Overview
- Harman Kardon Wireless Speaker Onyx
- Harman Kardon Onyx Studio 3
- Harman Kardon Bluetooth Speakers Reviews
- Harman Kardon Onyx 4 Review
Find helpful customer reviews and review ratings for Harman Kardon Onyx Studio 4 Wireless Bluetooth Speaker Black (New Model at Amazon.com. Read honest and unbiased product reviews from our users.
Harman Kardon Wireless Speaker Onyx
Add a premium feel and portability with the Harman Kardon Onyx Studio 4 bluetooth speaker. This has a unique design and speaker construction that is definitely different from current market bluetooth speakers available today. Feel the bass easily conquers a room with its dual passive radiators speaker and enjoy up to 8 hours of battery life out of a single charge.
Features
60 Watts of Power
The 60 Watts RMS power is unbeatable especially if it is portable and powered by battteries. Even on a noisy environment it will still be on top and it will be heard. While indoors it can easily fill up your room with sound as if you have a whole setup of speakers.
Dual Passive Radiator Speakers
This speaker allows for more bass in a small portable size. It will easily produce bass even on max volumes.50Hz to 20KHz Response

Built-in Microphone
The built-in microphone allows you to make calls and the Harman Kardon speakers acts as a super loudspeaker. This is great if you need a conference type of conversation with your family or friends.3,000mah Battery
The Onyx Studio 4 is rechargeable and will last up to 8 hours of music playback. Perfect for portability and it will last a day of regular use.
Harman Kardon Onyx Studio 3
Technical Specifications
Harman Kardon Bluetooth Speakers Reviews
Manufacturer | Harman Kardon |
Model | Onyx Studio 4 |
Model Code | HKOS4BLKAM |
Special Features | Dual Passive Radiator Speakers |
Total Output Power | 60 Watts RMS |
Frequency Response | 50 Hz – 20 KHz |
Signal to Noise Ratio | 80dB |
Wireless Connectivity | Bluetooth |
Speaker Phone | With built-in microphone |
Input/Output |
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Battery Capacity | 3000 mah |
Battery Type | Lithium-Ion |
Battery Life | Up to 8 hours of playback |
Charging Time | Up to 5 hours |
Dimensions (HxWxD) | 10.2 x 10.9 x 6.3 Inches |
Weight | 4.5 Pounds |
Inside the Box |
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Harman Kardon Onyx 4 Review
Pros:
- Incredible sound on a small portable speaker
- Excellent bass output
Cons:
- Pricey
- Odd design that may tip or knocked over
- Charging time may take a while especially when using low ampere chargers
Would I recommend the Harman Kardon Onyx Studio 4?
For the sound quality in a small package it will be a definitely good buy. And if you like odd looking speakers and you like to be different then the Onyx Studio 4 is for you.