The Omaker M4 is one of the newest products to arrive at my doorstep.

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This portable Bluetooth speaker presents itself as a “unique, rugged” speaker with splash proof, shockproof, and dust proof functions. In other words, I can finally listen to music while I take a shower. And that’s exactly what I’ve been doing thanks to some strategically-placed 3M Command™ brand hanging strips.

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This is perfect because I can also slip my Samsung Galaxy S5 into the shower for easier control — you shouldn’t try this with other devices — and listen to the “Singing in the Shower” station on Google Play Music.

Signing in the Shower

The biggest drawback to using the M4 in the shower is the fact that I often forget to power off the speaker, so the battery ends up dead before my next shower.


Omaker boasts that its M4 Bluetooth speaker is a rugged device, prepared for any type of action. Take a look at an overview of this Bluetooth speaker.

Although I like using this speaker in the shower, I’m more likely to use the M4 while working outside, in the garage, or even take this camping.

The Omaker M4 has a small profile design, measuring 1.8 x 3.2 x 3.2 inches, and weighing approximately 5.6 ounces (159 grams).

Sound quality

If you’re looking for a wall thumping, bass bumping, system, you’d better look elsewhere. Omaker M4 probably isn’t going to rumble your house’s foundation, or even shatter glass.

But the Omaker M4 puts out enough volume that you can comfortably listen in smaller rooms or more enclosed spaces. I’ve maxed out the volume on my phone and barely hit 75dB. That’s disappointing if you’re trying to jiggle your insides, but good enough for showering, pool parties, or working in the garage (sans power tools).

The Omaker M4 is a unidirectional speaker — it’s located on the top of the device, pointing upwards — covered with a metal mesh.

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This means you’ll achieve the sound by “aiming” your speaker towards the listener. You shouldn’t have to worry about where you place this, since the outside cover is a rugged rubber. This covering also helps prevent the speaker from jumping around. However, I had a couple of instances where the speaker tipped over from the vibrations.

Omaker boasts that the M4 has a 12 hour battery. I can’t dispute this claim, since I’ve hardly used the speaker long enough. Charging is a breeze though, about 3 hours, when you need. I happened to charge my M4 with my car’s micro-USB charging cable. Simple and easy.

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The Omaker M4 places all of the audio controls on the “north” side of the device.

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I had problems getting the volume buttons to work while I played music. They almost always skipped to the next song. Volume works best when you’re not playing music. It’s counter-intuitive — how can I figure out the right volume without sound? — but seems like the only solution to the problem.

Also, as I mentioned earlier, it’s easy to forget to turn the power off since the button’s out of mind. Since there’s not an auto-off feature, I often find an unusable speaker.

I quickly and easily paired my phones and tablets using the M4’s built-in NFC.

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If I had one complaint about the process, it’s the fact that the NFC chip is located on the underside of the speaker. Not much of a problem when you’ve already paired your phone, but confusing for someone who didn’t know the feature existed.

Price and prospects

Overall, I think the Omaker M4 is a pretty good deal if you want to spend a little money for an outdoor speaker. There are two different models, and of course there are two different prices. I test the orange model, which retails on Amazon for $34.99. Another model comes in Army green, and you can purchase that model for $26.99. Personally, I like the Army color, and since these are designed to get “mucked up,” color wouldn’t be such an issue. The Omaker M4 gets 3.5 of 5 stars.

Jeff Taylor

I'm just an ordinary guy living an extraordinary life. I'm also an attorney and I blog about Android for lawyers. You can follow me on Twitter, LinkedIn, YouTube, or Google+.

1 Comment

Seedforce · October 22, 2015 at 3:11 am

Find a better one on amazon:
Seedforce Outdoor & Shower 5W Drive 16 Hours Playtime Bluetooth 4.1 Speaker

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