{"id":3858,"date":"2025-12-07T13:20:05","date_gmt":"2025-12-07T12:20:05","guid":{"rendered":"https:\/\/www.senses.se\/en\/review-harmon-kardon-onyx-studio-9\/"},"modified":"2026-03-21T18:16:35","modified_gmt":"2026-03-21T17:16:35","slug":"review-harmon-kardon-onyx-studio-9","status":"publish","type":"post","link":"https:\/\/www.senses.se\/en\/review-harmon-kardon-onyx-studio-9\/","title":{"rendered":"Review: Harmon\/Kardon – Onyx Studio 9"},"content":{"rendered":"

The Onyx Studio 9<\/strong> from Harman\/Kardon<\/strong> clearly demonstrates the company’s commitment to evolving an established concept into a superior product. The launch of the original Onyx Studio in 2014 established a strong foundation, and its subsequent regular use offered valuable long-term insights. This personal history naturally sparked keen interest in evaluating the advancements introduced with the Onyx Studio 9<\/em>.<\/p>\n

\"Harmon\/Kardon<\/a>
Photo: Senses.se – Comparison between the first and latest version of Onyx Studio.<\/figcaption><\/figure>\n

Battery and Flexibility<\/h2>\n

The latest iteration introduces substantial improvements over the original, particularly in sonic performance and key features. A significant enhancement in the Onyx Studio 9<\/em> is its integrated battery, which enables untethered operation and greater placement flexibility. For a focused analysis, this review will primarily compare the Onyx Studio 9<\/em> with its immediate predecessor, the Onyx Studio 8<\/strong>.<\/p>\n

\"Harmon\/Kardon<\/a>
Photo: Senses.se – Inputs and outputs.<\/figcaption><\/figure>\n

Design and Construction<\/h2>\n

The Studio 9<\/em> presents a refined design, featuring a slightly more compact and lighter construction than the Studio 8<\/em>, alongside enhanced material quality and a more polished finish. Battery capacity has seen an approximate increase of 45 percent<\/strong>. While maintaining a comparable eight hours of playback, this improvement notably contributes to a significantly shorter charging time.<\/p>\n

\"Harmon\/Kardon<\/a>
Photo: Senses.se – Convenient carrying handle.<\/figcaption><\/figure>\n

Technology and Features<\/h1>\n

The Studio 9 <\/em>is equipped with Bluetooth 5.3<\/strong>, which offers improved range and stability. Furthermore, it supports Auracast, enabling synchronized playback between multiple compatible speakers \u2014 a feature the Studio 8<\/em> lacks.<\/p>\n

\"Harmon\/Kardon<\/a>
Photo: Senses.se – Physical buttons for easy operation. <\/figcaption><\/figure>\n

Sound Experience<\/h2>\n

Sonically, the Studio 9 <\/em>offers a broader and more dynamic soundstage with improved frequency separation. The treble is clearer and the bass is deeper than the Studio 8<\/em>, making the Studio 9<\/em> more suitable for larger rooms and demanding listeners.<\/p>\n

During testing, the Onyx Studio 9 <\/em>was positioned in a living room, where it effortlessly filled an approximately 120 sqm<\/strong> space with rich audio. A rigorous evaluation at maximum volume revealed no discernible distortion or unwanted noise, underscoring the remarkable sonic performance delivered by this comparatively compact speaker.<\/p>\n

The capability to connect two or more Onyx Studio 9 speakers allows for synchronized audio across expansive areas, suitable for both indoor and outdoor environments. However, it is important to note that the Onyx Studio 9 is not waterproof, limiting its suitability for environments like beaches. Its substantial size also precludes it from being considered an ultra-portable device for everyday carrying. Instead, its design prioritizes exceptional audio fidelity and aesthetic appeal for sheltered placements.<\/p>\n

\"Harmon\/Kardon<\/a>
Photo: Senses.se<\/figcaption><\/figure>\n

In summary, the Onyx Studio 9 <\/em>stands out as a highly recommended audio solution for those seeking superior sound reproduction within a home environment. Its profound bass and distinct frequency registers make it a compelling option. Additionally, it boasts a discreet design, offered in a selection of colors.<\/p>\n

Priced at approximately 4000 SEK<\/strong>, the Onyx Studio 9<\/em> may appear to be a significant investment. However, evaluating its comprehensive value proposition, which encompasses exceptional sound quality and versatile functionality, it represents a justified expenditure.<\/p>\n

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