For headphones, technical specifications should be comprehensive and clear so that potential buyers can evaluate performance, comfort, and compatibility. The internet suggests a very complete list of such information.
General specifications include the type (over-ear, on-ear, in-ear), the intended application (studio, hi-fi, gaming, travel, etc.), and the design (open, semi-open, closed).
Audio specifications should include the frequency range, impedance, sensitivity/sound pressure level (SPL), and total harmonic distortion (THD), as well as the driver size and driver type.
Connection and cable options should also be listed, such as the connector type (e.g., 3.5 mm jack, 4.4 mm jack), cable length, cable type (detachable, coiled, straight), the quality of the connectors (e.g., gold-plated contacts to improve signal quality), and any included adapters.
Information about construction and wearing comfort should also be provided, such as weight (important for long-term comfort), materials used (e.g., leather, synthetic leather, memory foam padding), and the design of the headband and ear pads (replaceable, breathable).
Special features may also be listed, such as the sound signature, surround sound technologies (e.g., S-Logic Natural Surround Sound), active or passive noise isolation, and information regarding durability.
Details about appearance and design—such as color or a folding mechanism—are also desirable.
What should not be missing are details about the contents of the package, such as cables, adapters, a carrying case, spare ear pads, or similar accessories.
From a sustainability perspective, information about the packaging and its environmental friendliness is also useful.
Finally, warranty information should also be included.
My opinion on this:
We have integrated many of these data points into the descriptive texts, yet we still receive frequent requests for additional technical specifications. Since yesterday, all Signature products therefore include a comprehensive overview of all product information presented in a clear table format. We do not go quite as far as Focal when it comes to technical detail, but nearly all other points from the list above are included in the data.
So that you know exactly why you should buy from us!

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