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Fidue Sirius MK2

Fidue Sirius MK2 - Sirius MK2

Fidue Sirius MK2 4BA+Dynamic Driver Hybrid MMCX HiFi Audiophile In-ear Earphone IEMs


Full metal housing

High-precision cutting and careful polishing, perfectly natural.

Independent cavity design

Guarantee the best acoustic space for each driver.

Fine full-band crossover adjustment

Combine three drivers with different characteristics into one.

Imported clear balanced armature driver

Ultra-clear music resolution makes musical instruments and vocal leaped into sight.

Special grapheme dynamic driver

At the same time, it has both flexibility and rigidity, making the music atmosphere more energizing.

New cavity design

Greatly optimized compatibility for wearing.

Selected 8-core single crystal copper and silver mixed wire

It is prepared by adopting a unique proportion mixture, with clear details and rich dynamic response.

Provide convenient and complete balanced headphone jacks for different users and various types of balanced output devices.

4th generation MMCX locking design

The special stainless steel locking structure makes the connection of MMCX more reliable and durable.


Model: FIDUE Sirius MK2

Driver driver: 1 Graphene dynamic driver, 4 custom balanced armature

Frequency response: 4-46kHz

Sensitivity: 113dB

Impedance: 20ohm

THD: 1%

Input power: 30mW

Cable length: 1.3m

8 core single crystal copper silver-plated audiophile cable

2.5mm 4-pole balanced cable

2.5mm 4-pole balanced to 3.5mm single-end adapter cable

2.5mm 4-pole balanced to 4.4mm 5-pole balanced adapter cable

2.5mm 4-pole balanced to 3.5mm Pro 4-pole balanced adapter cable


FIDUE Sirius MK2

5 pairs of Fianl E series single lay silicon eartips

1 pair of Comply T500 memory foam eartips

1 set of Remove, cleaning tool

1 aviation stereo plug

3.5mm to 6.3mm stereo adapter

Store box


        Will be shipped via DHL , EMS or FedEx such express service , If you have any question about the shipping ways , please feel free to contact us .

        Pls leave us your telephone number when you pay .so we can ship out your item in the first time .

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        Free Shipping

        All listed items will be shipped through Registered Airmail with tracking number if there is no extra shipping option or shipping description at the product page.

        Economy shipping: Will be shipped without tracking number.(because of the covid-19 affects, economy airmail parcel is easy to lose, pls place the order by choosing registered airmail, or you purchase one more product , we can send together via registered airmail)

        Registered Airmail : Will be shipped via such as Hong Kong post , Singapore Post, you can leave us a message if you have any requirements about the shipping method .

        We can ship the parcel to Canada and Europe countries via tax-inclusive shipping method with extra charge, pls leave us a message if needed.

        Express service: Will be shipped via DHL/EMS/UPS/FedEx,Canada and Europe countries will be shipped via tax-inclusive shipping method for free.

        • Views: 6699
        • Brand: Fidue
        • Product Code: Sirius MK2
        • Availability: In Stock
        • $969.00

        Tags: Fidue Sirius MK2, 4BA, 5Drivers, Hybrid, mmcx