protection level, making it durable and suitable for outdoor environments like beaches and hikes.
- Equipped with a retractable clip for easy hanging, enhancing its portability as a travel speaker.
- Provides a long-lasting built-in rechargeable battery that offers up to 12 hours of playtime.
- Allows for pairing with another identical speaker to amplify sound for a more expansive audio setup.
👎 Cons
- The 20W RMS output, while strong for a portable speaker, may not be sufficient for very large outdoor gatherings or noisy environments.
- While waterproof and dust-protected, the IP66 rating means it can withstand jets of water but is not designed for submersion.
- The mention of "360 BIG Stereo Sound" might lead some to expect full 360-degree audio dispersion, but the actual effect could vary based on placement.
- The "universal compatibility" for iPhone and other devices implies standard Bluetooth pairing, but specific advanced features might not be available across all ecosystems.
- A 12-hour battery life is good, but for extremely long trips or events, it may still require recharging, which depends on access to power.
Frequently Asked Questions
What is the audio output power of the Magnavox MMA3929 speaker?
The Magnavox MMA3929 speaker offers a 20W RMS output, designed to deliver a clear and robust sound experience.
Is this portable speaker waterproof?
Yes, it has an IP66 waterproof and dust protection level, making it suitable for use in outdoor environments and resistant to water jets and dust.
How long does the battery last on a single charge?
The built-in rechargeable battery provides up to 12 hours of continuous playtime, ensuring long periods of audio playback.
Can I connect multiple Magnavox MMA3929 speakers together?
Yes, this speaker allows for pairing with another identical speaker to amplify the sound and create a more expansive audio experience.
What connectivity options are available besides Bluetooth?
In addition to wireless Bluetooth, the speaker features a built-in Micro SD slot and an aux input for versatile audio playback options.
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