The Fosi Audio i5 planar magnetic headphones deliver a surprisingly immersive audio experience, defying expectations set by their price point. This review delves into the impressive build quality, comfort, and sonic performance of these gigantic headphones, examining their unique design features and assessing their overall value. From the initial unboxing, showcasing their substantial size and plush earcups, to the detailed analysis of their sound signature and included accessories, we explore what makes the i5s stand out in the competitive planar headphone market.Prepare to be amazed by the i5's expansive soundstage and warm, detailed audio reproduction. We'll uncover the secrets behind their comfortable, extended listening sessions, dissect the surprisingly durable cable, and discuss the impressive inclusion of extra earpads and adapters. Ultimately, this review aims to determine whether the Fosi Audio i5 truly earns its title as a "giant among planars," weighing the pros and cons to deliver a comprehensive assessment for potential buyers.
Pros And Cons
- Huge pads are insanely comfortable
- Extremely resistive slide mechanism for headband adjustment
- Cups spin freely 360°
- Solid metal construction
- Giant planar driver (97mm)
- Sounded so good that it overshadowed other products at a show
- Velcro attachment for pads makes them harder to exchange
- Cable is not the reviewer's favorite part; described as having a thick, stiff wire that acts like a windshield wiper
- The plate with the FSY audio logo is not centered
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Unboxing and First Impressions
The Fosi Audio i5 arrived in a surprisingly large box, hinting at the substantial size of the headphones themselves. The packaging was unassuming, containing only the headphones and a 1/4-inch adapter. The lack of additional accessories initially raised a slight concern but this was quickly overridden by the sheer scale of the headphones.
Upon removing the i5s, their immense size was immediately apparent. These are not just large; they are gigantic, far exceeding the dimensions of many other planar magnetic headphones. The initial impression was one of awe, a feeling only amplified by the plush, substantial earpads.
The earpads, incredibly thick and generously sized, promised exceptional comfort. The use of Velcro for attachment seemed somewhat unconventional but didn't detract from the overall impression of high quality.
Design and Build Quality
The Fosi Audio i5 boasts a striking design. The headband, while simple, is sturdy and well-constructed. The earcups rotate freely 360°, offering flexible positioning for a wide range of listening scenarios and head shapes. The robust metal construction inspires confidence in durability.
The unique sliding headband adjustment mechanism, unlike the typical click-based systems, provided a smooth, almost effortless adjustment. This innovative approach felt extremely sturdy and precise. The earcups themselves are held in place by pivoting mechanisms rather than simple clamping, further enhancing their stability and comfort.
The materials used appear to be premium, with a potential wooden element on the earcups. While the exact nature of this material remains uncertain, it's undeniably smooth and high-quality, complemented by a plush fabric covering.
Sound Quality and Performance
The Fosi Audio i5 delivers a surprisingly warm and spacious sound signature, contrasting with the often more analytical presentation of other planar headphones. The bass response is deep and impactful, yet well-controlled and never overwhelming. The midrange is smooth and natural, conveying vocals and instruments with clarity and realism.
The soundstage is remarkably wide, adding a sense of airiness and spaciousness. This expansive soundstage is further enhanced by the generously sized earpads, which create a sense of immersion. Overall, the sound is beautifully balanced, resulting in a relaxed and enjoyable listening experience.
The i5s offer exceptional comfort for extended listening sessions. The enormous, plush earpads effectively isolate external noise, creating a haven for extended listening. Despite their substantial size, the headphones remain surprisingly lightweight and well-balanced, making them comfortable for hours on end.
Cable and Accessories
The included cable, while initially disappointing due to its perceived lack of quality, actually grew on the reviewer over time. The thick, fabric-covered cable is surprisingly durable, although its stiffness and length could be improved. The connection end's construction is commendable.
The cable features interchangeable ends, a thoughtful inclusion that enhances versatility. The 4.4mm balanced connection is a welcome addition for high-end audio setups. While not perfect, the cable's build quality is generally acceptable, especially considering the headphones' price point.
The Fosi Audio i5 also includes extra earpads, reflecting a commitment to user comfort. A 4.4mm to XLR adapter is provided, ensuring compatibility with a broader range of audio equipment. The inclusion of these accessories enhances the overall value proposition.
Conclusion and Verdict
The Fosi Audio i5 planar magnetic headphones offer a compelling blend of performance, comfort, and value. The massive earcups and generous padding provide unparalleled comfort for extended listening sessions. The warm, expansive sound signature is highly enjoyable, especially for those who appreciate a less analytical presentation.
While the included cable isn't perfect, its durability and features are sufficient, and the overall package is impressive for the price. The i5s easily compete with many higher-priced planar headphones, making them a standout option in their price range. The large size may not appeal to everyone, but for those willing to embrace their scale, the rewards are significant.
Overall, the Fosi Audio i5s are highly recommended for listeners seeking a comfortable, warm-sounding planar headphone with a truly immersive soundstage. The exceptional comfort, impressive sound quality, and value make these a compelling choice, outweighing minor drawbacks such as cable stiffness.
