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OontZ Angle 3 Portable Bluetooth Speaker Review

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These days, a portable speaker can be purchased for just a couple of dollars. However, the manufacturers of those portable speakers are more concerned with producing something inexpensive than they are with producing something effective, which means their sound quality and longevity is questionable at best.

If you’re a true music lover, our advice is that you resign yourself to spending a little bit more and go with a quality portable speaker manufactured by a brand that is enthusiastic about the art of sound. Something like the Oontz Angle 3.

The OontZ Angle 3 is one in a series of portable wireless Bluetooth speakers produced by the Massachusetts-based Cambridge SoundWorks.

The speaker takes Cambridge SoundWorks’ decades of industry experience and blends it with modern design techniques to give the buyer a speaker that is truly unique and virtually flawless in its sound quality. It has proven and continues to prove remarkably popular among music lovers and in this article, we’re going to find out just why that is.

Oontz Angle 3 Bluetooth Speaker

  • Unique triangular design
  • Crystal clear stereo sound
  • Proprietary bass radiator
  • Bluetooth 4.2
  • 12-hour playtime
  • IPX5 rating: splashproof
  • Designed in the USA


The OontZ Angle 3 is so much more than just a portable speaker. It boasts an abundance of features, many of which cannot be found on competing products.

Some of the speaker’s most notable features are as follows:

Bass Radiator

As any dedicated audio enthusiast will tell you, a portable speaker is not the greatest device to listen to music that relies heavily on bass sounds. The small size of most portable speakers prevents them from reaching the low frequencies required to experience certain bass performances as they were meant to be heard. The OontZ Angle 3, however, comes fitted with a powerful bass radiator which enhances the speaker’s bass output without sacrificing its convenient compact size.


Most portable speakers produce more and more distortion the further their volume is increased, which means those who want to listen to their audio at the highest possible volume have to endure constant crackling and pops. Thankfully, the OontZ Angle 3  boasts distortion-free sound, even when it’s turned up to max volume.


Have you ever tried wrapping your portable speaker in a plastic bag so you can listen to music in the shower? It’s an awkward and time-consuming process, and more often than not ends it in disaster.

The OontZ Angle 3 removes the hassle of listening to music while you shower with its weatherproof design, which makes it resistant both to water and extreme heat.

Pros and Cons

Cambridge SoundWorks certainly produced something special with the OontZ Angle 3 and the pros of the product exist in abundance. That being said, no item is without its flaws.

There are a number of cons and drawbacks associated with the OontZ Angle 3 and, in the interest of fairness, we’re going to be examining them and weighing them against the product’s pros in this section of the article.


The OontZ Angle 3 is light, even for a portable speaker. The folks on the Cambridge SoundWorks design team put a great deal of effort into making this product as lightweight as possible and it certainly looks as though they managed to pull it off. This speaker is just over 9 ounces in weight and could be lifted by an ant or an especially determined breeze, which makes it perfect for traveling and camping.

There are some portable speakers that barely make it through an album before their battery runs out and they need to be recharged so you can continue listening to your favorite music. The OontZ Angle 3 , however, boasts an extra-long battery life and can last up to 12 hours of continued use on a single charge.

To some audiophiles, the appearance of a speaker is as important as the sound which it produces. The Oontz Angle 3 is among the most stylish portable wireless Bluetooth speakers on the market. With a sleek triangular design, it features no hard corners and can be placed horizontally or vertically without risk of falling or diminished sound quality.

Despite being one of the most impressive portable speakers on the market today—not to mention the product of one of the most experienced and respected brands in the industry—Cambridge SoundWorks’ OontZ Angle 3 won’t set you back all that much. The speaker generally goes for less than $30 and probably won’t cost you more than $25 even when purchased new.


A common cause of frustration among those who have purchased the OontZ Angle 3 is the speaker’s lack of range. Optimum signal can only be achieved when your chosen device is within 12 or so feet of the speaker.

If you’re looking for a portable speaker for public areas, the OontZ Angle 3 may not be the speaker for you. While its audio is crystal clear when played in relatively quiet places, it becomes almost impossible to hear when surrounded by the laughter and talking and screaming of people in large numbers.


Deciding on a portable speaker is really no easy task, especially if you’re purchasing one online and don’t have the opportunity to test it out before adding it to your cart. For that reason, it is essential that you go with a speaker manufactured by a brand with a history of excellence, a description which Cambridge SoundWorks fits and then some.

The brand’s OontZ Angle 3  is an audiophile’s dream and will give you everything you need to enjoy your favorite music, whether you’re listening to the unamplified nylon strings of early Leonard Cohen or the thumping bass of something like “Shadow Boxing” by Nasty Habits.

With its bass capabilities and the ease with which it can be transported from location to location, this speaker is ideal for backpackers and perpetual travelers who are tired of having to listen to their music through the piercing treble of the average set of earphones.

Even with its cons, the OontZ Angle 3 ranks among not just the finest portable speakers of our time, but the finest speakers of any kind ever produced.

Buy on Amazon

Last update on 2022-04-20 / Affiliate links / Images from Amazon Product Advertising API

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  1. I’ve purchased an Oontz Angle 3 last year played great then died after 3 weeks. The company was easy to work with, they just sent a new out for no charge and apologized.
    This new one workded great also but just stopped working after 5 months. It seems that if left charging it will overload and stop working.

  2. I’ve had my Oontz Angle 3 for 2 years. It is still working great. All my friends comment how awesome the music sounds! I would definitely buy it again!