Bluetooth Speakers Portable Wireless 20W Loud Stereo Sound

In this review the NOTABRICK Bluetooth Speakers are presented as a compact, travel-friendly option for people who want loud, clear sound without hauling large gear. The bottom line: this speaker is best for listeners who need a truly portable, waterproof unit that still delivers strong bass and clear mids. It stands out for its combination of 20W loud stereo sound, IPX7 protection and long playtime, making it easy to recommend for poolside, shower, and travel use where durability and volume matter most.

Key Features

• Portability: The lightweight, fashion-forward design is small enough to hold comfortably in one hand, so it moves easily between indoor and outdoor use.
• Waterproof: IPX7 rating means the speaker can handle splashes, rain, and brief submersion, which frees you to use it at the pool, beach, or in the shower without worry.
• Sound performance: Dual 20W drivers combined with an EQ bass radiator and advanced audio processing deliver balanced, distortion-free sound even near maximum volume.
• Wireless pairing: Bluetooth 5.0 provides fast, stable connections to phones and tablets and allows two identical units to be paired for TWS stereo expansion.
• Battery and charging: Around 15 hours of playtime and a USB-C quick-charge port keep the speaker running through a day of use; customers also note fast charging performance.

Who It's For

This speaker is ideal for commuters, travelers and outdoor social gatherings where portability and waterproofing are priorities. If you like taking music to the beach, shower, or a small party, the combination of IPX7 protection, loud 20W output and a compact form factor makes it a practical pick.

If you need very deep, room-filling bass for large parties or professional-grade studio accuracy, look elsewhere; this model focuses on portability and balanced sound rather than subwoofer-level low end or audiophile reference transparency.

Pros & Cons

Pros

• Loud and clear output for the speaker's size, with minimal distortion at high volume.
• Truly portable design that fits in a bag and feels durable for outdoor use.
• Reliable Bluetooth 5.0 pairing and the option to create a wider soundstage via TWS pairing.
• IPX7 waterproofing adds confidence for poolside and shower use.

Cons

• Bass is enhanced for punchy beats but will not match the depth of larger subwoofer-equipped systems.
• To protect battery longevity the manufacturer recommends a 5V/1A adapter for charging, which may be slower than some fast chargers.

Specifications

Brand	NOTABRICK
Output	20W Dual speaker drivers
Water resistance	IPX7 waterproof
Bluetooth	Bluetooth 5.0
Playtime	About 15 hrs
Charging	USB-C quick charging (use 5V/1A adapter recommended)
Extras	EQ bass radiator, built-in microphone, TWS pairing

Our Verdict

The NOTABRICK Bluetooth speaker is a strong value for anyone who needs portable, waterproof sound with real volume. It balances loud, balanced audio and a compact, durable design that suits travel, showers and small outdoor gatherings; buyers who want deeper bass or studio-level fidelity should consider larger systems, but for everyday mobile use this speaker is a sensible, well-made choice.

Frequently Asked Questions

Is this speaker safe to use in the shower?
Yes. The IPX7 rating protects against immersion and makes it safe for shower and wet environments.

Can two speakers be paired together?
Yes. Two identical units can be paired using TWS for a wider stereo soundstage.

What charger should I use?
For best maintenance the manufacturer recommends using a 5V/1A adapter to charge via the USB-C port.