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    FIDUE SIRIUS A91 Hybrid Five Drivers IEM Earphones with Replaceable Cable

    • 5-way hybrid IEM with four custom made premium armature drivers and single dynamic driver
    • Excellent divider and 3D acoustic chamber design
    • Full Metal Shells, combined with 4th generation MMCX locking mechanism
    • Braided, 8 core, silver plated, ultra-low internal resistance balanced cable and 4th generation MMCX connector
    • Accurate reference class sound with superior imaging and wide frequency range

    Essential Accessories


      Equipped with a 5-way hybrid driver combination, including four custom-made rremium armature drivers plus one exclusive dynamic driver, the FIDUE SIRIUS A91 IEM offers reference-class sound with outstandingly accurate and detailed imaging.

      As the Flagship model of the FIDUE range, the SIRIUS A91 uses four custom made balanced armature drivers along with a custom built super bass dynamic driver unit. This unique design results in a superbly detailed, accurate and neutral repodruction with clear and enhanced trebles while the custom made dynamic driver adds great warmth in the low frequency spectrum without any distortion. The detachable cable is an 8 core, silver plated, ultra-low Internal resistance audiophile balanced cable, with FIDUE's 4th generation MMCX locking design.

      With beautifully sculpted full metal shells with a striking, finned design. A selection of single, dual-flanged silicone and foam eartips provide a snug fit and excellent noise isolation for unparalleled comfort even in long listening sessions.

      Combining technologies for the pursuit of perfect sound.


      Fidue A91



      • Drivers: Single Exclusive Super Bass 10mm Dynamic Driver / Four Custom-Made Balanced Armature Drivers
      • Frequency Range: 4Hz - 45kHz
      • Impedance: 20Ω
      • Sensitivity: 113dB
      • Max Input Power: 30mW
      • Distortion: <1%
      • Plugs: 2.5mm/3.5mm Balanced and 3.5mm stereo, Rhodium plated
      • Main Cable: 1.3m
      • Conversion cables: 0.18m



      • 5 Way Hybrid IEM, combining four custom made premium armature drivers and an exclusive single dynamic driver
      • Full metal shells and MMCX locking mechanism
      • Braided,8 core, silver plated, ultra-low internal resistance audiophile balanced cable and 4th generation MMCX connector
      • Includes 2.5mm/3.5mm balanced jacks as well as 3.5mm stereo Rhodium plated jack plug
      • Reference class, outstandingly accurate sound and excellent imaging



      • FIDUE SIRIUS A91 Reference Class 5-Way Hybid In Ear Monitor
      • Silicone eartips (XS/S/M/L)
      • Cleaning tool / disassembling tool
      • Comply foam tips (M)
      • Flight adaptor
      • 6.35mm stereo jack adaptor
      • Luxury aluminium carrying case
      1. BrandFidue
      2. Cable LengthLess than 1.5m
      3. Cable Length Text1.3m
      4. ColourSilver
      5. Connectivity TechnologyWired
      6. Connector AngleStraight
      7. Connector TypeHeadphones (3.5 mm stereo jack)
      8. Detachable CableYes
      9. Driver Size10mm
      10. Driver TypeHybrid
      11. Frequency Response9Hz - 31kHz
      12. Headphones TechnologyHybrid
      13. Headphones TypeHeadphones - binaural
      14. Headphone Fit TypeIn-Ear
      15. Impedance11Ω
      16. Manufacturer Warranty1 Year
      17. Number of driversFive Drivers
      18. GTIN6923139419106
      19. Part NumberA91
      20. Product TypeEarphones
      21. Recommended useDigital audio player;Hi-Fi;Portable audio system
      22. Feature keywordComfortable;Ear Canal;Hi-Fi;IEM;In Ear;Monitor;Noise Isolation;Professional;Studio
      23. Sensitivity104dB
      24. Sound Output ModeStereo
      25. Headphone ApplicationTravel
      26. Headphones Form FactorIn-Ear
      27. Included AccessoriesSilicone eartips (XS/S/M/L), Comply foam tips (M), Flight adaptor, 6.35mm stereo jack adaptor, Luxury aluminium carrying case, Cleaning Tool
      28. Product WeightMale
      29. Sound Output ModeStereo
      30. Total Harmonic Distortion<1%