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Monster Prism Portable Bluetooth Speaker 20W Stereo IPX6 Waterproof

Based on 4 reviews
Condition: New
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$25.99
Holiday Deal · 74% off was $99.99

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At a glance

Condition
New
Dimensions
1"D x 1"W x 1"H
Color
Black
Audio Output Mode
Stereo
Mounting Type
Floor Standing
Speaker Type
Portable Speaker
Antenna Location
For Smartphones or Tablets
Works with
Laptop, Smartphone, Tablet

Features 5

  • POWERFUL 20W STEREO SOUND & LED LIGHTS The Prism portable speaker is engineered with dual drivers to deliver full-range audio with deep bass, balanced mids, and crisp treble. The 20W output fills your space with rich, layered sound, while built-in ambient LED lights pulse to the rhythm of your music. Activate the dynamic lighting with a single press to add atmosphere to evening parties, campfire gatherings, and beach nights.
  • TRUE WIRELESS STEREO PAIRING Pair two Prism speakers via TWS technology to create a synchronized left and right channel setup. This immersive surround-sound configuration elevates movie nights, gaming sessions, and social gatherings by delivering cinematic audio that wraps around the room, making every beat and dialogue feel larger than life.
  • IPX6 WATERPROOF WITH PORTABLE LANYARD Designed for adventure, this wireless speaker features a durable outer shell that withstands splashes, rain, and dust. The included detachable lanyard strap attaches securely to backpacks, belts, or bicycle handlebars, making it easy to carry to the poolside, beach, or hiking trail without worrying about water damage.
  • MULTI-SOURCE PLAYBACK OPTIONS Enjoy flexible connectivity with Bluetooth 6.0 for wireless streaming up to 33 feet, a 3.5mm AUX input for wired devices, and a TF card slot supporting MP3 and WAV formats. Switch seamlessly between your smartphone, tablet, laptop, or memory card to keep your music playing however and wherever you prefer.

Description

The Monster Prism Bluetooth Speaker combines powerful 20W stereo sound with a rugged, adventure-ready design. Featuring IPX6 waterproof protection, this portable speaker handles splashes and rain while delivering rich, full-range audio with deep bass and crisp details. With True Wireless Stereo (TWS) pairing, you can connect two Prism speakers for immersive surround sound that transforms movie nights and gatherings. Multiple playback options include Bluetooth 6.0, AUX input, and TF card support, giving you flexible ways to enjoy your music. The built-in USB-C port enables fast 2.5-hour charging, while the long-lasting battery provides up to 24 hours of playback at 50% volume. A detachable lanyard makes it easy to clip the speaker to your backpack or bike, and dynamic LED light effects pulse to the rhythm of your music for added atmosphere.

Specs 27

Brand Monster
Speaker Maximum Output Power 20 watts
Connectivity Technology Bluetooth
Audio Output Mode Stereo
Mounting Type Floor Standing
Speaker Type Portable Speaker
Antenna Location For Smartphones or Tablets
Color Black

Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


Speaker with multiple ports
The sound quality is very good, it has multiple ports and the pairing is easy and fast to setup.
Reviewed in the United States on August 23, 2026 by Viviana Ortega

Disappointed
Only sounds good and loud in small spaces
Reviewed in the United States on August 23, 2026 by 209Shopper
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