NOTABRICK Bluetooth Speakers Blue - Portable 15W Stereo Speaker

In this review the NOTABRICK Bluetooth Speakers Blue stands out as a compact, travel-friendly option for listeners who want louder-than-expected sound from a small package. The biggest reason to buy is the combination of a clear, distortion-free 15W output with useful connectivity options, making it ideal for beach trips, showers, and casual parties where portability and durability matter. The review focuses on real-world use: pairing speed, battery/charging convenience via Type-C, and how the IPX6 splashproof rating performs outdoors.

Key Features

• 15W Stereo Sound: Delivers clear highs, a crisp midrange and surprising bass for a speaker this size, so music feels full and detailed at moderate volumes.
• True Wireless Stereo Pairing: Two speakers can be linked in tandem to create a 360-degree stereo field and roughly double the output for small gatherings or open-air listening.
• Multiple Playback Options: Works via Bluetooth 5.0, TF card playback supporting WAV, FLAC, APE and MP3, and a 3.5mm AUX input for wired sources, offering flexibility for phone, laptop or offline use.
• Portable Design: At about 4.5 in high and 3.5 in diameter with a lanyard, it is easy to carry on hikes, beach days or to move between rooms without hassle.
• IPX6 Splash Resistance: Built to resist splashes, rain and sand, making it suitable for poolside, boat or beach use while avoiding full submersion.
• Fast Charging and Hands-Free Calls: USB Type-C charging shortens downtime and the built-in microphone allows convenient hands-free calls when paired with a phone.

Who It's For

The NOTABRICK Bluetooth speaker is best for outdoorsy listeners, travelers and casual party hosts who need a compact, rugged speaker that still produces clear, pleasant sound. It suits people who value multiple connection options - Bluetooth 5.0, TF card, AUX - and want a speaker that can pair with a second unit for louder stereo playback.

It is less appropriate for audiophiles seeking deep, room-filling bass at high volume or for those who need fully waterproof devices for underwater use; the IPX6 rating protects against splashes and rain but not immersion. For larger venues or critical listening, a bigger, dedicated stereo system would be a better match.

Pros & Cons

Pros

• Compact and highly portable with a convenient lanyard for outdoor use.
• Good sound clarity and balanced midrange for a 15W portable speaker.
• Flexible connectivity: Bluetooth 5.0, TF card support, AUX input and Type-C fast charging.
• IPX6 splash resistance makes it suitable for beach and poolside use.

Cons

• Not rated for submersion, so it should not be used underwater or left in heavy surf.
• While loud for its size, it cannot match the bass depth or volume of larger speakers for big parties.

Specifications

Brand	NOTABRICK
Output Power	15W (single) / 30W (dual paired)
Dimensions	Approximately 4.5 in high x 3.5 in diameter
Connectivity	Bluetooth 5.0, TF card slot, 3.5mm AUX, Type-C charging
Water Resistance	IPX6 splashproof
Audio Formats	Supports WAV, FLAC, APE, MP3 via TF card
Additional	Built-in microphone for hands-free calls; lanyard included

Our Verdict

The NOTABRICK Bluetooth speaker is a solid choice for anyone who needs a portable, durable speaker with clear sound and flexible playback options. It offers strong value for outdoor use, travel and small gatherings thanks to its 15W output, True Wireless Stereo pairing and splash resistance. Those wanting deeper bass or true waterproofing should consider larger or higher-rated alternatives, but for everyday portability this speaker performs well.

Frequently Asked Questions

Can two units be paired for stereo sound?
Yes, the speaker supports True Wireless Stereo pairing to link two units for a fuller 360-degree soundstage.

Is the speaker waterproof for pool use?
The speaker is IPX6 splashproof and resists rain and splashes, but it is not designed for full submersion.

What formats and inputs are supported?
Playback supports WAV, FLAC, APE and MP3 from a TF card and also accepts Bluetooth 5.0 and a 3.5mm AUX input; charging is via USB Type-C.