DD ddHiFi E13P-Pd in-Ear Earphones Copper-Plated Palladium Planar IEM Memory 4.4mm Super Linear Planar Driver HiFi Earphones Suitable for 4.4mm Stock and Other Devices

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• Enjoy High-Fidelity Sound with Effortless Comfort: Delicate details of high-resolution music are perfectly restored, while the ultra-slim and compact body defines the unique charm of Memory 4.4. Despite its lightweight profile, it delivers solid low-frequency depth and transparent high-resolution performance.
• Memory 4.4mm Palladium-Plated Gold Version: Featuring a precision-machined pure copper housing with meticulously controlled wall thickness, this version provides a substantial, steady feel and superior passive noise isolation. Finished with premium palladium plating for a luxurious and durable texture, it strikes the perfect balance between sound quality, stability, and a high-end aesthetic.
• The Memory 4.4 features a revolutionary 13mm ultra-linear, full-range annular planar unit. This driver utilizes a sophisticated double-suspension structure and a high-performance four-magnet array, achieving an electro-acoustic conversion efficiency four times that of similarly sized dynamic drivers and ten times that of conventional 14.5mm planar units. By significantly reducing the non-linear distortion typical of planar drivers, this advanced engineering allows for an expansive and powerful dynamic range even with low-power input, while maintaining exceptionally clear, low-distortion performance during high-intensity output.
• Professional Audiophile-Grade Tuning: Unlike the USB version, the Memory 4.4 has undergone a complete acoustic overhaul. The position and surface area of the front and rear chamber vents have been entirely redesigned. Paired with a custom-shielded cable and a dedicated plug, it offers broader source compatibility and focuses on the purest high-fidelity music playback.
• Included Retro Carrying Case: Inspired by the form factor of classic cassette players, this case blends vintage design language with modern trend colors. Crafted from premium microfiber leather, the interior features dedicated compartments to keep the left and right metal earpieces separated, preventing scratches and wear from contact.