Experience the Ultimate Sound with 64 Audio's New U4s IEM

64 Audio, the leader in custom and universal fit in-ear monitors, has announced the release of its latest IEM - U4s. The hybrid quad-driver IEM features the same patented audio technologies like tia and Apex Core developed for flagships at an irresistible price point.

The 64Audio U4s provides an engaging and light sound with impressive sub-bass without compromising mid-bass clarity. It delivers a balanced mid-frequency and pleasant high-mid band performance that suits various music genres and recording styles without causing listener fatigue. The tia high-drive r's airy quality and the extended sound-stage from the Apex Core technology provide a lifelike and immersive listening experience.

64 Audio U4s IEM

The U4s is tuned for a powerful, deep, and enveloping sound without sacrificing clarity, thanks to its dynamic driver. Its frequency response follows proven targets for fidelity and preference, avoiding muddiness and excessive mid-bass. The mids are revealing and contribute to its wide stereo imaging, while the high frequencies strike a balance between neutrality and detail, offering the perfect blend of presence and body.

"We are excited to announce the launch of U4s in India, which delivers our patented audio technologies to music enthusiasts at an affordable price point," said Vitaliy Belonozhko, Founder and Chief Technical Officer at 64 Audio. "The U4s is tuned for a lifelike sound that is engaging and enjoyable across different genres, making it an ideal choice for audiophiles and music professionals."

The 64 Audio U4s features a Slate Blue shell with a unique faceplate inspired by Muonionalusta meteorite fragments. The colour was influenced by beautiful blue-dial timepieces, and the illuminant properties of the shell and faceplate give it a distinct look in different lighting conditions.

The U4s boasts an ergonomic anodised aluminium shell that contains a single dynamic driver, two balanced-armature drivers, and one patented tia driver. Its four-way crossover is further enhanced by the proprietary electronic low-pass filter, reducing low-frequency distortion. The ultra-low impedance premium silver-plated copper cable guarantees uninterrupted signal transmission.

64 Audio's Linear Impedance Design (LID) circuit corrects the non-linear electrical resistance of the multiple drivers sets to restore proper interaction with the source device. It preserves the desired sound signature while staying constant and reliable.

The U4s' patented Tubeless In-Ear Audio (tia) system reduces unwanted resonance and distortion for a transparent and lifelike sound. The Air Pressure Exchange (Apex) Core allows a seamless airflow to the solid anodised aluminium shell that uses a perforated grill on the elegant faceplate to prevent the obstruction of air for effortless reproduction of music and minimal physical fatigue.

The U4s comes with four module variations: mX, m12, m15, and m20. It will be available for pre-order in India from 28th March 2023 at The Audio Store.

For more information about 64 Audio and its products, visit here

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