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Harman Onyx 3 vs. Harman Onyx 4 — What's the Difference?

By Tayyaba Rehman — Published on January 19, 2024
Harman Onyx 3 is a portable Bluetooth speaker with rich sound and design, while Onyx 4 offers improved battery life, connectivity, and sound quality.
Harman Onyx 3 vs. Harman Onyx 4 — What's the Difference?

Difference Between Harman Onyx 3 and Harman Onyx 4


Key Differences

The Harman Onyx 3 is a high-quality portable Bluetooth speaker known for its distinctive design and rich, balanced sound. It offers wireless Bluetooth streaming, allowing easy connection to devices. The Harman Onyx 4, as an upgraded model, maintains the core design elements but includes enhancements in sound quality, battery life, and connectivity options.
In terms of audio performance, Harman Onyx 3 delivers powerful sound with deep bass and crisp highs. The Onyx 4 builds upon this with refined audio tuning, providing clearer and more immersive sound, suitable for a variety of music genres.
The battery life in Harman Onyx 3 is commendable, offering several hours of playback on a single charge. The Onyx 4, however, extends this battery life even further, making it more suitable for extended listening sessions or outdoor use.
Connectivity is another area of improvement in the Onyx 4. While the Onyx 3 has standard Bluetooth connectivity, the Onyx 4 adds features such as better Bluetooth range and the ability to connect multiple devices simultaneously, enhancing user convenience.
Design-wise, both models boast a premium, eye-catching look with a circular shape and fabric finish. However, the Onyx 4 often comes in more color options and may have slight design tweaks for better portability and durability.

Comparison Chart

Sound Quality

Rich, balanced sound
Improved clarity and immersive sound

Battery Life

Good for several hours
Extended battery life


Standard Bluetooth connectivity
Enhanced Bluetooth, multiple device connection


Premium, circular, fabric finish
Similar design with more color options


Ideal for casual use
Better for extended and outdoor use

Compare with Definitions

Harman Onyx 3

A portable Bluetooth speaker with balanced sound.
The Harman Onyx 3 is perfect for my small apartment.

Harman Onyx 4

Improved connectivity features over its predecessor.
Connecting multiple devices to the Harman Onyx 4 is a game-changer.

Harman Onyx 3

Known for its stylish circular design.
I love the unique look of my Harman Onyx 3.

Harman Onyx 4

Maintains the premium design with more color choices.
I got the Harman Onyx 4 in blue to match my room's decor.

Harman Onyx 3

Offers wireless streaming from various devices.
Connecting my phone to the Harman Onyx 3 is effortless.

Harman Onyx 4

An upgraded portable speaker with enhanced sound.
The Harman Onyx 4 has even better sound quality than my old speaker.

Harman Onyx 3

A blend of aesthetics and audio performance.
The Harman Onyx 3 combines great sound with a sleek design.

Harman Onyx 4

Ideal for both indoor and outdoor audio experiences.
The Harman Onyx 4 is my go-to speaker for house parties and picnics.

Harman Onyx 3

Provides several hours of music playback.
The Harman Onyx 3 lasted throughout our beach day.

Harman Onyx 4

Offers longer battery life for extended use.
I took my Harman Onyx 4 on a camping trip and it lasted all weekend.

Common Curiosities

Does the Onyx 4 have a longer Bluetooth range?

Yes, it offers improved Bluetooth range compared to the Onyx 3.

Is the sound quality of Onyx 4 significantly better?

The Onyx 4 offers clearer and more immersive sound.

Can the Onyx 4 connect to multiple devices at once?

Yes, it has the capability to connect to multiple devices.

Can I control the Onyx 3 and 4 from my phone?

Yes, through your phone's Bluetooth settings.

Are both models water-resistant?

These models are not advertised as water-resistant.

Do both speakers come with a warranty?

Typically, yes, but it's best to check the specific terms at purchase.

Is the bass in the Onyx 4 better than in the Onyx 3?

The Onyx 4 has improved overall sound quality, including bass.

Can I pair the Onyx 3 with another Onyx 3 for stereo sound?

This feature is typically not supported in the Onyx 3.

Do both models have an aux input?

Yes, they both come with an auxiliary input.

Is the Harman Onyx 4 heavier than the Onyx 3?

Slightly, due to its enhanced features, but it's still portable.

Is the battery life of the Onyx 3 sufficient for a day's use?

It depends on the volume level, but generally, it can last for several hours.

Can I use the Onyx 4 for hands-free calling?

Yes, it comes with a built-in microphone for hands-free calls.

Can I charge my phone using the Onyx 4?

No, these speakers do not offer phone charging capabilities.

Are both the Onyx 3 and 4 compatible with all smartphones?

They are compatible with any Bluetooth-enabled device.

Is the price difference between the two models significant?

This can vary based on retailer and location.

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Author Spotlight

Written by
Tayyaba Rehman
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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