Harman Kardon Onyx 2 vs Onyx 3 – Which One Should You Buy?

harman kardon onyx 3 vs onyx 2
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Today we are giving you a review of remarkable wireless speakers. We all need speakers and also they are widely used all over the world. It is a common need for a music lover when it comes to enjoying your favorite song or go to a concert.

There are several speakers of Harman Kardon but today we will talk about Onyx 3 and onyx 2. Harman Kardon is still the most selling brand in 2021. These speakers have a unique design that also increases the beauty of your home.

If we have to choose our winning product between Onyx 3 and Onyx 2 we will go for Onyx 3. The reason behind it is the Onyx 3 has more durability and a better pick. Even though it is a bit expensive but we all know that everything comes at a certain price.

Quick overview of Harman kardon onyx 2 vs 3

Harmon Kardon is a well-known brand for wireless speakers all over the world. The products are very stunning with good quality sound effects. Both of these are considered good but the difference between these two products is given in the chart form so that you may feel convenient to select which one is best for you. If this information is not enough for you then you must keep on reading till the end so you will be able to select the best one for you.

Here are the few noticeable differences between these two:

harman kardon onyx studio 2 harman kardon onyx studio 3
Battery life 5 hours Battery life 5 hours
Bluetooth version 3.0 Bluetooth version 4.1
Frequency 60Hz – 20kHz Frequency 50Hz – 20kHz

In the next section, we will discuss details of other features of Harman Kardon Onyx 3 and Onyx 2 to understand which version is suitable for you.

Major difference between Harman kardon onyx 3 vs onyx 2

Features Harman Kardon onyx studio 2 Harman Kardon onyx studio 3
Battery Backup 5 hours 5 hours
Charge Time 5 hours 5 hours
Battery Capacity 2600 mAh 2600 mAh
Frequency 60Hz to 20KHz 50Hz to 20KHz
RMS Power 30 Watt 30 Watt
Handsfree function
Bluetooth Version 3.0 4.1
Weight 7.52 Pounds 4.5 lbs
Dimensions 11.02 x 6.34 x 10.24 inches 15 x 10 x 15 inches
Check Price Check Price

Harman Kardon Onyx Studio 2

Now let’s have a look at another item of Harman Kardon that is onyx 2. This is also very attractive and popular. The speakers are a roundish body with a removable grille.


Both Harman Kardon onyx 3 and onyx 2 have relatively the same exterior and great audio. It is also a wireless item with a gorgeous look and also a built mike As far as its Bluetooth connectivity is concerned; it wirelessly connects up to 2 devices to the speaker via Bluetooth 3.0 interface.  Along with speakers you will also be provided with a power adapter that has a power cable also a starting guide book and the product would have a 1-year warranty.

Harman Kardon Onyx Studio 2 Wireless Speaker System with Rechargeable Battery and Built-in Microphone,Black

Its dimensions are 11.1 x 6.4 x 10.3 inches .Its weight is 7.52 Ounces.

This product is available in 5 attractive colors.  These are grey, black, white, navy, and burgundy. It has also a rechargeable battery and the timing is also 5 Hours as onyx 3 so enjoy with these speakers for a good time for up to 5 hours.

Sound Quality

It also has good sound effects. Onyx 2 comes with new features such as a built-in speakerphone with Harman Voice Logic echo and noise cancellation as well as auxiliary output. Wireless speakers have clear sound quality. The sound quality is really clear; it also comes with a built-in speakerphone that offers crystal clear calls.

Harman Kardon Onyx Studio 2 Wireless Speaker System with Rechargeable Battery and Built-in Microphone,Black

Battery Life

Battery timing is 5 Hours as onyx 3. It has a 2600mAh Lithium-ion rechargeable battery that considers one of its remarkable features.  You can enjoy up to 5 hours battery that is a quite good thing.  However, the duration of playtime on a single charge may vary depending on volume. The higher the volume the more battery it will consume.  The average charge of this battery is 5-6 hours.  It allows you to play music anywhere.


  • Powerful bass audio
  • Built-in rechargeable battery
  • Great design


  • Directional sound
  • Heavy in size
  • Lack of battery indicator

Harman Kardon Onyx Studio 3

Harmon Kardon Onyx 3 has marvelous features and is made up of premium quality material. One of its features is that it is wireless which means you that would not be tangled into wires. As far as the design is concerned, it has a unique and stunning design having a round spherical body that would increase the beauty of your home also. The speaker type is Bluetooth with 4.1 Bluetooth versions. It has a rechargeable battery, having 5 hours of playtime. For weddings or parties, it would be perfect as it has high-quality sound effects.


These are portable speakers but have high and powerful bass, this feature is good among all others. One more marvelous feature is its unique design. It has an attractive round body with an elegant look. It will enhance your home’s beauty. The front side is fully covered with a grille which is hard to remove and is made up of hard plastic. In the center of the speakers, there is a small company logo.

Harman Kardon Onyx Studio 3 (Black)

Its weight is about 1.6 ounces. The product dimensions are 15 x 10×15 inches. As onyx is not water-resistant so water can ruin its properties. Steam is bad for it. It may connect up to 3 devices at a time so you can enjoy a great time.

Sound Effects

Onyx 3 has rich and powerful bass. It has a good speaker for outdoor activities. The speakers are amazing to use for crystal clear voice calls, parties and, weddings. It delivers powerful audio so that you don’t have any issues as far as its performance is concerned. Your listening experience can be elevated by connecting two speakers that have this feature. The performance is really good in large rooms as it creates powerful basses that one can hear from a portable Bluetooth speaker.

Harman Kardon Onyx Studio 3 (Black)

Battery Life

The battery timing of both is almost the same. These wireless speakers have a rechargeable battery which is up to 5 hours. You can enjoy up to 5 hours. It can be connected to 3 more devices at a time it has Bluetooth transmitter modulation.


  • Powerful bass sound
  • Durable design
  • Portable
  • Consist of 3.5 mm aux input


  • Very heavy in size
  • Battery backup time is short
  • Harsh with high-frequency music

Final Advice

As some of the features of both are quite the same but after reading the article you must come to know that Harman Kardon Onyx 3 is the predecessor of Onyx 2 in many aspects. Its powerful and high bass can’t be ignored. It has a high sound with no distortion even at maximum volume. The design will also be suitable for your home decor. It is a portable speaker but has better acoustics. Yet onyx 3 is a bit expensive than Onyx 2 but still, I think that Onyx 3 has a good pick.

The reason for saying this is that Onyx 2 will go on irritating from time to time unless you will keep on plugging it in all the time.  If you want to enhance your listening experience without spending a lot of money then you should buy the Onyx 3 model.

Image Title Bluetooth Battery Buy
Product ImageTop Harman Kardon Onyx Studio 2 3.0 5 Hours Check Price
Product ImageTop Harman Kardon Onyx Studio 3 4.1 5 Hours Check Price


In the article everything related to Harmon Kardon Onyx 2 and Onyx 3 has been mentioned above. While keeping a view of all the features of both, decide which of the two is best for you. Both models are quite the same when it comes to the exterior look but are different in features.

Onyx 3 model is made up of premium quality material and is much popular in the field of durability like predecessors. Onyx 3 has remarkable features. It is time to select the best one of them that will suit you more. Go through the whole article again and the chart that is given above, you can read it again. It will help you to choose the best one.  Now the choice is yours.


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