The pursuit of auditory perfection is a relentless journey, and IO AUDIO has consistently charted a course defined by exceptional design and pure, uncolored sound. Following the resounding success of reference-class models such as the VOLARE and SOGNO, the brand now sets its sights even higher with the CIELO. It's available now for $999. Learn more!
CIELO features an exceptional driver configuration with independent drivers for highs, mids, and bass, carefully optimized for impedance. The number of drivers used is not just for material stacking; it is designed to enhance overall performance.
This model utilize a six-way independent electronic frequency crossover as well as a four-way acoustic nozzle frequency crossover design. All electronic components used in the frequency crossover are high-performance, top-tier selections. Instead of conventional PCB-mounted SMDs, point-to-point hand wiring is employed, augmented by extensive physical frequency crossover techniques. This approach delivers a significantly more natural sonic character.
The new custom high-performance mids driver features a redesigned vibration diaphragm, emphasizing the mid-frequency response. Within the architecture of the 16 balanced armatures, the independent damping system and power distribution have been re-optimized to achieve precise frequency crossover and deliver neutral and accurate mid-range sound.
Incorporates a custom-designed, high-performance balanced armature driver specifically for treble reproduction. The high-frequency module utilizes an equal-length acoustic tube design. This significantly reduces phase discrepancies typically introduced by conventional parallel tubing methods, resulting in a flatter phase response.
The newly designed bass balanced armature has optimized the overall motor design, providing a higher quality of continuous bass output.

The product features an excellent ergonomic design, boasting very small external dimensions and a lightweight fit compared to similar products. Additionally, the optimized weight distribution enhances the overall wearing experience, maintaining the superior comfort of previous models.

CIELO is equipped with a premium stock cable, featuring Teflon insulation and an accurately twisted core. The inner core is wrapped with a soft, skin-friendly medical-grade TPU sheath, then re-twisted to create a cable that is soft, tangle-resistant, and provides good airtightness, preventing oxidation.
The Concentric-Lay Structure effectively minimizes differential mode interference from cables and external electromagnetic sources.
As always, If you have any questions, suggestions, or comments, please feel free to contact us for product details or any other inquiries. You can reach our customer support team through live chat or email us directly at support@shenzhenaudio.com. Additionally, you can easily find us on our social media accounts.
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