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Saraundo Donguri-RAKU Canal Earphones - Dark Ink
Product Details
Discontinued Product
Saraundo Canal Earphones
Donguri-RAKU Sumi Ink
■Overview
This is a rare model that is now discontinued.
Its unique high-frequency characteristics are its selling point, making it an unusual but still very popular item.
■Condition
Operation confirmed. Sound output is fine.
Overall exterior condition is good.
(Please check photos for details)
■Features
- Excellent compatibility with vocals and acoustic music
- Discover new sounds with its unique tuning
■Points
Due to being discontinued, this model is rarely found on the market and will become increasingly difficult to obtain.
This is a great opportunity for those who have been searching for it.
■Other
Please only purchase if you understand that this is a used item.
Immediate purchase is welcome.
Feel free to comment if you have any questions.
■Product Details
The driver is a φ10mm dynamic type with a built-in Acoustic Turbo Circuit. A powerful neodymium magnet with a maximum energy product of 400 kJ/m3 (50 MGOe) is used, and a special CCAW wire is employed for the voice coil. Liquid crystal polymer is used for the newly developed frame and protector. In terms of acoustics, the patented Tornado Equalizer system by Ocharaku is used to suppress resonance around 6kHz caused by blocking the ear canal, thereby improving sound quality.
Furthermore, sound leakage and sound isolation have been improved compared to Ocharaku's Flat4 series. The cable is 1.2m Y-type, and it comes with an L-shaped plug adapter, Comply T-200 L size (M size is attached to the unit), a storage can, and a cleaning cloth.
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.





