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Haixin TV obsessed with "super picture quality" produces sound quality black technology!
When it comes to Hisense TVs, many people immediately think of "ULED super quality." Indeed, after years of independent research and development, Hisense has positioned itself as a leader in the domestic TV market. High-end models like the MU9600 series now rival international brands such as Sony and Samsung, showcasing the brand's top-tier technology. However, when it comes to audio performance, there hasn't been much excitement—something that is not unique to Hisense. In the era of ultra-slim TVs, sound quality has become a common weakness across the entire industry.
But this is changing. Hisense’s newly launched ULED Ultra HD TV, the NU7700, introduces a groundbreaking feature: "Air Sound Field" technology. This innovation promises to deliver both slim design and powerful bass, solving a long-standing issue in the TV industry. So, what exactly is "Air Sound Field," and how does it work? What kind of advanced technology is behind this seemingly mysterious feature?
Traditional TVs typically use phase-inverted speakers, also known as bass reflex speakers. These speakers have an opening or groove on the panel, allowing sound waves from inside the cabinet to escape. When the speaker works, the rear sound waves pass through the port and combine with the front waves, enhancing low-frequency effects. This allows smaller speakers to produce better bass. However, as TVs have become thinner, traditional phase-inverted speakers struggle to maintain sufficient volume, leading to weaker bass performance. That’s why modern ultra-slim LCD TVs often have worse sound quality than their older counterparts.
Because of these limitations, many manufacturers have opted for external soundbars to ensure better audio performance. While this approach can improve sound quality across all frequency ranges, it compromises the TV's aesthetic and design integrity. It also adds extra cables, making the setup more complicated and less elegant.
So, is there still room for improvement in built-in speakers? Hisense's NU7700 says yes. The model uses a dual-mode resonance ultrasonic sealed soundbox, which is a completely enclosed speaker system. Unlike traditional phase-inverted designs, closed-box speakers offer cleaner bass and can be made smaller. This new structure represents a significant shift in speaker design.
To maximize space and enhance bass performance, Hisense added two passive radiators to the NU7700. Passive radiators are secondary units that vibrate in response to the main driver, helping to push more air and enhance bass output. This allows the TV to produce deeper, richer bass without increasing the overall size of the speaker. As a result, the bass range of the NU7700 has expanded by 2.7 times compared to previous models. The sound volume is only 1/10 of conventional systems, yet it can reach down to 60Hz, significantly lower than the standard 120Hz. This achievement has been verified by the National Digital Audio, Video and Multimedia Product Quality Supervision and Inspection Center.
In addition to improved bass, the NU7700 also offers more accurate mid-range response and better overall sound clarity. This makes it a strong contender in the high-end TV market, especially for those who value both visual and audio performance.
For more information on smart TVs and set-top boxes, visit Smart TV/box information network sofa butler (http://), a leading platform in China for smart TV news, product reviews, and technical support.
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