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Custom Unique Melody MASON FuSang CIEM

With 13 drivers including a full range bone conduction driver, the MASON FuSang delivers a rich, natural performance with impressive soundstaging.

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This product is a custom in-ear monitor that requires a scan or impression of your ear made by a professional audiologist or technician.

All product images are for reference only. The final appearance of your CIEM will differ based on your chosen design.

Minidisc offers end to end delivery of custom in-ear monitors including 3D scans, in-store demos, ordering and after sales service. Click here for more details and frequently asked questions about what to expect!


Please contact us BEFORE you get your impressions, and we will give you brand-specific instructions for obtaining impressions.

In partnership with Auricle Digital, Minidisc can now offer in-store impressions using the latest eFit 3D scanning technology. Click here for more details and to make a booking!

Minidisc also recommends NS Audiology for physical impressions - please mention us when making an appointment for a discount on your impressions.

MASON FuSang is configured with 12 Balanced Armature drivers and a dBC-s Dual Sides Bone Conduction System. Unique Melody has employed custom-made, extra large BA drivers, which have significant advantages in soundstage size and distortion control. The bone conduction system contributes to the full range refinement by adding weight and density to the sound. This guarantees that the Mason FuSang can deliver an extraordinarily natural and realistic performance.

MASON FuSang uses the principle of bone conduction technology to transmit a specific frequency range by vibrating the earpieces' inner parts. The sound will bypass the nozzles and deliver music directly to your inner ears via skull contact.

Each earpiece is made of carbon fibre with purple fibre finish. The liquid photosensitive resin is scanned by ultraviolet light to solidify it layer by layer into the designated shape. For the custom version, each piece is built to the customer's ear shape.

Included with the MASON FuSang is the Purple Charm - a custom 8 wire, 24AWG OCC Copper Litz cable. Each wire is enameled independently with high-end black enamel materials that ensure a thicker and more efficient transmission than traditional enamel techniques.

Purple Charm uses a medical level PVC coating to provide the best ergonomic experience.

Driver Conunt (per ear) 13 drivers

4 Bass Drivers + 4 Mids Drivers +

2 Mid-Treble Drivers + 2 Treble Drivers +

Full Range Bone Conduction Driver


Carbon fibre + Purple fiber

Crossover 5-Way Crossover
Frequency Response 20Hz - 35kHz
Sensitivity 116dB / mw (@1kHz)
Impedance 19Ω
Cable UM Purple Charm Custom Cable (8 wire 24AWG OCC Litz/Silica Fiber)
Socket 2-pin Socket / 4-pin Socket

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Shop M3, 465 Victoria Ave
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