Customers express satisfaction with the Onyx Mini Portable Wireless Speaker's exceptional sound quality, impressive battery life, and convenient portability. Many also praise its surprisingly good bass response for its size, and the ease of Bluetooth connectivity. Positive feedback also highlights its compact size and value for the price. A small number of users wished for a remote control.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 1,706 reviews
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Awesome portable speaker
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this speaker with a gift card I got from family for general use with doing chores around the house, and helping concentrate on homework with some music in the background. I recommend this speaker to everyone it’s great quality with Bluetooth technology as well and is very loud if you want it to be!
This review is from Harman/kardon - Onyx Mini Portable Wireless Speaker - Black
I would recommend this to a friend
Pros mentioned:
Bass, Size, Sound quality
Rated 5 out of 5 stars
Best Sounding Device with a single drawback
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Everything about the Onyx Mini was just perfect - the sound, the size, the bass, the build and the connectivity. Except the lack of portability (it doesn't fit in my pocket & harman kardon hasn't provided any carrying case), there's nothing to complain about this small wonder. Get this below $99 and you'll never regret
This review is from Harman/kardon - Onyx Mini Portable Wireless Speaker - Black
I would recommend this to a friend
Pros mentioned:
Bass, Sound quality
Rated 5 out of 5 stars
Great Speaker!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Love the sound of it! Good quality and surprisingly great bass for a small stereo. BT works great. You can talk and listen to your phone calls through the speaker which is a great feature! I got mine for 50$ which was well worth it!
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Bass, Sound quality
Rated 5 out of 5 stars
Best small speaker out there
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Absolutely love this gem of a speaker. Love it so much I've bought two for myself, you can pair two from one iPhone, and one for my daughter. I've also bought a form fitting hard case designed specifically for this speaker to take on the go. I tried several speakers including the small Bose and the Mini absolutely has the best sound. clear highs and full mids with good bass. I also own the large Onyx and the mini almost sounds as good as the big brother without the booming bass. The Mini will definitely fill a room with great sound. You will be amazed! I was.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Bass, Sound quality
Rated 5 out of 5 stars
Harman/Kardon quality in Bluetooth speaker
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This was my first Bluetooth speaker purchase so I didn't know what to expect. I am impressed with sound, looks, and quality of build, plus I caught it on sale. I always heard that Harman/Kardon was high end and this speaker is. Sounds clear and has just enough bass. I listen to hip hop, blues, and gospel and they all sound terrific playing through my speaker. Would definitely recommend.
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Great speaker for a beginner
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I really love my new Harman/kardon onyx mini portable wireless speaker. The sound quality is really amazing it most definitely gets the job done for me. I really like the fact that it holds a charge for a very long period of time. I purchased several of these Harman/kardon for gifts during the holiday.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Great travel speaker.
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The sound quality is amazing for its size. Does take eight hours to charge for the first charge out of the box, but for about 10 hours of playtime it is worth it. Like that it has a power indicator on the top so you know if you are about out of battery power.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Awesome Bluetooth speaker
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This reviewer received promo considerations or sweepstakes entry for writing a review.
As long as it packs a loud and powerful punch, I'd recommend it to anyone. This speaker (for the size it is) packs a wallop. Has a decent battery life also but is best if plugged up for continuous playback.
This review is from Harman/kardon - Onyx Mini Portable Wireless Speaker - Black
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Little speaker with a big boom!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
After my brother in law raved about this speaker so much I thought I'd give it a try. I was so impressed by the clarity and quality of such a little speaker. It is very loud too!
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Bass, Sound quality
Rated 5 out of 5 stars
Dynamite comes in a small package
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Clean, clear and robust sound with a bass that fills a room of moderate size. By far, a Best Buy for the price!
This review is from Harman/kardon - Onyx Mini Portable Wireless Speaker - Black
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Great wireless portable speaker
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great price for a great speaker, unbelievable sound quality from such a small portable speaker; exceptional battery life.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Battery life, Sound quality
Rated 5 out of 5 stars
Great portable Bluetooth speaker
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Sound / build quality and battery life are very good. I got the grey color and it matches my desk.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Sound quality
Rated 5 out of 5 stars
Love the sound quality
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I purchased one for my daughter during Black Friday and I went ahead and purchased mine. I love it. Best purchase ever.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Rated 5 out of 5 stars
Great sound and features
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This reviewer received promo considerations or sweepstakes entry for writing a review.
I was looking for a portable Bluetooth speaker to use with my laptop and this one was perfect
This review is from Harman/kardon - Onyx Mini Portable Wireless Speaker - Black
I would recommend this to a friend
Pros mentioned:
Bass, Portability, Sound quality
Rated 5 out of 5 stars
Great Bluetooth speaker
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Great Bluetooth speaker, built sturdy and very easy to use, puts out big music sound. Connectivity up to 3 Bluetooth devices and Dual play.This HK Onyx mini exceeded all my expectations. . In keeping with Harman Kardon sound this bluetooth speaker is very clean and crisp in the sound it emits and can get quite loud in relation to its size. The bass is tight and not boomy with the nice separation of the lows where bass guitar notes are clear as well as the bass drum in music. The bass is definitely there and can be felt, but not overpowering . Easy to carry around and can fill up a room easily .
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Portability, Sound quality
Rated 5 out of 5 stars
Amazing speaker!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
The sound on this speaker is impeccable. It’s very lightweight and portable and it can definitely get loud.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Bass, Battery life, Portability
Rated 5 out of 5 stars
Great sound!
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Portable, elegant, with great sound, very good bass. Connects easily to my cell phone via Bluetooth, in no time. When unplugged from the power cord, the battery lasts 10 hours but charges in only 3 hours. 10 hours?, enough for a trip, a party, a picnic. Highly recommended.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Battery life, Portability, Sound quality
Rated 5 out of 5 stars
Best speaker purchased
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Very loud, easy for travel & fits pretty much anywhere Can be used at home or in the car. Connects easily to Bluetooth and sound is very clear. Battery life is up to 10hrs
This review is from Harman/kardon - Onyx Mini Portable Wireless Speaker - Black
I would recommend this to a friend
Pros mentioned:
Bass, Battery life
Rated 5 out of 5 stars
Great for price but Bass heavy
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This reviewer received promo considerations or sweepstakes entry for writing a review.
Excellent for the price (under 100) and in that regard it is the best speaker in the category. However if you want crisp highs and enjoy mids you will find the speaker lacking. The Bass is excellent however it often overpowers the mids and highs. Also, the speaker only shines at volumes greater than 50%.
Pros:
Great for the price
Excellent Battery Life
AUX connectivity
Beautiful Bass
All in all if you want a decent BT speaker that is under 100; I would definitely recommend this speaker. But I would want you make an informed decision based on its limitations.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray
I would recommend this to a friend
Pros mentioned:
Bass, Portability, Sound quality
Rated 5 out of 5 stars
Good speaker for size
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This reviewer received promo considerations or sweepstakes entry for writing a review.
This is one of the best speakers I owned and it’s even better because it is very portable due to its smaller size. The connection is great it always reconnects when I use it. The speaker has a mini subwoofer on the back which gives it a good bass sound I love it.
This review is from harman/kardon - Onyx Mini Portable Wireless Speaker - Gray