Harman Kardon Onyx Studio 3 vs 4 – Which One Should You Buy?

harman kardon onyx studio 3 vs 4
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Nowadays several brands are offering a high-quality sound system with numerous features and various price ranges but Harman Kardon’s Onyx Studio product line is quite impressive and well known for providing the perfect sound experience to users.

It is important to keep in mind the audio quality, structure, and battery features when you are looking for a decent audio system. From the list of brands available today, Harman Kardon’s Onyx Studio 3 and Onyx Studio 4 are considered to be the most demanded speakers.

However, Onyx Studio 4 is an up-gradation of Onyx Studio 3, which includes more improved features than Onyx Studio 3 and clearly winner of the comparison. Both models provide powerful performance and a good-standard sound system to the user within a good range. In this section, you will have a detailed comparison of Onyx Studio 3 and Onyx Studio 4 in terms of all features and other audio components to find out the most appropriate one for you.

Difference between Harman Kardon onyx studio 3 vs 4

Let’s have a look at this useful comparison chart. If this information is not sufficient, you can carry on reading the whole review. To make selection much simpler, this chart will give you a summary of both model’s features along with their technical specifications.

Features Harman Kardon onyx studio 3 Harman Kardon onyx studio 4
Battery Backup 5 hours 8 hours
Battery Capacity 2600 mAh 3000 mAh
Frequency 50Hz to 20KHz 50Hz to 20KHz
Bluetooth Version 4.1 4.2
RMS Power 60W 60W
Integration With App Integration With HK Connect+
Weight 4.5 lbs 4.54 lbs
Dimensions 15 x 10 x 15 inches 13 x 12.5 x 8.5 inches
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Harman Kardon Onyx Studio 3

This amazing speaker is renowned for its high-quality bass sound. It features 4.1 Bluetooth Wireless Streaming which provides fast connectivity. The Bluetooth ranges around 33 ft. It has the added feature of connecting to 3 smart devices simultaneously. The frequency response of the speaker lies between 50Hz to 20KHz.

It consists integrated rechargeable lithium battery which enables a playback time of nearly 5 hours. It includes a built-in microphone which features a Harman conference system and sound, echo cancellation for providing conference calls with improved clarity. It is made of the finest materials; bringing out the stylish look in the ideal design of the speaker.


Onyx Studio 3 comes with an appealing and durable casing. The backside of the speaker is wrapped with black leather, which makes it looks very eye-catching from the backside. Whereas the front side has a matt black texture that permits the speaker, giving a suitable look enough to combine into most rooms.

The weight of the speaker is 1.6 ounces and the dimension of the speaker is 15 x 10 x 15 inches. It is available in two main colors: blue and purple but is often difficult to find.

The Onyx Studio 3 consists of five buttons placed on a control panel constructed into the speaker. These buttons include power function, two buttons for volume control, a speakerphone setting button, and Bluetooth.

Harman Kardon Onyx Studio 3 (Black)

High-quality sound

The Onyx Studio 3 is popular for its good standard audio. The speaker consists of a pair of tweeters and huge woofers that helps in providing a rich and effective bass. It features a loud and clean bass so it doesn’t bang when the speaker is played at full volume.

The Onyx Studio 3’s mid is proficient for offering high-quality sound for gentle music styles like jazz or classical music. In Onyx Studio 3, music may sometimes sound a little harsh if it’s being played in high-frequency sounds.

Battery Life

Harman Kardon Onyx Studio 3 (Black)

The Onyx Studio 3 has a good battery capacity of 2600mAH that provides a backup of around 5 hours at 50% volume. It means that won’t be able to play loud music outside for a longer period. This long-lasting speaker consists of 3 inputs, including a power cord port, a 3.5mm port for aux, and also a micro-USB port, for updating the software.


  • 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

Harman Kardon Onyx Studio 4

If you are looking for the speakers with the most powerful performance, then Onyx Studio 4 is the one for you. Spread your wireless connection attending capability to around 100 HK Connect + assisted speakers. It consists of an integrated rechargeable battery.

Enjoy music wirelessly via Bluetooth 4.2 version. It can pair up 2 smart devices simultaneously. It includes a voice assistant (Siri or Google Now) from the speaker with a touch of a button. It is very easy to use and configured by the HK Connection App. The frequency response is 50Hz to 20KHz which is the same as onyx Studio 3. The top fabric adds a unique look to the iconic design.


The Onyx Studio 4 has that same shiny, black design that the Onyx Studio 3 has, so it easily goes with all home decor. The size of the Onyx Studio 4 makes it easy to carry whenever you want. It weighs around 4.53 pounds (2.05 kg). It consists of a comparatively smaller dimension than Onyx Studio 3 which is 13 x 12.5 x 8.5 inches.

Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black (New Model, 100

The Onyx Studio 4 features a saucer shape which is lightweight and portable. The features a control panel having an extra button for Connect+, which is not included in the Onyx Studio 3. It consists of the same five buttons as the Onyx Studio 3, including the volume controlling button, the power buttons, the speakerphone button, and the Bluetooth setting button, and it has an added new Connect+ button. It is available in 3 colors; black, blue and white.

High-quality sound

The Onyx Studio 4 is manufactured to be the top-sounding, completed featured, convenient Bluetooth speaker in its category. There’s a slight difference in audio quality between the Onyx Studio 3 and the Onyx Studio which completely depends on the genre of music being played through the speaker. It is suggested not to use the speaker on too loud volume as bass will produce distortion and audio quality will be reduced.

It has gained fame for its heavy bass performance. The feet of the speaker is covered by rubber fabric to avoid movement while playing loud music. This rubber fabric helps in preventing the heavy bass from initiating trembling on the surface. The mids are the same as the Onyx Studio 3, so the Onyx Studio 4 is perfect for all classical and jazz music lovers. For highs, it features an extended soundstage than the Onyx Studio 3 permits all kinds of audio with greater fidelity.

Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black (New Model, 100

Battery Life

The Onyx Studio 4 consists of a long-lasting battery, that provides backup for around eight hours, which is three hours extended than the Onyx Studio 3 speaker, this factor makes it more likable and reliable.

The Onyx Studio 4 also features all the similar ports as the Onyx Studio 3, which includes a power socket, a 3.5mm aux, and a micro-USB for updating the firmware inside the speaker.


  • Enhanced bass performance
  • Stylish design
  • Battery back of 8 hours
  • Voice assistant is included
  • Lightweight


  • High in price
  • Creates disturbance on loud volume


After reading the complete comparison about both models of Harman Kardon we can conclude that Onyx Studio 3 and Onyx Studio 4 both are quite similar in providing a fascinating set of features and high-quality sound to boot and also for playing an uninterrupted sound. If you don’t want to have heavy bass sound, then the overall performance of Onyx Studio 3 makes an ideal wireless speaker. Undoubtedly, recommended as today’s bestselling product with an affordable range.

After going through all the factors of Onyx studio 4, we can conclude that Studio 4 is recognized for improved bass performance, yet advanced value designs. It gives powerful performance with 8 hours of battery backup. The app compatibility and wireless connectivity of Bluetooth v 4.2 create a lot of variance for Studio 4, which seems more attractive and reliable for playing your favorite music.

Now that you have all the information regarding the Onyx Studio 3 Vs Onyx studio 4. We hope that you will choose the best one as per your desire. Moreover, you can also check the comparison chart for knowing the basic differences. But make sure to choose wisely between both models.


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