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【Color & Appearance】
Actual color may vary slightly from the photos due to screen settings, lighting, or production batch differences.
【Size Note】
Please refer to the size chart in the listing images and/or listing description before purchasing, as sizing may differ slightly from your local standards (cm-based measurements).
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[Radius's proud Doble V series] The HP-TWF31 employs a ceramic layered piezo diaphragm manufactured by Taiyo Yuden to reproduce the fine details of the high-resolution audio source's high-frequency range. Even when a minute sound signal is input, the ceramic layer (piezo) vibrates firmly. It vividly reproduces highly detailed sound and a sense of atmosphere.
[DDM Driver System] The driver employs a DDM (Dual Diaphragm Matrix) system, which separates the mid-low frequency and high frequency ranges into two independent diaphragms and arranges them coaxially. The Doble Venture uses a diaphragm with a ceramic piezoelectric element in the tweeter section. This ensures that even when minute sound signals in the ultra-high frequency range, characteristic of high-resolution audio sources, are input, the ceramic piezoelectric vibrates firmly and transmits the signal to the high-rigidity nickel alloy diaphragm, resulting in highly detailed sound reproduction.
[Uses Taiyo Yuden Piezo Diaphragm] To reproduce the fine high frequencies of high-resolution audio sources, a ceramic layer Taiyo Yuden piezoelectric diaphragm is used. Even when a minute sound signal is input, the ceramic layer (piezo) vibrates firmly. This vividly reproduces highly detailed sound and a sense of atmosphere.
[MMCX Replacement Cable Compatible] The earphone heads are compatible with MMCX connector replacement cables, allowing you to enjoy the difference in sound quality by changing to your preferred cable. Even if the cable breaks, you can extend the life of your earphones by simply replacing the cable.
■Type: Dynamic + Piezo (DDM method) ■Driver: Dynamic diaphragm Φ13.0mm + Piezo diaphragm Φ12.0mm ■Frequency response: 10Hz to 40000Hz ■Maximum input: 20mW
[Please Note] To improve the quality of radius products, we perform inspections, firmware updates, and periodic recharging before shipment. Therefore, some products may appear to have been temporarily opened, but they are unused and there are no quality issues. Thank you for your understanding.
DDM Driver with Ceramic Piezo Diaphragm The DDM (Dual Diaphragm Matrix) driver is a completely new driver system unique to Radius that separates the mid-low frequency range and the high frequency range into two independent diaphragms and arranges them coaxially. In addition to the dynamic diaphragm of the woofer section that reproduces the mid-low frequency range, the tweeter section employs a high-performance piezo diaphragm manufactured by Taiyo Yuden, which has excellent transient characteristics in the high frequency range. By arranging these two diaphragms with different characteristics coaxially within a single driver unit and smoothly crossing over the frequency characteristics, advanced acoustic technology has been used to achieve a wide range and dynamic richness of sound at a high level compatible with Hi-Res Audio.
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